Manual For The 60694 CAN & OBD II Professional Scan Tool
User Manual: Manual for the 60694 CAN & OBD II Professional Scan Tool Professional OBDII Scan Tool
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Page Count: 80
Read this material before using this product.
Failure to do so can result in serious injury.
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improvements, actual product may differ slightly from the product
described herein. Tools required for assembly and service may not be included.
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and undamaged. If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible.
Save This Manual Keep this manual for the safety warnings and precautions, assembly, operating,
inspection, maintenance and cleaning procedures. Write the product’s serial number in the back of the manual
near the assembly diagram (or month and year of purchase if product has no number).
Keep this manual and the receipt in a safe and dry place for future reference.
Owner’s Manual & Safety Instructions
Visit our website at: http://www.harborfreight.com
Email our technical support at: productsupport@harborfreight.com
ITEM 60694
OBD II & CAN
SCAN TOOL
OBD II & CAN
SCAN TOOL
PROFESSIONAL
REV 15f
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Table of Contents
1. Safety Precautions And Warnings .......................3
2. General Information ..............................................4
3. Using the Scan Tool .............................................13
4. Review Data ..........................................................31
5. OBD II Diagnostics ...............................................33
6. Ready Test .............................................................73
7. Print Data...............................................................78
8. Limited 90 Day Warranty ......................................80
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1) this
device may not cause harmful interference, and (2) this
device must accept any interference received, including
interference that may cause undesired operation.
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1. Safety Precautions And Warnings
To prevent personal injury or damage to vehicles and/
or the Scan Tool, read this instruction manual first
and observe the following safety precautions, at
a minimum, whenever working on a vehicle:
1. Always perform automotive testing in a safe environment.
2. Wear safety eye protection that meets ANSI standards.
3. Keep clothing, hair, hands, tools, test equipment,
etc. away from all moving or hot engine parts.
4. Operate the vehicle in a well ventilated work
area: Exhaust gases are poisonous.
5. Put blocks in front of the drive wheels and never
leave the vehicle unattended while running tests.
6. Use extreme caution when working around the
ignition coil, distributor cap, ignition wires and
spark plugs. These components create hazardous
voltages when the engine is running.
7. Put the transmission in PARK (for automatic
transmission) or NEUTRAL (for manual transmission)
and make sure the parking brake is engaged.
8. Keep a fire extinguisher suitable for gasoline/
chemical/electrical fires nearby.
9. Don't connect or disconnect any test equipment
while the ignition is on or the engine is running.
10. Keep the Scan Tool dry, clean, free from oil, water or
grease. Use a mild detergent on a clean cloth to clean
the outside of the Scan Tool, when necessary.
11. WARNING: This product contains or, when used, produces
a chemical known to the State of California to cause
cancer and birth defects or other reproductive harm.
(California Health & Safety Code § 25249.5, et seq.)
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2. General Information
2.1 On-Board Diagnostics (OBD) II
The first generation of On-Board Diagnostics (called OBDI)
was developed by the California Air Resources Board
(ARB) and implemented in 1988 to monitor some of the
emission control components on vehicles. As technology
evolved and the desire to improve the On-Board Diagnostic
system increased, a new generation of On-Board Diagnostic
system was developed. This second generation of On-
Board Diagnostic regulations is called "OBD II".
The OBD II system is designed to monitor emission control systems
and key engine components by performing either continuous or
periodic tests of specific components and vehicle conditions. When
a problem is detected, the OBD II system turns on a warning lamp
(MIL) on the vehicle instrument panel to alert the driver typically
by the phrase of “Check Engine” or “Service Engine Soon”.
The system will also store important information about the
detected malfunction so that a technician can accurately
find and fix the problem. Here are three examples:
1. Whether the Malfunction Indicator Light
(MIL) is commanded 'on' or 'off';
2. Which, if any, Diagnostic Trouble
Codes (DTCs) are stored;
3. Readiness Monitor status.
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2.2 Diagnostic Trouble Codes (DTCs)
OBD II Diagnostic Trouble Codes are codes that are stored
by the on-board computer diagnostic system in response to a
problem found in the vehicle. These codes identify a particular
problem area and are intended to provide you with a guide
as to where a fault might be occurring within a vehicle.
These codes provide information as to where the DTC originated
and the operating conditions that caused it to set. See chart below:
Identifying specific
malfunctioning
section of the
systems
Systems
B=Body
C=Chassis
P=Powertrain
U=Network
Code Type
Generic (SAE):
P0, P2, P34-P39
B0, B3
C0, C3
U0, U3.
Manufacturer Specific:
P1, P30-p33
B1, B2
C1, C2
U1, U2
Sub-systems
1= Fuel and Air Metering
2= Fuel and Air Metering
3= Ignition System or Engine Misfire
4= Auxiliary Emission Controls
5= Vehicle Speed Control and Idle
Controls
6= Computer Output Circuits
7= Transmission Controls
8= Transmission Controls
DTC Example
P 0 2 0 2
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2.3 Location of the Data Link Connector (DLC)
The DLC (Data Link Connector or Diagnostic Link Connector)
is the standardized 16-cavity connector where diagnostic Scan
Tools interface with the vehicle's on-board computer. The DLC
is usually located 12 inches from the center of the instrument
panel (dash), under or around the driver's side for most vehicles.
If Data Link Connector is not located under dashboard, a
label should be there telling location. For some Asian and
European vehicles, the DLC is located behind the ashtray and
the ashtray must be removed to access the connector.
2.4 OBD II Readiness Monitors
An important part of a vehicle's OBD II system are the Readiness
Monitors, which are indicators used to find out if all of the emissions
components have been evaluated by the OBD II system. They
are running periodic tests on specific systems and components
to ensure that they are performing within allowable limits.
Currently, there are eleven OBD II Readiness Monitors (or
I/M Monitors) defined by the U.S. Environmental Protection
Agency (EPA). Not all monitors are supported by all vehicles
and the exact number of monitors in any vehicle depends on
the motor vehicle manufacturer's emissions control strategy.
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Continuous Monitors
Some of the vehicle components or systems are continuously
tested by the vehicle's OBD II system, while others are tested
only under specific vehicle operating conditions. The continuously
monitored components listed below are always ready:
1. Misfire
2. Fuel System
3. Comprehensive Components (CCM)
Once the vehicle is running, the OBD II system is continuously
checking the above components, monitoring key engine sensors,
watching for engine misfire, and monitoring fuel demands.
Non-Continuous Monitors
Unlike the continuous monitors, many emissions and engine
system components require the vehicle to be operated under
specific conditions before the monitor is ready. These monitors
are termed non-continuous monitors. For different ignition
type engines, the available monitors are different too.
The Following Monitors Are To Be Used For
Spark Ignition (Gasoline) Engines Only:
1. EGR System
2. O2 Sensors
3. Catalyst
4. Evaporative System
5. O2 Sensor Heater
6. Secondary Air
7. Heated Catalyst
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The Following Monitors Are To Be Used For
Compression (Diesel) Ignition Engines Only:
8. EGR System
9. NMHC Catalyst
10. NOx Aftertreatment
11. Boost Pressure System
12. Exhaust Gas Sensor
13. PM Filter
2.5 OBD II Monitor Readiness Status
OBD II systems must indicate whether or not the vehicle's PCM
monitor system has completed testing on each component.
Components that have been tested will be reported as “Ready”, or
“Complete”, meaning they have been tested by the OBD II system.
The purpose of recording readiness status is to allow
inspectors to determine if the vehicle's OBD II system
has tested all the components and/or systems.
The power-train control module (PCM) sets a monitor to
“Ready” or “Complete” after an appropriate drive cycle has been
performed. The drive cycle that enables a monitor and sets
readiness codes to “Ready” varies for each individual monitor.
Once a monitor is set as “Ready” or “Complete”, it will remain in
this state. A number of factors, including erasing of Diagnostic
Trouble Codes (DTCs) with a Scan Tool or a disconnected battery,
can result in Readiness Monitors being set to “Not Ready”.
Since the three continuous monitors are constantly evaluating, they
will be reported as “Ready” all of the time. If testing of a particular
supported non-continuous monitor has not been completed, the
monitor status will be reported as “Not Complete” or “Not Ready.”
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In order for the OBD monitor system to become ready, the vehicle
should be driven under a variety of normal operating conditions.
These operating conditions may include a mix of highway driving
and stop and go, city type driving, and at least one overnight-off
period. For specific information on getting your vehicle's OBD
monitor system ready, please consult your vehicle Owner's Manual.
2.6 OBD II Definitions
Power-train Control Module (PCM) -- OBD II terminology for
the on-board computer that controls engine and drive train.
Malfunction Indicator Light (MIL) -- Malfunction Indicator Light
(Service Engine Soon, Check Engine) is a term used for the light
on the instrument panel. It is to alert the driver and/or the repair
technician that there is a problem with one or more of vehicle's
systems and may cause emissions to exceed federal standards. If
the MIL illuminates with a steady light, it indicates that a problem
has been detected and the vehicle should be serviced as soon
as possible. Under certain conditions, the dashboard light will
blink or flash. This indicates a severe problem and flashing is
intended to discourage vehicle operation. The vehicle onboard
diagnostic system can not turn the MIL off until necessary
repairs are completed or the condition no longer exists.
DTC -- Diagnostic Trouble Code that identifies which section
of the emission control system has malfunctioned.
Enabling Criteria -- Also termed Enabling Conditions. These
are the vehicle-specific events or conditions that must occur
within the engine before the various monitors will set or run.
Some monitors require the vehicle to follow a prescribed “drive
cycle” routine as part of the enabling criteria. Drive cycles vary
among vehicles and for each monitor in any particular vehicle.
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OBD II Drive Cycle -- A specific mode of vehicle operation that
provides conditions required to set all the Readiness Monitors
applicable to the vehicle to the “Ready” condition. The purpose
of completing an OBD II drive cycle is to force the vehicle to run
its onboard diagnostics. Some form of a drive cycle needs to be
performed after DTCs have been erased from the PCM's memory
or after the battery has been disconnected. Running through a
vehicle's complete drive cycle will “set” the Readiness Monitors
so that future faults can be detected. Drive cycles vary depending
on the vehicle and the monitor that needs to be reset. For vehicle
specific drive cycle, consult the vehicle's Owner's Manual.
Freeze Frame Data -- When an emissions related fault occurs, the
OBD II system not only sets a code but also records a snapshot of
the vehicle operating parameters to help in identifying the problem.
This set of values is referred to as Freeze Frame Data and may
include important engine parameters such as engine RPM, vehicle
speed, air flow, engine load, fuel pressure, fuel trim value, engine
coolant temperature, ignition timing advance, or closed loop status.
2.7 OBD II Modes of Operation
Here is a basic introduction to the OBD II communication protocol.
Mode Byte: The first byte in the stream is the mode number.
There are 10 modes for diagnostic requests. The first
byte in the response data bytes is this same number plus
64. For example, a mode 1 request would have the first
data byte = 1, and the response would have the first data
byte = 65. Here is a brief description of the modes:
Mode $01 – Identifies the Powertrain information and
shows current data available to the Scan Tool. This data
includes: DTC set, status of on-board tests, and vehicle data
such as engine RPM, temperatures, ignition advance, speed,
air flow rates, and closed loop status for fuel system.
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Mode $02 – Displays Freeze Frame Data. Same data
as in mode 1, but it was captured and stored when a
malfunction occurred and a DTC was set. Some of the
PIDs for Mode $01 are not implemented in this mode.
Mode $03 – Displays the type of powertrain or emission
related DTCs stored by a 5 digit code identifying the faults.
There may be more than one response message if there are
more trouble codes than will fit in the data bytes of the response
message, or if there are more than one ECU computer responding.
Mode $04 – Used to clear DTCs and Freeze Frame
Data. This clears all DTCs that may be set including
freeze frame data and Readiness Monitors.
Mode $05 – Oxygen Sensor Test Results. This mode
displays the oxygen sensor monitor screen and the
test results gathered about the oxygen sensor.
There are ten numbers available for diagnostics:
1. $01 Rich-to-Lean O2 sensor threshold voltage.
2. $02 Lean-to-Rich O2 sensor threshold voltage.
3. $03 Low sensor voltage threshold for
switch time measurement.
4. $04 High sensor voltage threshold for
switch time measurement.
5. $05 Rich-to-Lean switch time in ms.
6. $06 Lean-to-Rich switch time in ms.
7. $07 Minimum voltage for test.
8. $08 Maximum voltage for test.
9. $09 Time between voltage transitions in ms
10. $10 Sensor Periods
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Mode $06 – Non-Continuously Monitored Systems test
results. There are typically a minimum value, a maximum value,
and a current value for each non-continuous monitor. This data is
optional, and it is defined by a given vehicle maker if it's used.
Mode $07 – Request for DTCs (pending) from Continuously
Monitored Systems after a single driving cycle has
been performed to determine if repair has fixed a
problem. This is used by service technicians to verify repair
was performed properly and after clearing DTCs.
Mode $08 – This special Control Mode requests control of
the on-board system, test, or component bi-directionally
(where applicable). This mode is manufacturer specific.
Mode $09 – Reports vehicle information. This
information includes vehicle VIN number and calibration
information stored in the vehicle ECUs.
Mode $0A – Request Emission-Related Diagnostic Trouble
Codes with Permanent Status. This mode is required for all
emissions-related DTCs. The presence of permanent DTCs at
an inspection without the MIL illuminated is an indication that a
proper repair was not verified by the on-board monitoring system.
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3. Using the Scan Tool
3.1 Tool Description
1
2
6
11
10
12
13
5
4
3
7
8
9
14
1. OBD II Connector – Connects the Scan Tool to
the vehicle's Data Link Connector (DLC).
2. LCD Display – Displays menus and test results.
3. GREEN LED – Indicates that engine systems are
running normally (The number of monitors on the vehicle
which are active and performing their diagnostic testing
is in the allowed limit, and no DTCs are present).
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4. YELLOW LED – Indicates there is a possible problem.
A “Pending” DTC is present and/or some of the vehicle's
emission monitors have not run their diagnostic testing.
5. RED LED – Indicates there is a problem in one or
more of the vehicle's systems. The RED LED is also
used to show that DTCs are present. DTCs are shown
on the Scan Tool's display. In this case, the MIL on
the vehicle's instrument panel will light steady on.
6. One-Click I/M Readiness Key – Quick-checks
State Emissions readiness and drive cycle verification.
7. ESC Button – Cancels a selection (or action)
from a menu or returns to the previous screen.
8. Left Scroll Button – When looking up DTC definitions,
moves to previous character and views additional information
on previous screens if DTC definition covers more than
one screen. Deselects all marked PID data when viewing
or recording customized live data list; views previous
frames of recorded data when playing back live data.
It is also used to update DTC library when pressed.
9. Help Button – Provides help information
and Code Breaker function.
10. Up Scroll Button – Moves up through menu and
submenu items in menu mode. When more than one
screen of data is retrieved, moves up through the current
screen to the previous screens for additional data.
11. OK Button – Confirms a selection
(or action) from a menu.
12. Right Scroll Button – When looking up DTC
definitions, moves to next character to view additional
information on next screens if DTC definition covers
more than one screen. Selects/deselects PID data when
viewing or recording customized live data list, and views
next frames of data when playing back live data.
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13. Down Scroll Button – Moves down through menu
and submenu items in menu mode. When more than
one screen of data is retrieved, moves down through
the current screen to next screens for additional data.
14. USB Connector – Connects the Scan Tool to
the PC for printing and upgrading software.
3.2 Specifications
Display: TFT color display (320 x 240 dpi)
Operating Temperature: 0 to 60°C (32 to 140°F)
Storage Temperature: -20 to 70°C (-4 to 158°F)
External Power: 8.0 to 18.0 V power provided via vehicle battery
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3.3 Accessories Included
1. OBD II Cable -- Provides power to tool and
communicates between tool and vehicle.
2. USB Cable -- Used to upgrade the Scan
Tool, and to print retrieved data.
3.4 Navigation Characters
1. “$” -- Identifies the control module number
from which data is retrieved.
2. “?” -- Indicates help or Code Breaker information is available.
3. “G” -- Indicates graphic viewing is available.
3.5 Keypad
No solvents such as alcohol are allowed to clean the keypad
or display. Use a mild nonabrasive detergent and a soft cotton
cloth. Do not soak the keypad as the keypad is not waterproof.
3.6 Power
The Scan Tool is powered via the vehicle Data Link Connector
(DLC). Just follow the steps below to turn on the Scan Tool:
1. Connect the OBD II Cable to Scan Tool.
2. Find DLC on vehicle.
• A plastic DLC cover may be found on some vehicles and
will need to be removed before plugging the OBD II cable.
3. Plug OBD II cable to the vehicle's DLC.
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3.7 DTC Lookup
The DTC Lookup function is used to search for definitions of DTCs
stored in the DTC library and for Code Breaker information.
1. From Main Screen (See Figure 3.1), use the Up/
Down scroll button and Left/Right scroll button to
select DTC Lookup and press the OK button.
Figure 3.1
2. From DTC Lookup screen, use the Left/Right button to move
to the desired character, use the Up/Down button to change
selected digit/character and press the OK button to confirm.
DTC Lookup
P 0 0 0 1
Left
Right
Change digit
OK
Confirm
ESC Exit
［ ］［ ］- Change Digit
Figure 3.2
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3. View the DTC definition on screen. When the
DTC definition covers more than one screen, use
the Left/Right button or Up/Down button to view
additional information on previous/next screens.
a. For manufacturer specific codes, you need to select a vehicle
make on an additional screen to look for DTC definitions.
b. If definition could not be found (SAE or
Manufacturer Specific), the Scan Tool displays
“Please refer to vehicle's User's Manual!”
c. For Code Breaker information, you need
to press the “?” Help button.
d. In the Code Breaker screen, there are three options
to assist user to understand DTC more:
• System Description to read detailed description of DTCs
• Quick Check to read detailed description of DTCs
• General Notes to view helpful repair information of DTCs.
4. To view previous or next DTC in the built-in
DTC library, use the Left/Right button.
5. To enter another DTC, press the ESC
button to return to previous screen.
6. To exit to Main Screen, press the ESC button.
3.8 System Setup
The Scan Tool allows you to make the
following adjustments and settings:
1. Language: Selects the desired language.
2. Configure Monitors: Sets the monitors you want to test.
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3. Unit of measure: Sets the unit of
measure to English or Metric.
4. Key Beep Set: Turns on/off beep.
5. Status Beep Set: Turns on/off the
I/M Readiness Status beep.
6. Tool Self-test: Checks if the LCD display, LED
lamps and keyboard are working normally.
7. Update Mode: Accesses the Update Mode.
• Settings of the unit will remain until change
to the existing settings is made.
To Enter the Setup Menu
From the Main Screen (See Figure 3.1) Use the Up/Down scroll
button and Left/Right scroll button to select Setup, and press
the OK button. Follow the instructions to make adjustments
and settings as described in the above setup options.
System Setup 1/7
Language
Configure Monitors ?
Unit of Measure
Key Beep Set
Status Beep Set
Tool Self-test
Figure 3.3
Language Setup
•English is the default language.
1. From System Setup screen, use the Up/Down scroll
button to select Language, and press the OK button.
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2. Use the Up/Down scroll button to select the desired
language and press the OK button to save your
selection and return to previous screen.
Language 1/3
English
Français ?
Español
Figure 3.4
Configure Monitors
From System Setup screen, use the Up/Down scroll button
to select Configure Monitors, and press the OK button.
In this menu, you can configure the monitors required to test spark
ignition and compression ignition, the number of monitors to pass
diagnosis, and restore the default settings. (See Figure 3.5)
Configure Monitors 1/4
Spark IGN Required Monitors
Compression IGN Required Monitors
Allowed INC Monitors ?
Reset Factory Default
Figure 3.5
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Spark IGN (Gasoline) Required Monitors
From Configure Monitors screen, use the Up/Down scroll button
to select Spark IGN Required Monitors, and press the OK button.
The monitors for spark ignition engines show as below:
Spark IGN Required Monitors
√ MIS √ EVAP
√ FUEL √ AIR
√ CCM √ O2S
√ CAT √ HTR
√
HCAT
√
EGR
Compression IGN (Diesel) Required Monitors
From Configure Monitors screen, use the Up/
Down scroll button to select Compression IGN
Required Monitors, and press the OK button.
The monitors for compression ignition engines show as below:
Compression IGN Required Monitors
√ MIS √ BP
√ FUEL √ EGS
√ CCM √ PM
√ HCCAT √ EGR
√ NCAT
Allowed INC Monitors
From Configure Monitors screen, use the Up/Down scroll button
to select Allowed INC Monitors, and press the OK button.
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Emissions Tests vary depending on the geographic or regional
area in which the vehicle is registered. So the Scan Tool provides
a more flexible way to meet different standards, which allows
the user to select 0, 1, 2, 3 and 'not complete' monitors in test.
Reset Factory Default
From Configure Monitors screen, use the Up/Down scroll button
to select Reset Factory Default, and press the OK button.
It will restore the default configuration settings in the Configure
Monitors menu, and delete any customized settings.
In this case, Spark IGN Required Monitors and Compression
IGN Required Monitors will include all the available
monitors, and the Allowed INC Monitors will be set to 1.
The tool will display a message asking for confirmation.
Select Yes to proceed and No to exit without change.
Unit of Measure
•Metric is the default measurement unit.
1. From System Setup screen, use the Up/Down scroll button
to select Unit of Measure and press the OK button.
2. From Unit of Measure screen, use the Up/Down scroll button
to select the desired unit of measurement. (See Figure 3.6)
3. Press the OK button to save your selection
and return to previous menu.
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Unit of Measure 1/2
English
Metric ?
Figure 3.6
Key Beep Set
This function allows you to turn on/off the
built-in speaker for key pressing.
•The default setting is Beep On.
1. From System Setup screen, use the Up/Down scroll
button to select Key Beep Set and press the OK button.
2. From Key Beep Set menu, use the Up/Down scroll button
to select Beep ON or Beep OFF. (See Figure 3.7)
3. Press the OK button to save your selection
and return to previous menu.
Key Beep Set 1/2
Beep ON
Beep OFF ?
Figure 3.7
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Status Beep Set
The Status Beep Set allows you to turn on/off the built-in
speaker for the LEDs in diagnostic testing. Different audio tones
correspond to different LED lamps. This function is invaluable when
working in areas where LED illumination alone is not sufficient.
•The default setting is Beep On.
1. From System Setup screen, use the Up/Down scroll button
to select Status Beep Set and press the OK button.
2. From Status Beep Set menu, use the Up/Down scroll button
to select Beep ON or Beep OFF to turn on/off the beep.
3. Press the OK button to save your selection
and return to previous menu.
Status Beep Set 1/2
Beep ON
Beep OFF ?
Figure 3.8
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Tool Self-Test
The Tool Self-Test function checks if the LCD display,
LED lamps and keyboard are working properly.
A. Display test
The Display Test function checks if the
LCD display is working normally.
1. From System Setup screen, use the Up/Down scroll
button to select Tool Self-test, and press the OK button.
2. Select Display Test from Tool Self-test menu
and press the OK button to start test.
3. Look for missing spots in the red, green,
blue, black and white LCD display.
4. When completed, press the ESC button to exit.
to start test. (Figure 3.9 )
Tool Self-test 1/3
Display Test
Keyboard Test
LED Test ?
Figure 3.9
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B. Keyboard Test
The Keyboard Test function verifies if the
keys are functioning properly.
1. Use the Up/Down scroll button to select Keyboard Test from
the Tool Self-test menu, and then press the OK button.
2. Press any key to start test. When you press a key, the key
name should be observed on the display. If the key name
does not show up, then the key is not functioning properly.
3. When completed, double press the ESC button to exit.
Keyboard Test
Press any key to
start test
key:
Double [ESC] to return
Figure 3.10
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C. LED Test
The LED Test function verifies if the I/M Readiness
LED lamps are functioning properly.
1. Use the Up/Down scroll button to select LED Test from
the Tool Self-test menu, and then press the OK button.
2. In the LED Test menu, use the Up/Down scroll button to
select one or more LED lamps to check. The LED should
turn on or off according to the selected commands.
3. When completed, press the ESC button to exit.
LED Test 1/3
RED LED ON
YELLOW LED ON
GREEN LED ON
Figure 3.11
Update Mode
This function allows you to update the Scan Tool
software and DTC library through a computer.
• Visit www.HarborFreight.com to
update the Scan Tool software.
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3.9 About
The About function allows viewing of some important information
such as serial number and software version number of the scanner.
1. From Main Screen (See Figure 3.1), use the Up/Down
scroll button and Left/Right scroll button to select About and
press the OK button; wait for the About screen to appear.
2. View tool information on screen.
3.10 Vehicle Coverage
The 60694 Scanner is specially designed to work with all
OBD II compliant vehicles, including those equipped with
next-generation protocol -- Control Area Network (CAN). It is
required by EPA that all 1996 and newer vehicles (cars and
light trucks) sold in the United States must be OBD II compliant
and this includes all Domestic, Asian and European vehicles.
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A small number of 1994 and 1995 model year gasoline vehicles
are OBD II compliant. To verify if a 1994 or 1995 vehicle is OBD
II compliant, check the Vehicle Emissions Control Information
(VECI) Label which is located under the hood or by the radiator
of most vehicles. If the vehicle is OBD II compliant, the label
will designate “OBD II Certified”. Additionally, Government
regulations mandate that all OBD II compliant vehicles must
have a “common” sixteen-pin Data Link Connector (DLC).
For your vehicle to be OBD II compliant it must have
a 16-pin DLC (Data Link Connector) under the dash
and the Vehicle Emission Control Information Label
must state that the vehicle is OBD II compliant.
3.11 Product Troubleshooting
This part describes problems that you may
encounter while using the Scan Tool.
Vehicle Linking Error
A communication error occurs if the Scan Tool fails to
communicate with the vehicle's ECU (Engine Control Unit).
You need to do the following to identify the error:
1. Verify that the ignition is ON.
2. Check if the Scan Tool's OBD II connector is
securely connected to the vehicle's DLC.
3. Verify that the vehicle is OBD II compliant.
4. Turn the ignition off and wait for about 10 seconds.
Turn the ignition back to on and continue the testing.
5. Verify the control module is not defective.
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Operating Error
If the Scan Tool freezes, an exception occurs or the vehicle's
ECU (Engine Control Unit) is too slow to respond to
requests. You need to do the following to reset the tool:
1. Reset the Scan Tool.
2. Turn the ignition off and wait for about 10 seconds.
Turn the ignition back to on and continue the testing.
Scan Tool doesn’t power up
If the Scan Tool won't power up or operates incorrectly in
any other way, you need to do the following to check up:
1. Check if the Scan Tool's OBD II connector is
securely connected to the vehicle's DLC.
2. Check if the DLC pins are bent or broken.
Clean the DLC pins if necessary.
3. Check vehicle battery to make sure it is
still good with at least 8.0 volts.
LED Lamps Not Working
If you turn on the Scan Tool and perform the I/M Readiness
test but the LED lamps are not working, there may be several
possible causes, including bad connection and ignition off.
In this case, follow these steps to check the Scan Tool:
1. Make sure the OBD II cable is connected to the DLC securely.
2. Verify the ignition key is in the KOER position.
3. Run the LED Test in the System Setup
menu. If the Scan Tool does not pass this test,
there is a problem with the LED lamp.
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4. Review Data
The Review Data function allows viewing of data
from the last test recorded by the Scan Tool.
1. Use the Up/Down scroll button and Left/Right scroll
button to select Review Data from Main Screen,
and press the OK button. (See Figure 3.1)
2. Use the Up/Down scroll button to select the desired item
from Review Data menu, and press the OK button.
Review Data 1/6
Live Data
Pending Codes
View Freeze Frame
I/M Readiness
On-Board Mon. Test
Modules Present
Figure 4.1
If no data from a previously tested vehicle is
recorded, only Modules Present data containing
module ID and protocol type can be reviewed.
Figure 4.2
Review Data 1/1
Modules Present
Figure 4.2
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Diagnostics results can be reviewed from this list only
when any trouble code is detected in previous tests.
3. Review selected data on screen.
1/1
C1201
Engine Control
System Malfunction ?
Figure 4.3
NOTE: If there is no data stored for selected item,
a “Not Supported" or "Stored No Data!”
message shows on the screen.
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5. OBD II Diagnostics
When more than one vehicle control module is detected by the
Scan Tool, you will be prompted to select the module where the data
may be retrieved. The most often to be selected are the Powertrain
Control Module (PCM) and Transmission Control Module (TCM).
CAUTION: Don’t connect or disconnect any test
equipment with ignition on or engine running.
1. Turn the ignition off.
2. Locate the vehicle's DLC.
3. Plug the Scan Tool cable connector into the vehicle's DLC.
4. Turn the ignition on. Engine can be off or running.
5. Turn on the Scan Tool. Use the Up/Down scroll button to
select OBDII/EOBD from the Main Screen. (See Figure 3.1)
6. Press the OK button to wait for the Menu to appear. A
sequence of messages displaying the OBD II protocols will be
observed on the display until the vehicle protocol is detected.
• If the Scan Tool fails to communicate with the vehicle’s
ECU (Engine Control Unit) more than three times, a
“LINKING ERROR!” message shows up on the display.
a. Verify that the ignition is ON
b. Check if the Scan Tool's OBD II connector is
securely connected to the vehicle's DLC
c. Verify that the vehicle is OBD II compliant
d. Turn the ignition off and wait for about 10 seconds. Turn the
ignition back to on and repeat the procedure from step 5.
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• If the “LINKING ERROR!” message does not go away,
have the tool inspected by a qualified technician.
7. You will be prompted to erase previously stored data.
• Review previously stored data
thoroughly before erasing.
Diagnostic
Erase previously
stored data to save
data from this test?
YES NO
Figure 5.1
• If no data is stored in the Scan Tool,
above prompt will not show up.
8. If you wish to erase the data, press the OK button; if you do
not want to erase the data, press ESC to exit or use Left/
Right button to select NO and press OK to continue.
9. View a summary of the System Status. Wait
a few seconds or press any key for Diagnostic
Menu (See Figure 5.4) to come up.
System Status
Codes Found 6
Ignition Type Spark
Monitors N/A 3
Monitors OK 3
Monitors INC 5
Figure 5.2
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• If more than one module is detected, you will be
prompted to select a module before testing.
Control Module 1/2
Engine
Module $A4 ?
Figure 5.3
• Use the Up/Down scroll button to select
a module and press the OK button.
5.1 Reading Codes
• Reading Codes can be done with the key on engine off
(KOEO) or with the key on engine running (KOER).
• Stored Codes are also known as “hard codes”, which are
fault codes, or trouble codes that have been stored in the
vehicle computer memory because the faults have reoccurred
for more than a specified amount of key-cycles. These codes
will cause the control module to illuminate the malfunction
indicator light (MIL) when an emission-related fault occurs.
• Pending Codes are also referred to as “maturing codes”
or “continuous monitor codes”. They indicate problems
that the control module has detected during the current
or last driving cycle but are not considered serious yet.
Pending Codes will not turn on the malfunction indicator
light (MIL). If the fault does not occur within a certain
number of warm-up cycles, the code clears from memory.
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• Permanent Codes are DTCs that are "confirmed" and
are retained in the non-volatile memory of the computer
until the appropriate monitor for each DTC has determined
that the malfunction is no longer present and is not
commanding the MIL on. Permanent DTCs are stored
in non-volatile memory and cannot be erased by any
diagnostic services or by disconnecting power to ECU.
1. Use Up/Down scroll button to select Read Codes
from Diagnostic Menu and press OK button.
Diagnostic Menu 1/7
Read Codes
Erase Codes
Live Data ?
View Freeze Frame
I/M Readiness
Vehicle Info
Figure 5.4
2. Use the Up/Down scroll button to select Stored
Codes or Pending Codes from the Read
Codes menu and press the OK button.
Read Codes 1/3
Stored Codes
Pending Codes
Permanent Codes ?
Figure 5.5
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If there is not a DTC, the display indicates “No (pending)
codes are stored in the module!” Wait a few seconds
or press any key to return to previous screen.
NOTE: The Permanent Codes function is available only
for vehicles supporting the CAN protocols.
3. View the DTCs and their definitions on the screen.
Figure 5.6
1/1
P1633 $10 BUICK
Ignition 0 Switch Circuit
?
Figure 5.6
4. If more than one DTC is found, use the Left/
Right scroll button to check all the codes.
• If retrieved DTCs contain any manufacturer specific or
enhanced codes, a “Manufacturer specific codes are
found! Press any key to select vehicle make!” message
comes up prompting you to select vehicle manufacturer to
view DTC definitions. Use Up/Down scroll button to select
manufacturer and then press OK button to confirm.
Vehicle Manufacturer 1/2
8
BUICK
BMW
CADILLAC ?
CHEVROLET
CHRYSLER
FORD
Figure 5.7
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• If the manufacturer of your vehicle is not listed, use the Up/
Down scroll button to select Other and press the OK button.
5.2 Erasing Codes
CAUTION: Erasing the DTCs may allow the Scan Tool to delete
not only the codes from the vehicle’s on-board computer,
but also Freeze Frame Data and manufacturer specific
enhanced data. Further, the I/M Readiness Monitor
Status for all vehicle monitors is reset to Not Ready or
Not Complete status. Do not erase the codes before the
system has been checked completely by a technician.
NOTE: Erasing codes does not mean that trouble codes in ECU
have been eliminated completely. As long as there is fault
with the vehicle, the trouble codes will continue being set.
• This function is performed with key on engine
off (KOEO). Do not start the engine.
1. Use the Up/Down scroll buttons to select
Erase Codes from Diagnostics Menu (See
Figure 5.4) and press the OK button.
2. A warning message comes up asking for your confirmation.
Erase Codes
Erase trouble codes!
Are you sure?
YES NO
Figure 5.8
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• If you do not want to proceed with erasing codes, press ESC
button or use Left/Right scroll button to select NO to exit. A
message of “Command Cancelled!” will appear. Wait a few
seconds or press any key to return to Diagnostic Menu.
3. Press the OK button to confirm.
• If the codes are cleared successfully, an “Erase
Done!” confirmation message shows on the display.
Figure 5.9
Erase Codes
Erase Done!
Press any key to con.
Figure 5.9
• If the codes are not cleared, then an “Erase Failure.
Turn Key on with Engine off!” message appears.
Clearing the error code will not repair the car.
Repair the car, then clear the error code.
Figure 5.10
Erase Codes
Erase Failure.
Turn Key on with
Engine Off!
Press any key to con.
Figure 5.10
4. Press any button to return to Diagnostic Menu.
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5.3 Live Data
In this function, you can not only read the live
data but also record data for later review.
Viewing Data
The View Data function allows viewing of live or real
time PID data of vehicle’s computer module(s).
1. To view live data, use the Up/Down scroll button
to select Live Data from the Diagnostic Menu
(See Figure 5.4) and press the OK button.
2. Wait a few seconds while the Scan
Tool validates the PID MAP.
Live Data
Reading PID.01
- Please Wait -
Figure 5.11
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3. Use the Up/Down scroll button to select View Data
from Live Data menu and press the OK button.
……………… .Live Data 1/3.
View Data
Record Data ?
Playback Data
Figure 5.12
Viewing Complete Data Set
1. To view a complete set of data, use Up/Down
scroll button to select Complete Data Set from
View Data menu and press the OK button.
…………………View Data 1/3.
Complete Data Set
Custom Data Set
Unit of Measure ?
Figure 5.13
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2. View live PIDs on the screen. Use the Up/Down
scroll button for more PIDs if additional information
is available on more than one page.
Live Data 6
DTC_CNT 0
FUELSYS1 0L
FUELSYS2 -- ?
LOAD_PCT (%) 0.0
ETC() -40
SHRTFT1 (%) 99.2
Figure 5.14
• The number “x” to the right of the screen
indicates sequence of the highlighted item.
• To view full name of the highlighted PID, press the "?" button.
• If the “G” icon appears when a PID is highlighted, graphic
information is available. Press OK to view graph.
Figure 5.15
3. Press the ESC button to return to previous menu.
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Viewing Custom Data Set
1. To view customized PID data, use the Up/Down scroll
button to select Custom Data Set from View Data
menu (See Figure 5.13) and press the OK button.
2. Observe on-screen instructions.
Figure 5.16
……………Custom Data Set……… …..
[
] – Select/Deselect
[
] – Deselect all
[OK] – Confirm
[ESC] – Cancel
Press any key to continue.
Figure 5.16
3. Use the Right button to deselect/select data parameters,
and use the Up/Down scroll button to move up and down.
Selected parameters are marked with solid squares.
…………..Custom Data Set 4/26
DTC_CNT
FUELSYS1
FUELSYS2 ?
LOAD_PCT #01
ECT
SHRTFT1
Figure 5.17
• The number “x” to the upper right corner of the screen
indicates sequence of highlighted item; and “#x” are the order
that the parameters are selected and will be displayed.
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• If you want to deselect all marked items or select
all items, press the LEFT button. A message
comes up to ask for your confirmation.
………………Deselect All………………….
Deselect all
selected PID’s?
YES NO
Figure 5.18
• If you decide to deselect these items, press OK; if you
decide not to, press ESC or use the Left/Right scroll
button to select NO to continue PID selections.
4. Press the OK button to view selected PIDs on screen.
………………….Live Data 4 .
DTC_CNT 0
FUELSYS2 0L
ETC() -40 ?
SHRTFT1 (%) 99.2
Figure 5.19
5. Use the ESC button to return to previous menu.
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Recording Data
The Record Data function allows recording vehicle modules’
Parameter Identification Data (PID) to help diagnose intermittent
vehicle problems. A recording includes 5 frames of live data
before trigger event and several frames after trigger event.
There are two trigger modes used to record data:
1. Manual Trigger - allows user to press
the OK button to start recording.
2. DTC Trigger - automatically records PID data when a
fault that causes a DTC to set is detected by vehicle.
CAUTION: DO NOT try to drive and operate the Scan
Tool at the same time! Always have another
person operate the Scan Tool while driving.
To record live data, use the Up/Down scroll button
to select Record Data from Live Data menu (See
Figure 5.12) and press the OK button.
Recording Complete Data Set
1. To record a complete set of live data, use the Up/
Down scroll button to select Complete Data Set from
Record Data menu and press the OK button.
………………..Record Data 1/3..
Complete Data Set
Custom Data Set
Unit of Measure ?
Figure 5.20
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2. Use the Up/Down scroll button to select a
trigger mode and press the OK button.
Figure 5.21
…….……Pick Trigger Mode 1/2
Manual Trigger
DTC Trigger ?
Figure 5.21
• If data from previously tested vehicle is not erased, data
from current test will be stored in a temporary cache.
3. Use the Up/Down scroll button to select a
memory location and press the OK button.
…………….Select Memory 1/3..
Location #1 *
Location #2
Location #3 ?
Figure 5.22
• The asterisk (*) icon on the screen indicates that there
is a previous recording in the memory location.
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• If you select a location marked with an asterisk (*) icon, a
message prompting to overwrite old recording displays.
Select Memory ...
A previous recording
exists! Do you want
to overwrite it?
YES NO
Figure 5.23
• If you wish to proceed with overwriting the old recording,
press the OK button; if you do not wish to overwrite
it, use the Left/Right button to select NO or press
the ESC button to pick another memory location.
4. Observe on-screen instructions.
• If Manual Trigger is selected, the following screen shows:
……………Manual Trigger……………...
Ready to record!
Press [ENTER] to
start recording…
Press [ESC] to exit
Figure 5.24
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• If DTC Trigger is selected, following screen shows:
………………….DTC Trigger……………..
Waiting for DTC to
trigger recording…
Press [ESC] to exit
Figure 5.25
5. Wait for DTC to trigger recording or
press OK to start recording.
Note: Drive until a DTC is detected when DTC
Trigger is selected. If no DTCs are detected,
press ESC to exit recording.
…….Recording…. 5/46 …..
DTC_CNT 0
FUELSYS1 0L
FUELSYS2 -- ?
LOAD_PCT(%) 0.0
ETC() -40
SHRTFT1(%) 99.2
Figure 5.26
•The number “x/x...” to the upper right corner of the
screen indicates the maximum frames that can be
recorded and the number of recorded frames.
6. The Scan Tool keeps recording PID data until
user presses the ESC button, selected memory
location is full, or it completes recording. A message
prompting to playback data shows on the screen.
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Record Data
Recording Done!
Playback data?
YES NO
Figure 5.27
• If you wish to playback recorded data, press the OK
button; if you do not wish to playback, press the ESC
button, or use Left/Right button to select NO and press
the OK button to return to Record Data menu.
Recording Custom Data Set
1. To record customized data, use the Up/Down scroll
button to select Custom Data Set from Record Data
menu (See Figure 5.20) and press the OK button.
2. Observe on-screen instructions. (See Figure 5.16).
Press the OK button to continue; press the ESC
button, or use Left/Right button to select NO and press
the OK button to return to Record Data menu.
3. Use the RIGHT button select/deselect data parameters.
Selected parameters are marked with solid squares.
Press the OK button to confirm. (See Figure 5.17)
• If you wish to deselect all marked items, press LEFT button.
• A message comes up to ask for your
confirmation. (See Figure 5.18)
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• If you decide to deselect these items, press OK; if you
decide not to, press the ESC button, or use the Up/Down
button to select NO and press OK to continue PID selections.
4. Use the Up/Down scroll button to select a trigger
mode and press the OK button. (See Figure 5.21)
• If data from a previously tested vehicle is not erased,
data from current test will be stored in temporary cache.
5. Use the Up/Down scroll button to select a memory
location and press the OK button. (See Figure 5.22)
•The asterisk (*) icon on the screen indicates that there
is a previous recording in the memory location.
• If you select a location marked with an asterisk
(*) icon, a message prompting to overwrite old
recording is displayed. (See Figure 5.23)
• If you wish to proceed with overwriting old recording,
press the OK button; if you do not wish to overwrite it, press
the ESC button, or use the Left/Right button to select
NO and press OK to pick another memory location.
6. Continue from step 4.
Playback Data
The Playback Data function allows viewing
of previously stored PID data.
1. To playback recorded data, use the Up/Down scroll
button to select Playback Data from Live Data menu
and press the OK button. (See Figure 5.12)
• You are also allowed to playback recorded
data immediately after recording.
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2. Use the Up/Down button to select the memory
location marked with an asterisk (*) icon.
Figure 5.28
Select Memory 3/3
Location #1 *
Location #2 ?
Location #3 *
Figure 5.28
• If there is no recording in selected location, a message “Not
Supported or Stored No Data” displays on the screen.
3. Use the Up/Down button to view
recorded PIDs of each frame.
1 of 135 frame …
6
DTC_CNT 0
FUELSYS1 OL
FUELSYS2 N/A
LOAD_PCT (%) 0.0 ?
ETC() -40
SHRTFT1(%) 99.2
Figure 5.29
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4. Use the Left/Right button to view PIDs
of next or previous frames.
6 of 135 frame
4
DTC_CNT 0
FUELSYS1 OL
FUELSYS2 N/A
LOAD_PCT(%) 0.0 ?
ETC() -40
SHRTFT1(%) 99.2
Figure 5.30
5.4 Viewing Freeze Frame Data
Freeze Frame Data allows the technician to view the vehicle's
operating parameters at the moment a DTC is detected. For
example, the parameters may include engine speed (RPM),
engine coolant temperature (ECT), or vehicle speed sensor
(VSS) etc. This information will aid the technician by allowing the
parameters to be duplicated for diagnostic and repair purposes.
1. To view freeze frame data, use the Up/Down scroll
button to select View Freeze Frame from Diagnostic
Menu and press the OK button. (See Figure 5.4)
2. Wait a few seconds while the Scan
Tool validates the PID MAP.
3. If retrieved information covers more than one screen, use the
DOWN scroll button, as necessary, until all the data appears.
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…………View Freeze Frame 2 .
DTCFRZF P1633
FUELSYS1 OL
FUELSYS2 --
LOAD_PCT (%) 0.0 ?
ECT() -40
SHRTFT1 (%) 99.2
Figure 5.31
• If there is no freeze frame data available,
an advisory message “No freeze frame
data stored!” shows on the display.
4. If you want to view full name of a PID, use the Up/Down
scroll button to select the PID, and press the HELP button.
……………… ..FUELSYS1……… …….
Fuel System 1 Status
Figure 5.32
5. Press ESC button to return to previous screen.
5.5 Retrieving I/M Readiness Status
The I/M Readiness Status function is used to check the
operations of the Emission System on OBD II compliant vehicles.
It is an excellent function to use prior to having a vehicle
inspected for compliance to a state Emissions Program.
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CAUTION - By clearing trouble codes you also clear the
readiness status for the individual emission system
readiness tests. In order to reset these monitors,
the vehicle must be driven through a complete
drive cycle with no trouble codes in memory.
Times for reset vary depending on vehicle.
Some of the latest vehicle models may support
two types of I/M Readiness tests:
1. Since DTCs Cleared - indicates status of the
monitors since the DTCs are erased.
2. This Drive Cycle - indicates status of monitors
since the beginning of the current drive cycle.
An I/M Readiness Status result of “NO” does not necessarily
indicate that the vehicle being tested will fail the state I/M
inspection. For some states, one or more such monitors may
be allowed to be “Not Ready” to pass the Emissions Test.
• “OK” -- Indicates that a particular monitor being
checked has completed its diagnostic testing.
• “INC” -- Indicates that a particular monitor being
checked has not completed its diagnostic testing.
• “N/A” -- The monitor is not supported on that vehicle.
There are two ways to retrieve I/M readiness status:
1. One-Click I/M Readiness Key
By simply pressing the One-Click I/M Readiness Key, you
can retrieve the I/M readiness status. The screen will show
as below. According to different readiness statuses, the color
LEDs will illuminate and different audio tones will be heard.
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Figure 5.33
“OK” -- Indicates that a particular monitor being
checked has completed its diagnostic testing.
“INC” -- Indicates that a particular monitor being
checked has not completed its diagnostic testing.
“N/A” -- The monitor is not supported on the vehicle.
The GREEN, YELLOW and RED LEDs provide a quick way to
help you determine if a vehicle is ready for an Emissions Test.
The LED and audio tone indications are interpreted as below:
LED Interpretation:
a. GREEN LED – Indicates that engine systems are
“OK” and operating normally (the number of Monitors
supported by the vehicle which have run and performed
their self-diagnostic testing is in the allowed limit. MIL
is off). There are no stored and pending DTCs that will
cause a problem during an Emissions Test at this time.
b. YELLOW LED – With MIL off, there are some conditions
that may cause the YELLOW LED to light:
• If a “Stored” or "Pending" DTC is causing the YELLOW
LED to light, the vehicle might pass an Emissions Test.
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• If the illumination of the YELLOW LED is being
caused by monitors that have not completed their
diagnostic testing, then the issue of the vehicle
being ready for an Emissions Test depends on the
emissions regulations and laws of your local area.
NOTE: From the code retrieval procedure, determine the
status of each Monitor. Take this information to an
emissions professional to determine (based on your test
results) if your vehicle is ready for an Emissions Test.
c. RED LED – Indicates there is a problem with one or
more of the vehicle's systems. A vehicle displaying a
RED LED is not ready for an Emissions Test. The RED
LED is also an indication that there are DTCs present.
The MIL lamp on the vehicle's instrument panel will light
steadily. The problem that is causing the RED LED to
diaplay must be repaired before an Emissions Test can
be performed. It is also suggested that the vehicle be
inspected/repaired before driving the vehicle further.
Audio Tone Interpretation:
The audio tone is configured according to the I/M Readiness
Status. This function is invaluable when performing
diagnostics and driving at the same time, or working in
areas where LED illumination alone is not sufficient.
LED Light
Audio Tone
Beep Interval
Green LED
Two long beeps
5 seconds
Yellow LED
short, long, short beep
5 seconds
Red LED
Four short beeps
5 seconds
After you have read the information, press ESC to exit. The
other buttons are disabled to prevent misoperation.
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2. Typical Retrieval of I/M Readiness
a. Use the Up/Down scroll button to select I/M Readiness from
Diagnostic Menu and press OK button. (See Figure 5.4)
b. Wait a few seconds while the Scan
Tool validates the PID MAP.
c. If the vehicle supports both types of tests, then both
types will be shown on the screen for selection.
……………I/M Readiness 1/2.
Since DTCs Cleared
This Drive Cycle ?
Figure 5.34
d. Use the Up/Down scroll button, as necessary,
to view the status of the MIL light (“ON” or
“OFF) and the following monitors:
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For Spark Ignition (Gasoline) Engines:
• MIS -- Misfire Monitor
• FUEL -- Fuel System Monitor
• CCM -- Comprehensive Component Monitor
• EGR – EGR System Monitor
• O2S -- O2 Sensors Monitor
• CAT -- Catalyst Monitor
• EVAP -- Evaporative System Monitor
• HTR -- O2 Sensor Heater Monitor
• AIR -- Secondary Air Monitor
• HCAT -- Heated Catalyst Monitor
For Compression (Diesel) Ignition Engines:
• MIS -- Misfire Monitor
• FUEL -- Fuel System Monitor
• CCM -- Comprehensive Component Monitor
• EGR – EGR System Monitor
• HCCAT -- NMHC Catalyst Monitor
• NCAT -- NOx Aftertreatment Monitor
• BP -- Boost Pressure System Monitor
• EGS -- Exhaust Gas Sensor Monitor
• PM -- PM Filter Monitor
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Figure 5.35
…………Since DTCs Cleared 1
MIL OFF
MIS N/A
FUEL OK ?
CCM OK
CAT N/A
HCAT N/A
Figure 5.35
e. If the vehicle supports readiness test of “This Drive
Cycle”, a screen of the following displays:
Figure 5.36
…………..This Drive Cycle 1.
MIL OFF
MIS N/A
FUEL OK ?
CCM OK
CAT N/A
HCAT N/A
Figure 5.36
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f. The LEDs and audio tone corresponding to different
monitor status will be activated as below:
LED Light
Audio Tone
Beep Interval
Green LED
Two long beeps
2 minutes
Yellow LED
short, long, short beep
2 minutes
Red LED
Four short beeps
2 minutes
g. Use the Up/Down scroll button for more PIDs if
additional information is available on more than
one page. Or use the Left/Right scroll button
to view PIDs in the previous/next page.
h. Press the ESC button to return to Diagnostic Menu.
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5.6 O2 Monitor Test
OBD II regulations set by SAE require that relevant vehicles
monitor and test the oxygen (O2) sensors to identify problems
related to fuel efficiency and vehicle emissions. These tests
are not on-demand tests and they are done automatically when
engine operating conditions are within specified limits. These
test results are saved in the on-board computer's memory.
The O2 Monitor Test function allows retrieval and viewing
of O2 sensor monitor test results for the most recently
performed tests from the vehicle's on-board computer.
The O2 Monitor Test function is not supported by
vehicles which communicate using a controller area
network (CAN). For O2 Monitor Test results of CAN-
equipped vehicles, see 5.7 “On-Board Monitor Test”.
1. Use the Up/Down scroll button to select O2
Monitor Test from Diagnostic Menu (See
Figure 5.4) and press OK button.
2. Wait a few seconds while the scan tool validates the PID MAP.
3. Use the Up/Down scroll button to select O2 sensor
from O2 Monitor Test menu and press OK button.
............O2 Monitor Test 2/8…
O2 Bank1 Sensor1
O2 Bank1 Sensor2
O2 Bank1 Sensor3 ?
O2 Bank1 Sensor4
O2 Bank2 Sensor1
O2 Bank2 Sensor2
Figure 5.37
• If the vehicle does not support the mode, an advisory
message will be displayed on the screen.
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…………….O2 Monitor Test…………..
The selected mode is
not supported!
Figure 5.38
4. View test results of selected O2 sensor.
… ……….O2 Bank1 Sensor2 1/31.
Rich-Lean Threshd V
Lean-Rich Threshd V
Low for Switch (V) ?
High for Switch (V)
Rich-Lean Threshd S
Lean-Rich Threshd S
Figure 5.39
5. Use the Up/Down scroll button to view more screens of data
if additional information is available in more than one page.
6. Press the ESC button to return to the previous menu.
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5.7 On-Board Monitor Test
The On-Board Monitor Test is useful after servicing or
after erasing a vehicle’s control module memory. The On-
Board Monitor Test for non-CAN-equipped vehicles retrieves
and displays test results for emission-related power train
components and systems that are not continuously monitored.
The On-Board Monitor Test for CAN-equipped vehicles retrieves and
displays test results for emission-related power train components
and systems that are and are not continuously monitored.
The scan tool allows access to the results of on-board diagnostic
monitoring tests for specific components/systems. The vehicle
manufacturer is responsible for assigning "Manufacturer Defined
Test IDs" and Component IDs for tests of different systems and
components. The advanced feature of this scan tool enables you
to read the definition of an On-Board Diagnostic Monitor ID.
NOTE: The scan tool will display a Test definition only
if this test definition is present in the vehicle’s
computer memory. If no such definition is present,
the scan tool will just display the Test IDs.
In this test, there are typically a minimum value, a
maximum value, and a current value for each monitor.
By comparing the current value with the minimum and
maximum value, the scan tool will determine if it is OK.
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1. Use the Up/Down scroll button to select On-Board Mon.
Test from Diagnostic Menu and press the OK button.
2. Wait a few seconds while the scan tool validates the PID MAP.
3. The scan tool will prompt you to select the vehicle make.
Figure 5.40
Vehicle Manufacturer 1/28
BUICK
BMW
CADILLAC ?
CHRYSLER
FORD
GM
Figure 5.40
4. After you select the vehicle manufacturer, the
scan tool shows the On-Board Monitors test
results for specific monitored systems.
Figure 5.41
On-Board Mon. Test 1/19
HO2S Monitor
HO2S Monitor
Catalyst Monitor ?
EVAP Monitor
EVAP Monitor
EVAP Monitor
Figure 5.41
5. From On-Board Mon. Test menu, use the Up/
Down scroll button to select a test to view and press
the OK button. Or, use the Left/Right scroll button
to view previous/next screen of test items.
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• If the vehicle under test does not support the mode, an
advisory message will be displayed on the screen.
On-Board Mon. Test
The selected mode is
not supported
Press any key to con..
Figure 5.42
• For CAN-equipped vehicles, test selections can be as below:
On-Board Mon. Test 1/31..
O2 Mon. B1S1
O2 Mon. B1S2
O2 Mon. B1S3 ?
O2 Mon. B1S4
O2 Mon. B2S1
O2 Mon. B2S2
Figure 5.43
6. Use the Up/Down scroll button to select the desired monitor
from On-Board Mon. Test menu and press the OK button.
7. View test data on screen.
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HO2S11 Voltage amplitu
ID 11
MOD $10
TEST(volts) 400 ?
MIN(volts) 1E1
MAX(volts) -----
STS OK
Figure 5.44
NOTE: If the On-Board Monitor Test failed, text will be red, which
allows you to easily identify which system is at fault.
Figure 5.45
EVAP monitor
Phase 0 Initial tank vacuum an..
Figure 5.45
Phase 0 Initial tank vacuum
ID 00
MOD $10
TEST(in H2O) 0000 ?
MIN(in H2O) 7000
MAX(in H2O) 7200
STS Fail
Figure 5.46
8. Press ESC button to return to the previous menus.
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5.8 Component Test
The Component Test function allows initiating a leak test for
the vehicle's EVAP system. The scan tool itself does not perform
the leak test, but commands the vehicle's on-board computer
to start the test. Different vehicle manufacturers might have
different criteria and methods for stopping the test once it has
been started. Before starting the Component Test, refer to
the vehicle service manual for instructions to stop the test.
1. Use the Up/Down scroll button to select
Component Test from Diagnostic Menu (See
Figure 5.4) and press the OK button.
2. Wait for the scan tool to display the Component Test menu.
Component Test
Evap Leak Test
?
Figure 5.47
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3. If the test has been initiated by the vehicle, a confirmation
message will be displayed on the screen.
message will be displayed on the screen.
Figure 5.48
Component Test
Command Sent!
Press any key to con.
Figure 5.48
Some vehicles do not allow scan tools to control vehicle systems
or components. If the vehicle under test does not support the EVAP
Leak Test, an advisory message is displayed on the screen.
Figure 5.49
.............Component Test
The selected mode is
not supported
Press any key to con.
Figure 5.49
5.9 Viewing Vehicle Information
The Vehicle Info. function enables retrieval of Vehicle
Identification No. (VIN), Calibration ID Nos. (CINs), Calibration
Verification Nos. (CVNs) and In-use Performance Tracking
on 2000 and newer vehicles that support Mode 9.
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1. Use Up/Down scroll button to select Vehicle Info. from the
Diagnostic Menu and press OK button. (See Figure 5.4)
2. An advisory message comes up to remind you. Wait
a few seconds or press any key to continue.
Vehicle Info.
Turn key on
with engine off !
Press any key to con.
Figure 5.50
3. Wait a few seconds while the Scan Tool
reads vehicle information.
Wait a few seconds while the scan tool reads vehicle information
Figure 5.38
Vehicle Info.
Reading info…
- Please Wait -
Figure 5.51
• If the vehicle does not support this mode, a message shows
on the display warning that the mode is not supported.
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4. From Vehicle Info. Menu, use the Up/Down scroll button to
select an available item to view and press the OK button.
Vehicle Info. 3/3
Vehicle ID Number
Calibration ID
Cal. Verf. Number
?
Figure 5.52
5. View retrieved vehicle information on screen.
Cal. Verf. Number
CVN1: BB BA A0 78
?
Figure 5.53
6. Press the ESC button to return to previous menu.
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5.10 Modules Present
The Modules Present function allows viewing of the module IDs
and communication protocols for OBD2 modules in the vehicle.
1. Use the Up/Down scroll button to select
Modules Present from Diagnostic Menu
(See Figure 5.4) and press OK button.
2. View modules present with their IDs
and communication protocols.
Figure 5.54
Modules Present
ID Protocol
_________________________
$00 ISO 9141-2 ?
Figure 5.54
3. Press the ESC button to return to previous menu
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5.11 Code Breaker
The Code Breaker function is used to provide descriptions
of DTCs and helpful tips to deal with DTCs. It is useful
for technicians to find the root cause of trouble code
faster, saving diagnosis and repair time.
4. Repeat steps in the Read Codes section to identify DTCs.
Figure 5.41
1/11
U0101 $07E8
Lost Communication
with TCM ?
Figure 5.55
5. Press the "?" Help button to display Code Breaker menu.
Code Breaker 1/3
System Description
Quick Check
General Notes
Figure 5.56
6. Click on System Description and Quick
Check to read the code information, symptoms,
specifications, data/sensor information, etc.
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7. Click on General Notes to view helpful
repair information of DTCs.
8. To return to previous screen, press ESC button.
6. Ready Test
This function can be used as a convenient readiness test
tool by automotive technicians to determine if the tested
vehicle is ready for an Emissions Test. By visual and audible
indication, you will learn a vehicle’s monitors readiness.
6.1 General Information
Repairs to the emissions-control systems of a 1996 or newer
vehicle cause the vehicle's computer (ECU) memory to be
cleared. The vehicle must go through a drive cycle to allow
the ECU to perform a series of tests to ensure that the repair
was successful, and before a state mandated Emissions Test
can be conducted. But how will you know when it is ready?
6.2 Ready Test Application
The purpose of this function is to indicate which of the
vehicle's monitors have run and completed their diagnosis
and testing, and which ones have not yet run and completed
testing and diagnosis of their designated sections of the
vehicle's emission system. All data shows on one screen,
which provides a simple profile of the vehicle at a glance,
saving diagnosis time and improving technician productivity.
• Use the Up/Down scroll button and Left/Right scroll
button to select Ready Test from the Main Screen
(See Figure 3.1), and press the OK button.
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As post-repair diagnostic tool:
This function can be used (after the vehicle has
had any emission-related repairs) to confirm that
the repair has been performed successfully.
After repairs, some drive cycles are required to reset the
monitoring systems. Drive cycles vary among vehicles
and for each monitor in any particular vehicle.
Use the following procedure to check if the
repair has been done correctly:
1. Connect the Scan Tool to the vehicle's DLC and
erase the DTCs from the vehicle's computer
memory. (See 5.2 Erasing Codes)
2. After the erase procedure is performed, the status
of most monitors will be changed. Leave the Scan
Tool connected to the vehicle, and select Ready
Test from the Main Screen (See Figure 3.1).
3. Keep on driving the car until the Scan Tool notifies you
with the LED (and tone, if enabled) that the drive cycle
has been completed and the vehicle is ready, eliminating
drive cycle guesswork and confirming readiness status.
4. If the GREEN LED displays and two long beeps are
heard, there are no stored and pending DTCs that will
cause a problem during an Emissions Test at this time.
5. If the RED LED displays, your vehicle is
not ready for an Emissions Test.
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As pre-check diagnostic tool:
Prior to having a vehicle inspected for compliance to a
state Emissions Test, you can use this function to check
the readiness status of the DTCs first by yourself.
1. With the Scan Tool connected to the vehicle, select
Ready Test from the Main Screen (See Figure
3.1). Drive the car until the Scan Tool notifies
you with the LED (and tone, if enabled).
2. If the GREEN LED displays and two long beeps are
heard, there are no stored and pending DTCs that will
cause a problem during an Emissions Test at this time.
3. If the RED LED displays, your vehicle is
not ready for an Emissions Test.
WARNING!: If you are driving the vehicle to perform a
drive cycle ALONE, please set the Status Beep On
(See 3.8 System Setup). By listening to the beep,
you will learn when the monitors have run and
completed the diagnostic testing. NEVER try to
drive and operate the Scan Tool at the same time!
NOTE: This function reads off the real time data of emission-
related monitoring systems readiness status. Once
the Scan Tool has finished other operations, for
example, clearing trouble codes, the I/M Readiness
Monitor Status program resets status of all the
monitors to “INC” condition. In order to set these
monitors to a "Ready" status, the vehicle must be
driven through a complete drive cycle. Times for
reset vary depending on vehicle. Please refer to your
vehicle’s service manual for drive cycle information.
NOTE: In this function, only the ESC button is available. The
other buttons are disabled to prevent misoperation.
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6.3 LED and Audio Tone Interpretation
Select Ready Test from the Main Screen (See Figure 3.1)
and the screen shows as below, including applicable monitors
status, MIL state, Ignition type, DTCs (stored and pending).
Figure 6.2
If the Scan Tool is idle, it will show the result immediately. If
it is busy, it will wait until the current procedure is finished.
After viewing the status, press ESC button to exit.
“OK” -- Indicates that a particular monitor being
checked has completed its diagnostic testing.
“INC” -- Indicates that a particular monitor being
checked has not completed its diagnostic testing.
“N/A” -- The monitor is not supported on the vehicle.
The LED and audio tone indications are interpreted as below:
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LED Interpretation:
The GREEN and RED LEDs provide an easy way
to check if emission-related monitoring systems
complete their self-diagnostic testing.
1. GREEN LED – Your vehicle is Ready. Indicates that engine
systems are “OK” and operating normally (the number of
monitors supported by the vehicle which have run and
performed their self-diagnostic testing is in the allowed limit).
2. RED LED –Your vehicle is Not Ready. Indicates
that the number of monitors supported by the
vehicle which have run and performed their self-
diagnostic testing is out of the allowed limit.
Audio Tone Interpretation:
The audio tone could be configured according to the I/M
Readiness Status. This function is invaluable when performing
diagnostics and driving at the same time, or working in
areas where LED illumination alone is not sufficient.
LED Light
Audio Tone
Beep Interval
Green LED
Two long beeps
2 minutes
Red LED
No beep
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7. Print Data
The Print Data function allows the printing of diagnostic data
recorded by the Scan Tool or customized test reports.
To print out retrieved data, you need the following tools:
Cen-Tech 60694 Scan Tool
A PC or laptop with USB ports
Supplied USB cable
1. Install software applications through the
included CD, or download the applications from
our website: www.HarborFreight.com.
2. Connect the scanner to computer with
the supplied USB cable.
3. Run the software.
4. Use the Up/Down scroll button to select Print Data from
Main Menu (See Figure 3.1), and press the OK button.
5. Use the Up/Down scroll button to select the
desired item to print from Print Data menu.
Print Data 1/9
Stored Codes
Pending Codes
Live Data ?
Freeze Frame
I/M Readiness
O2 Sensor Test
Print All Data
Figure 7.2
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• To print all retrieved data, use the Up/Down scroll
button to select Print All Data from Print Data menu.
6. Press the OK button to upload data to the computer.
NOTE: Data stored in a language different from current
system settings of the Scan Tool will not be printable.
Please adjust language settings before printing. A
reminder would pop up under such circumstances.
8. Limited 90 Day Warranty
Harbor Freight Tools Co. makes every effort to assure that its products meet
high quality and durability standards, and warrants to the original purchaser that
this product is free from defects in materials and workmanship for the period
of 90 days from the date of purchase. This warranty does not apply to damage
due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or
alterations outside our facilities, criminal activity, improper installation, normal
wear and tear, or to lack of maintenance. We shall in no event be liable for
death, injuries to persons or property, or for incidental, contingent, special or
consequential damages arising from the use of our product. Some states do
not allow the exclusion or limitation of incidental or consequential damages, so
the above limitation of exclusion may not apply to you. THIS WARRANTY IS
EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,
INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.
To take advantage of this warranty, the product or part must be returned to us
with transportation charges prepaid. Proof of purchase date and an explanation
of the complaint must accompany the merchandise. If our inspection verifies
the defect, we will either repair or replace the product at our election or we may
elect to refund the purchase price if we cannot readily and quickly provide you
with a replacement. We will return repaired products at our expense, but if we
determine there is no defect, or that the defect resulted from causes not within
the scope of our warranty, then you must bear the cost of returning the product.
This warranty gives you specific legal rights and you may also
have other rights which vary from state to state.
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • 1-888-866-5797
