X T100 READINESS MONITOR DRIVE PATTERNS T EG02 003
User Manual: X-T100
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Technical Service BULLETIN READINESS MONITOR DRIVE PATTERNS Models: All ’96 – ’02 March 29, 2002 TSB REVISION NOTICE: The information updated in this TSB is red and underlined. Introduction The On–Board Diagnostic (OBDII) system is designed to monitor the performance of emission–related components and report any detected abnormalities in the form of Diagnostic Trouble Codes (DTCs). Since the various components need to be monitored during different driving conditions, the OBDII system is designed to run separate monitoring programs called Readiness Monitors. Many state Inspection and Maintenance (I/M) programs require that vehicles complete their Readiness Monitors prior to beginning an emissions test. The current status of the Readiness Monitors can be seen by using the Toyota Diagnostic Tester with version 9.0 software (or newer), or a generic OBDII Scantool. To view the Readiness Monitor status using the Toyota Diagnostic Tester, select “Monitor Status” from the Enhanced OBDII Menu. A status of “complete” indicates that the necessary conditions have been met to run the performance tests for the related Readiness Monitor. The Readiness Monitor will be reset to “incomplete” if: S ECU has lost power (battery or fuse). S DTCs have been cleared. S The conditions for running the Readiness Monitor have not been met. In the event that any Readiness Monitor shows “incomplete,” follow the appropriate Readiness Monitor Drive Pattern to change the readiness status to “complete.” Refer to the Readiness Monitor Drive Pattern Application Table to determine which drive pattern should be followed. Contents SECTION PAGE(S) Readiness Monitor Drive Pattern Application Tables Readiness Monitor Drive Patterns 1 EGR Monitor (All Except 1FZ–FE Engine) 2 EGR Monitor (For 1FZ–FE Engine) 3 Catalyst Monitor (O2S Type) 4 Catalyst Monitor (AF Sensor Type) 5 EVAP Monitor (Internal Pressure Monitor/Non–Intrusive Type) 6 EVAP Monitor (Vacuum Pressure Monitor/Intrusive Type) 7 EVAP Monitor (Without Leak Detection) 8 EVAP Monitor (For Prius) 9 Oxygen Sensor Monitor (Front and Rear O2S System) 10 Oxygen/AF Sensor Monitor (Front AF Sensor and Rear O2S System) 11 Oxygen/AF Sensor Heater Monitor Applicable Vehicles Warranty Information 3–9 10 11 12 13 14–15 16–17 18 19–20 21 22 23 S All 1996 – 2002 model year Toyota vehicles. OP CODE DESCRIPTION TIME OPN T1 T2 N/A Not Applicable to Warranty – – – – Toyota Supports ASE Certification Page 1 of 23 ENGINE EG003-02 Title: READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Terms & Definitions Required Tools & Material March 29, 2002 J1930 TERM J1930 DEFINITION TOYOTA/LEXUS DIAGNOSTIC TESTER PARAMETER IAT Intake Air Temperature Intake Air ECT Engine Coolant Temperature Coolant Temp TOOLS & MATERIAL PART NUMBER QUANTITY Toyota Diagnostic Tester Kit 01001271 1 12 Megabyte Diagnostic Tester Program Card with version 9.0a Software (or later) 01002593-005 1 NOTE: A generic OBDII Scantool can be used in place of the Toyota Diagnostic Tester. CAUTION: Strict observance of posted speed limits, traffic laws and road conditions are required when performing these drive patterns. NOTE: S These drive patterns represent the fastest method to satisfy all necessary conditions which allow the specific Readiness Monitor to complete. S In the event that the drive pattern must be interrupted (possibly due to traffic conditions or other factors) the drive pattern can be resumed and, in most cases, the Readiness Monitor will still set to “complete.” S To ensure rapid completion of Readiness Monitors, avoid sudden changes in vehicle load and speed (driving up and down hills and/or sudden acceleration). Underhood Emission Control Information Label SAMPLE EMISSION CONTROL INFORMATION LABEL VEHICLE EMISSION CONTROL INFORMATION TOYOTA MOTOR CORPORATION TEST GROUP : 1TYXV02.2JJA SFI, EGR, A/F S, WU–TWC, TWC, HO2S EVAP. FAMILY : 1TYXR0135AK1 2.2 LITER ENGINE TUNE–UP SPECIFICATIONS FOR ALL ALTITUDES VALVE CLEARANCE INTAKE 0.19–0.29 mm [0.007–0.011 in.] (ENGINE AT COLD) EXHAUST 0.28–0.38 mm [0.011–0.015 in.] NO OTHER ADJUSTMENTS NEEDED. 2 2 V A G J J Y 7A650 2AZ–FE USA EGR = Exhaust Gas Recirculation A/F S = Air Fuel Sensor O2S = Oxygen Sensor Page 2 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Pattern Application Tables March 29, 2002 DRIVE PATTERN NUMBER* O2S/AF MODEL YEAR EGR 1 2 3 4 SENSOR EVAP 5 6 7 8 9 10 HTR 11 ENGINE Tercel 5E–FE X X X X X Paseo 5E–FE X X X X X Corolla 7A–FE X X X X X 7A–FE X X X X X 5S–FE X X X X X MTM X X X X X ATM X X X X X MTM X X X X X ATM X X X X X 1MZ–FE X X X X X 2JZ–GE X X X X X 2JZ-GTE X X X X RAV4 3S–FE X X X X Previa 2TZ–FZE X X X X X 2RZ–FE X X X X X 3RZ–FE X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 5S FE 5S–FE Camry 1MZ FE 1MZ–FE Avalon Supra CATEGORY CATALYST MODEL Celica 1996 DRIVE TRAIN 2WD Tacoma 5VZ–FE 4WD w/EGR** w/oEGR** 3RZ–FE 4Runner w/EGR** 5VZ FE 5VZ–FE w/oEGR** 3RZ–FE T100 Land Cruiser 5VZ FE 5VZ–FE 2WD or 4WD w/EGR** w/oEGR** N/A N/A X X X X X X X X X X X X X X X N/A 1FZ–FE X X X N/A * Readiness Monitor Drive Patterns: 1. 2. 3. 4. 5. 6. EGR (All Except 1FZ–FE Engine) EGR (For 1FZ–FE Engine) Catalyst (O2S Type) Catalyst (AF Sensor Type) EVAP (Internal Pressure Monitor/Non–Intrusive Type) EVAP (Vacuum Pressure Monitor/Intrusive Type) 7. EVAP (Without Leak Detection) 8. EVAP (For Prius) 9. Oxygen Sensor Monitor (Front & Rear O2S System) 10. Oxygen/AF Sensor Monitor (Front AF Sensor & Rear O2S System) 11. Oxygen/AF Sensor Heater Monitor ** Refer to Underhood Emissions Label on page 2. Page 3 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Pattern Application Tables (Continued) March 29, 2002 DRIVE PATTERN NUMBER* O2S/AF MODEL YEAR DRIVE TRAIN EGR 2 3 4 5 6 7 8 9 10 HTR 11 ENGINE Tercel 5E–FE X X X X X Paseo 5E–FE X X X X X Corolla 7A–FE X X X X X 7A–FE X X X X X 5S–FE X X X X X X X X X X Fed X X X X CA X MTM 5S–FE ATM Camry y X X X X X MTM X X X X X ATM X X X X X 1MZ–FE X X X X X 2JZ–GE X X X X X 2JZ-GTE X X X X RAV4 3S–FE X X X X Previa 2TZ–FZE X X X X X 2RZ–FE X X X X X 3RZ–FE X X X X X X X X X X X X X X X X X X X X X X X X 1MZ FE 1MZ–FE Avalon Supra 1997 1 SENSOR EVAP MODEL Celica CATEGORY CATALYST Tacoma 5VZ–FE 4Runner 2WD or 4WD w/EGR** 4WD w/oEGR** 3RZ–FE X 5VZ–FE N/A 3RZ–FE T100 5VZ–FE Land Cruiser N/A 2WD w/EGR** 2WD or 4WD w/oEGR** X X X X X X X X X X X X X X X N/A 1FZ–FE X X X N/A * Readiness Monitor Drive Patterns: 1. 2. 3. 4. 5. 6. EGR (All Except 1FZ–FE Engine) EGR (For 1FZ–FE Engine) Catalyst (O2S Type) Catalyst (AF Sensor Type) EVAP (Internal Pressure Monitor/Non–Intrusive Type) EVAP (Vacuum Pressure Monitor/Intrusive Type) ** Refer to Underhood Emissions Label on page 2. Page 4 of 23 7. EVAP (Without Leak Detection) 8. EVAP (For Prius) 9. Oxygen Sensor Monitor (Front & Rear O2S System) 10. Oxygen/AF Sensor Monitor (Front AF Sensor & Rear O2S System) 11. Oxygen/AF Sensor Heater Monitor READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Pattern Application Tables (Continued) March 29, 2002 DRIVE PATTERN NUMBER* O2S/AF MODEL YEAR MODEL ENGINE Tercel 5E–FE Paseo 5E–FE Corolla 1ZZ–FE Celica 5S–FE DRIVE TRAIN 1MZ–FE 1998 1MZ–FE 5 6 7 8 9 10 HTR 11 X X X X X X X X X X X X X X X X X X CA X X X X X X X X X X X X Fed X X X X X CA X Fed X CA X X X X X X Fed X X CA X X X X X X X X X X X N/A X X X N/A X X X X X X X X X X X X X X X X X X X 3RZ–FE X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 2WD w/EGR** 4WD w/oEGR** 3RZ–FE 5VZ–FE T100 5VZ–FE N/A X N/A 3RZ–FE Land Cruiser 4 SENSOR EVAP 2RZ–FE 5VZ FE 5VZ–FE 4Runner 3 Fed 2JZ-GTE Sienna 2 X 2JZ–GE 3S FE 3S–FE Tacoma ATM 1MZ FE 1MZ–FE RAV4 1 CATALYST X MTM Camry y Supra CATEGORY N/A 5S FE 5S–FE Avalon EGR 2WD w/EGR** 2WD or 4WD w/oEGR** N/A 2UZ–FE * Readiness Monitor Drive Patterns: 1. 2. 3. 4. 5. 6. EGR (All Except 1FZ–FE Engine) EGR (For 1FZ–FE Engine) Catalyst (O2S Type) Catalyst (AF Sensor Type) EVAP (Internal Pressure Monitor/Non–Intrusive Type) EVAP (Vacuum Pressure Monitor/Intrusive Type) 7. EVAP (Without Leak Detection) 8. EVAP (For Prius) 9. Oxygen Sensor Monitor (Front & Rear O2S System) 10. Oxygen/AF Sensor Monitor (Front AF Sensor & Rear O2S System) 11. Oxygen/AF Sensor Heater Monitor ** Refer to Underhood Emissions Label on page 2. Page 5 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Pattern Application Tables (Continued) March 29, 2002 DRIVE PATTERN NUMBER* O2S/AF MODEL YEAR DRIVE TRAIN CATEGORY 1 CATALYST 2 3 4 SENSOR EVAP 5 6 7 8 9 10 HTR 11 MODEL ENGINE Tercel 5E–FE X X X X X Paseo 5E–FE X X X X X Corolla 1ZZ–FE X X X X Celica 5S–FE X X X X X Fed X X X X X CA X N/A 5S FE 5S–FE MTM Camry y 1MZ–FE ATM 5S FE 5S–FE 1MZ–FE Avalon 1MZ FE 1MZ–FE RAV4 3S FE 3S–FE Sienna 1MZ FE 1MZ–FE ATM X X X X X X Fed X X X X X CA X Fed X CA X X X X X X X X X X X X X X X X X X Fed X X X X X CA X Fed X CA X Fed X CA X Fed CA X X X X X X X X X X X X X X X X X X X X X X X N/A X X X X X X X X X X 3RZ–FE X X X X X X X X X X X X X X X X X X X X X X 5VZ–FE 2WD w/EGR** 2WD or 4WD w/oEGR** 3RZ–FE Land Cruiser X 2RZ–FE Tacoma 4Runner X X MTM Solara 1999 EGR 5VZ FE 5VZ–FE N/A X Fed CA X N/A 2UZ–FE X X X X X X X * Readiness Monitor Drive Patterns: 1. 2. 3. 4. 5. 6. EGR (All Except 1FZ–FE Engine) EGR (For 1FZ–FE Engine) Catalyst (O2S Type) Catalyst (AF Sensor Type) EVAP (Internal Pressure Monitor/Non–Intrusive Type) EVAP (Vacuum Pressure Monitor/Intrusive Type) ** Refer to Underhood Emissions Label on page 2. Page 6 of 23 7. EVAP (Without Leak Detection) 8. EVAP (For Prius) 9. Oxygen Sensor Monitor (Front & Rear O2S System) 10. Oxygen/AF Sensor Monitor (Front AF Sensor & Rear O2S System) 11. Oxygen/AF Sensor Heater Monitor READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Pattern Application Tables (Continued) March 29, 2002 DRIVE PATTERN NUMBER* O2S/AF MODEL YEAR DRIVE TRAIN EGR 1 2 3 4 SENSOR EVAP 5 6 7 8 9 10 HTR 11 MODEL ENGINE ECHO 1NZ–FE X X X X Corolla 1ZZ–FE X X X X X X X X 2ZZ–GE X X X X 1ZZ–FE X X X X X X Celica MR2 CATEGORY CATALYST 1ZZ–FE N/A 5S FE 5S–FE Fed X CA X MTM Camry y 1MZ–FE ATM 5S FE 5S–FE 1MZ–FE Camry CNG 5S–FNE Avalon 1MZ–FE ATM 3S FE 3S–FE Sienna 1MZ FE 1MZ–FE X Fed X X X X X CA X Fed X CA X Land Cruiser 5VZ FE 5VZ–FE 5VZ FE 5VZ–FE X X X X X X X X X X X X X X X X CA X Fed X CA X w/EGR** w/o A/F S, w/oEGR** w/A/F S, w/oEGR** 3RZ–FE Tundra X X X CA 2WD or 4WD X X 3RZ–FE 4Runner X Fed 2RZ–FE 5VZ–FE X X Fed T Tacoma X X X X X X X N/A N/A X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X N/A X X Fed X X X X X X X X X X Fed X X CA CA X N/A N/A 2WD X X X 2000 RAV4 X X MTM Solara X X N/A X X X X X X X X X X 2UZ–FE X X X X 2UZ–FE X X X X * Readiness Monitor Drive Patterns: 1. 2. 3. 4. 5. 6. EGR (All Except 1FZ–FE Engine) EGR (For 1FZ–FE Engine) Catalyst (O2S Type) Catalyst (AF Sensor Type) EVAP (Internal Pressure Monitor/Non–Intrusive Type) EVAP (Vacuum Pressure Monitor/Intrusive Type) 7. EVAP (Without Leak Detection) 8. EVAP (For Prius) 9. Oxygen Sensor Monitor (Front & Rear O2S System) 10. Oxygen/AF Sensor Monitor (Front AF Sensor & Rear O2S System) 11. Oxygen/AF Sensor Heater Monitor ** Refer to Underhood Emissions Label on page 2. Page 7 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Pattern Application Tables (Continued) March 29, 2002 DRIVE PATTERN NUMBER* O2S/AF MODEL YEAR DRIVE TRAIN EGR 2 3 4 5 6 7 8 9 10 HTR 11 ENGINE ECHO 1NZ–FE X X X X Corolla 1ZZ–FE X X X X X X X X 2ZZ–GE X X X X 1ZZ–FE X X X X MR2 1ZZ–FE N/A 5S–FE Camry y 1MZ FE 1MZ–FE X Solara 1MZ FE 1MZ–FE Camry CNG 5S–FNE Avalon 1MZ–FE Prius 1NZ-FXE RAV4 1AZ–FE High Highlander 2AZ–FE Sienna Tacoma Tundra X ATM X X X X X X X X X X X ATM X X X X X X X X X MTM X X X X N/A N/A X X X X X X X X X X X X X X X X X X X X X X 1MZ–FE X X X X 1MZ–FE X X X X N/A 2RZ–FE X X X X X 3RZ–FE X X X X X X X X X X X X X X X X X X 5VZ FE 5VZ–FE 4Runner X MTM 5S–FE 2001 1 SENSOR EVAP MODEL Celica CATEGORY CATALYST 2WD 4WD 5VZ–FE X 5VZ–FE 2UZ–FE X N/A X X X X X X X X X X X Land Cruiser 2UZ–FE X Sequoia 2UZ–FE X X * Readiness Monitor Drive Patterns: 1. 2. 3. 4. 5. 6. Page 8 of 23 EGR (All Except 1FZ–FE Engine) EGR (For 1FZ–FE Engine) Catalyst (O2S Type) Catalyst (AF Sensor Type) EVAP (Internal Pressure Monitor/Non–Intrusive Type) EVAP (Vacuum Pressure Monitor/Intrusive Type) 7. EVAP (Without Leak Detection) 8. EVAP (For Prius) 9. Oxygen Sensor Monitor (Front & Rear O2S System) 10. Oxygen/AF Sensor Monitor (Front AF Sensor & Rear O2S System) 11. Oxygen/AF Sensor Heater Monitor READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Pattern Application Tables (Continued) March 29, 2002 DRIVE PATTERN NUMBER* O2S/AF MODEL YEAR DRIVE TRAIN EGR 1 2 3 4 5 6 7 8 9 10 HTR 11 ENGINE ECHO 1NZ–FE X X X X Corolla 1ZZ–FE X X X X X X X X X X X X X X X X MR2 1ZZ–FE N/A 2ZZ–GE 1ZZ–FE 2AZ–FE Camry y 1MZ FE 1MZ–FE X Solara 1MZ FE 1MZ–FE Camry CNG 5S–FNE Avalon 1MZ–FE Prius 1NZ-FXE RAV4 1AZ–FE High Highlander 2AZ–FE Sienna Tacoma 4Runner Tundra X ATM X X X X X X X X X X X ATM X X X X X X X X X MTM X X MTM 2AZ–FE 2002 SENSOR EVAP MODEL Celica CATEGORY CATALYST X X N/A N/A X X X X X X X X X X X X X X X X X X X X X X 1MZ–FE X X X X 1MZ–FE X X X X N/A 2RZ–FE X X X X X 3RZ–FE X X X X X 5VZ–FE X X X X 5VZ–FE X X X X X 5VZ–FE 2UZ–FE X N/A X X X X X X X X X X X Land Cruiser 2UZ–FE X Sequoia 2UZ–FE X X * Readiness Monitor Drive Patterns: 1. 2. 3. 4. 5. 6. EGR (All Except 1FZ–FE Engine) EGR (For 1FZ–FE Engine) Catalyst (O2S Type) Catalyst (AF Sensor Type) EVAP (Internal Pressure Monitor/Non–Intrusive Type) EVAP (Vacuum Pressure Monitor/Intrusive Type) 7. EVAP (Without Leak Detection) 8. EVAP (For Prius) 9. Oxygen Sensor Monitor (Front & Rear O2S System) 10. Oxygen/AF Sensor Monitor (Front AF Sensor & Rear O2S System) 11. Oxygen/AF Sensor Heater Monitor Page 9 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Patterns: EGR Monitors March 29, 2002 DRIVE PATTERN NO. 1: EGR Monitor (All Except 1FZ–FE Engine) 43 – 56 mph (70 – 90 km/h) Idling IG SW off Warm up 10 min (a) 3 – 5 min (b) 3 – 5 min (c) 3 – 5 min 3 – 5 min (d) Preconditions The monitor will not run unless: S MIL is OFF. S Altitude is 7800 feet (2400 m) or less. S IAT (Intake Air) is 14_F (–10_C) or greater. Drive Pattern Procedure Connect the OBDII Scantool to the DLC3 connector to check monitor status and preconditions. a. If IAT (Intake Air) is less than 50_F (10_C) when starting the engine, idle the engine for approximately 10 minutes. b. Drive the vehicle at 43 – 56 mph (70 – 90 km/h) for a period of 3 – 5 minutes. NOTE: S Do not allow the Throttle Position (TP) to exceed 30%. S Drive with smooth throttle operation and avoid sudden acceleration. c. Stop the vehicle and let the engine idle for 3 – 5 minutes. d. Repeat steps “b” and “c” once. If readiness status does not switch to “complete,” ensure preconditions are met, turn the ignition OFF, then repeat steps “b” through “d.” NOTE: The readiness status may not switch to “complete” after the first drive pattern trip if a Pending Code has been set (first trip for a two–trip DTC). S Pending Codes are available from the DTC Info Menu in Enhanced OBDII. S Pending Codes indicate a POTENTIAL problem was detected. A second trip is needed to confirm the DTC prior to diagnosis. S Once a second trip is completed, a current DTC will be stored. Page 10 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Patterns: EGR Monitors (Continued) March 29, 2002 DRIVE PATTERN NO. 2: EGR Monitor (for 1FZ–FE Engine) 43 – 56 mph (70 – 90 km/h) Idling IG SW off 3 – 5 min (a) 3 – 5 min (b) 3 – 5 min 3 – 5 min (c) Preconditions The monitor will not run unless: S MIL is OFF. S Altitude is 7800 feet (2400 m) or less. S IAT (Intake Air) is 14_F (–10_C) or greater. S ECT (Coolant Temp) is less than 104_F (40_C). Drive Pattern Procedure Connect the OBDII Scantool to DLC3 to check monitor status and preconditions. a. Start the engine and as soon as safely possible begin driving the vehicle at 43 – 56 mph (70 – 90 km/h) for a period of 3 – 5 minutes. NOTE: S Do not allow the Throttle Position (TP) to exceed 30%. S Drive with smooth throttle operation and avoid sudden acceleration. b. Stop the vehicle and let the engine idle for 3 – 5 minutes. c. Repeat steps “a” and “b” once. If readiness status does not switch to “complete,” ensure preconditions are met, turn the ignition OFF, then repeat steps “a” through “c.” NOTE: The readiness status may not switch to “complete” after the first drive pattern trip if a Pending Code has been set (first trip for a two–trip DTC). S Pending Codes are available from the DTC Info Menu in Enhanced OBDII. S Pending Codes indicate a POTENTIAL problem was detected. A second trip is needed to confirm the DTC prior to diagnosis. S Once a second trip is completed, a current DTC will be stored. Page 11 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Patterns: Catalyst Monitors March 29, 2002 DRIVE PATTERN NO. 3: Catalyst Monitor (O2S Type) 40 – 50 mph (64 – 88 km/h) 35 – 45 mph (56 – 72 km/h) Idling IG SW off Warm up ECT≥176_F IAT < 50_F = 7 min IAT > 50_F = 3 min (a) 7 min (b) Preconditions The monitor will not run unless: S MIL is OFF. S ECT (Coolant Temp) is 176_F (80_C) or greater. S IAT (Intake Air) is 14_F (–10_C) or greater.* * For 2002 MY and later vehicles: The readiness test can be completed in cold ambient conditions (less than 14_F / –10_C), if the drive pattern is repeated a second time after cycling the ignition OFF. Drive Pattern Procedure Connect the OBDII Scantool to DLC3 to check monitor status and preconditions. Note the IAT (Intake Air) value during engine startup. The driving time must be adjusted during step “a” based upon IAT (Intake Air) value at startup. a. Drive the vehicle at 40 – 55 mph (64 – 88 km/h) for the time described below: S If IAT (Intake Air) was less than 50_F (10_C) when the engine was started, drive for 7 minutes. S If IAT (Intake Air) was greater than 50_F (10_C) when the engine was started, drive for 3 minutes. b. Drive the vehicle at 35 – 45 mph (56 – 72 km/h) for approximately 7 minutes. NOTE: S Drive with smooth throttle operation. S Avoid sudden acceleration. S Avoid sudden deceleration as much as possible with the throttle fully closed. If readiness status does not switch to “complete,” ensure preconditions are met, turn the ignition OFF, then repeat steps “a” and “b.” NOTE: The readiness status may not switch to “complete” after the first drive pattern trip if a Pending Code has been set (first trip for a two–trip DTC). S Pending Codes are available from the DTC Info Menu in Enhanced OBDII. S Pending Codes indicate a POTENTIAL problem was detected. A second trip is needed to confirm the DTC prior to diagnosis. S Once a second trip is completed, a current DTC will be stored. Page 12 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Patterns: Catalyst Monitors (Continued) March 29, 2002 DRIVE PATTERN NO. 4: Catalyst Monitor (AF Sensor Type) 40 – 50 mph (64 – 88 km/h) 35 – 45 mph (56 – 72 km/h) Idling IG SW off Warm up ECT≥176_F IAT < 50_F = 7min IAT > 50_F = 3min (a) 16 min (b) Preconditions The monitor will not run unless: S MIL is OFF. S ECT (Coolant Temp) is 176_F (80_C) or greater. S IAT (Intake Air) is 14_F (–10_C) or greater.* * For 2002 MY and later vehicles: The readiness test can be completed in cold ambient conditions (less than 14_F / –10_C), if the drive pattern is repeated a second time after cycling the ignition OFF. Drive Pattern Procedure Connect the OBDII Scantool to DLC3 to check monitor status and preconditions. Note the IAT (Intake Air) value during engine startup. The driving time must be adjusted during step “a” based upon IAT (Intake Air) value at startup. a. Drive the vehicle at 40 – 55 mph (64 – 88 km/h) for the time described below: S If IAT (Intake Air) was less than 50_F (10_C) when the engine was started, drive for 7 minutes. S If IAT (Intake Air) was greater than 50_F (10_C) when the engine was started, drive for 3 minutes. b. Drive the vehicle allowing speed to fluctuate between 35 – 45 mph (56 – 72 km/h) for about 16 minutes. NOTE: S Drive with smooth throttle operation. S Avoid sudden acceleration. S Avoid sudden deceleration as much as possible with the throttle fully closed. If readiness status does not switch to “complete,” ensure preconditions are met, turn the ignition OFF, then repeat steps “a” and “b.” NOTE: The readiness status may not switch to “complete” after the first drive pattern trip if a Pending Code has been set (first trip for a two–trip DTC). S Pending Codes are available from the DTC Info Menu in Enhanced OBDII. S Pending Codes indicate a POTENTIAL problem was detected. A second trip is needed to confirm the DTC prior to diagnosis. S Once a second trip is completed, a current DTC will be stored. Page 13 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Patterns: EVAP Monitors March 29, 2002 DRIVE PATTERN NO. 5: EVAP Monitor (Internal Pressure Monitor/Non–Intrusive Type) 45 mph (72 km/h) 25 mph (40 km/h) Idling IG SW off Warm up ECT≥176_F (1a) Soak (1b) Cold Soak 5 min (2a) 15 min (2b) Drive Pattern Cold Soak Preconditions The monitor will not run unless: S MIL is OFF. S Fuel level is between 1/2 to 3/4 full (for faster completion). S Altitude is 7800 feet (2400 m) or less. IMPORTANT: A cold soak must be performed prior to conducting the drive pattern to complete the Internal Pressure Readiness Monitor. Cold Soak Procedure 1a. Start the engine and allow ECT (Coolant Temp) to reach 176_F (80_C) or greater. (This can be done by letting the engine idle or by driving the vehicle.) 1b. Let the vehicle cold soak for 8 hours or until the difference between IAT (Intake Air) and ECT (Coolant Temp) is less than 13_F (7_C). H Example 1 S ECT (Coolant Temp) = 75_F (24_C). S IAT (Intake Air) = 60_F (16_C). S Difference between ECT (Coolant Temp) and IAT (Intake Air) is 15_F (8_C). ⇒ The monitor will not run because the difference between ECT (Coolant Temp) and IAT (Intake Air) is greater than 13_F (7_C). H Example 2 S ECT (Coolant Temp) = 70_F (21_C). S IAT (Intake Air) = 68_F (20_C). S Difference between ECT (Coolant Temp) and IAT (Intake Air) is 2_F (1_C). ⇒ The monitor will run because the difference between ECT (Coolant Temp) and IAT (Intake Air) is less than 13_F (7_C). Page 14 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Patterns: EVAP Monitors (Continued) March 29, 2002 Drive Pattern Preconditions The monitor will not run unless: S MIL is OFF. S Fuel level is between 1/2 to 3/4 full (for faster completion). S Altitude is 7800 feet (2400 m) or less. S ECT (Coolant Temp) is between 40_F and 95_F (4.4_C – 35_C). S IAT (Intake Air) is between 40_F and 95_F (4.4_C – 35_C). S Cold Soak Procedure has been completed. NOTE: Before starting the engine, the difference between ECT (Coolant Temp) and IAT (Intake Air) must be less than 13_F (7_C). (Refer to Examples 1 and 2 on previous page.) Drive Pattern Procedure S Connect the OBDII Scantool to DLC3 to check monitor status and preconditions. S Release the pressure in the fuel tank by removing and then reinstalling the fuel tank cap. S Start the engine and begin driving as directed. NOTE: S Do not turn the ignition off until the drive pattern is complete. S Drive on smooth roads to reduce excessive fuel sloshing. 2a. Start the engine and as soon as safely possible begin driving at approximately 45 mph (72km/h) for 5 minutes. (See illustration on previous page.) 2b. Drive the vehicle at approximately 25 mph (40 km/h) for 15 minutes and include a minimum of two stops for approximately 30 seconds. (See illustration on previous page.) The monitor should complete within approximately 20 minutes. If it does not, ensure preconditions are met and repeat the drive pattern process beginning with the Cold Soak Procedure. NOTE: The readiness status may not switch to “complete” after the first drive pattern trip if a Pending Code has been set (first trip for a two–trip DTC). S Pending Codes are available from the DTC Info Menu in Enhanced OBDII. S Pending Codes indicate a POTENTIAL problem was detected. A second trip is needed to confirm the DTC prior to diagnosis. S Once a second trip is completed, a current DTC will be stored. Page 15 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Patterns: EVAP Monitors (Continued) March 29, 2002 DRIVE PATTERN NO. 6: EVAP Monitor (Vacuum Pressure Monitor/Intrusive Type) 3,000 rpm Idling IG SW off Soak (1a) Warm up (2a) 10 sec (2b) 15 –50 min (When the Readiness Monitor or DTC is set, this test is complete.) (2c) Cold Soak Preconditions The monitor will not run unless: S MIL is OFF. S Fuel level is between 1/2 to 3/4 full (for faster completion). S Altitude is 7800 feet (2400 m) or less. Cold Soak Procedure 1a. Let the vehicle cold soak for 8 hours or until the difference between IAT (Intake Air) and ECT (Coolant Temp) is less than 13_F (7_C). H Example 1 S ECT (Coolant Temp) = 75_F (24_C). S IAT (Intake Air) = 60_F (16_C). S Difference between ECT (Coolant Temp) and IAT (Intake Air) is 15_F (8_C). ⇒ The monitor will not run because the difference between ECT (Coolant Temp) and IAT (Intake Air) is greater than 13_F (7_C). H Example 2 S ECT (Coolant Temp) = 70_F (21_C). S IAT (Intake Air) = 68_F (20_C). S Difference between ECT (Coolant Temp) and IAT (Intake Air) is 2_F (1_C). ⇒ The monitor will run because the difference between ECT (Coolant Temp) and IAT (Intake Air) is less than 13_F (7_C). Page 16 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Patterns: EVAP Monitors (Continued) March 29, 2002 Drive Pattern Preconditions The monitor will not run unless: S MIL is OFF. S Fuel level is between 1/2 to 3/4 full (for faster completion). S Altitude is 7800 feet (2400 m) or less.* S ECT (Coolant Temp) is between 40_F and 95_F (4.4_C – 35_C). S IAT (Intake Air) is between 40_F and 95_F (4.4_C – 35_C).* S Cold Soak Procedure has been completed. * For 2002 MY and later vehicles: The readiness test can be completed in cold ambient conditions (less than 40_F / 4.4_C) and/or at high altitudes (more than 7800 feet / 2400 m) if the complete drive pattern (including Cold Soak) is repeated a second time after cycling the ignition OFF. NOTE: Before starting the engine, the difference between ECT (Coolant Temp) and IAT (Intake Air) must be less than 13_F (7_C). (Refer to Examples 1 and 2 on previous page.) Drive Pattern Procedure S Connect the OBDII Scantool to DLC3 to check monitor status and preconditions. S Release the pressure in the fuel tank by removing and then reinstalling the fuel tank cap. 2a. Start the engine and allow it to idle until ECT (Coolant Temp) is 167_F (75_C) or greater. (See illustration on previous page.) 2b. Race the engine at 3,000 rpm for approximately 10 seconds. (See illustration on previous page.) 2c. Allow the engine to idle with the A/C ON (to create a slight load) for 15 – 50 minutes. (See illustration on previous page.) NOTE: If the vehicle is not equipped with A/C put a slight load on the engine by doing the following: S Securely set the parking brake. S Block the drive wheels with wheel chocks. S Allow the vehicle to idle in drive for 15 – 50 minutes. NOTE: The readiness status may not switch to “complete” after the first drive pattern trip if a Pending Code has been set (first trip for a two–trip DTC). S Pending Codes are available from the DTC Info Menu in Enhanced OBDII. S Pending Codes indicate a POTENTIAL problem was detected. A second trip is needed to confirm the DTC prior to diagnosis. S Once a second trip is completed, a current DTC will be stored. Page 17 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Patterns: EVAP Monitors (Continued) March 29, 2002 DRIVE PATTERN NO. 7: EVAP Monitor (Without Leak Detection) 43 – 56 mph (70 – 90 km/h) Idling IG SW off Warm up ECT≥181_F 3 – 5 min (a) 3 – 5 min (b) 3 – 5 min 3 – 5 min (c) Preconditions The monitor will not run unless: S MIL is OFF. S Altitude is 7800 feet (2400 m) or less. S ECT (Coolant Temp) is 181_F (83_C) or greater. S IAT (Intake Air) is 41_F (5_C) or greater. Drive Pattern Procedure Connect the OBDII Scantool to DLC3 to check monitor status and preconditions. a. Drive the vehicle at 43 – 56 mph (70 – 90 km/h) for a period of 3 – 5 minutes. NOTE: S Do not allow the Throttle Position (TP) to exceed 30%. S Drive with smooth throttle operation and avoid sudden acceleration. b. Stop the vehicle and let the engine idle for 3 – 5 minutes. c. Repeat steps “a” and “b” once. If readiness status does not switch to “complete,” ensure preconditions are met, turn the ignition OFF, then repeat steps “a” through “c.” NOTE: The readiness status may not switch to “complete” after the first drive pattern trip if a Pending Code has been set (first trip for a two–trip DTC). S Pending Codes are available from the DTC Info Menu in Enhanced OBDII. S Pending Codes indicate a POTENTIAL problem was detected. A second trip is needed to confirm the DTC prior to diagnosis. S Once a second trip is completed, a current DTC will be stored. Page 18 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Patterns: EVAP Monitors (Continued) March 29, 2002 DRIVE PATTERN NO. 8: EVAP Monitor (For Prius) 50 – 65 mph (80 – 104 km/h) Idling IG SW off Soak (1a) 15 min (When the Readiness Monitor or DTC is set, this test is complete.) (2a) Cold Soak Preconditions The monitor will not run unless: S MIL is OFF. S Altitude is 7800 feet (2400 m) or less. IMPORTANT: A cold soak must be performed prior to conducting the drive pattern to complete the Internal Pressure Readiness Monitor. Cold Soak Procedure 1a. Let the vehicle cold soak for 8 hours or until the difference between IAT (Intake Air) and ECT (Coolant Temp) is less than 13_F (7_C). H Example 1 S ECT (Coolant Temp) = 75_F (24_C). S IAT (Intake Air) = 60_F (16_C). S Difference between ECT (Coolant Temp) and IAT (Intake Air) is 15_F (8_C). ⇒ The monitor will not run because the difference between ECT (Coolant Temp) and IAT (Intake Air) is greater than 13_F (7_C). H Example 2 S ECT (Coolant Temp) = 70_F (21_C). S IAT (Intake Air) = 68_F (20_C). S Difference between ECT (Coolant Temp) and IAT (Intake Air) is 2_F (1_C). ⇒ The monitor will run because the difference between ECT (Coolant Temp) and IAT (Intake Air) is less than 13_F (7_C). Page 19 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Patterns: EVAP Monitors (Continued) March 29, 2002 Drive Pattern Preconditions The monitor will not run unless: S MIL is OFF. S Altitude is 7800 feet (2400 m) or less. S ECT (Coolant Temp) is between 40_F and 95_F (4.4_C – 35_C). S IAT (Intake Air) is between 40_F and 95_F (4.4_C – 35_C).* S Cold Soak Procedure has been completed. NOTE: Before starting the engine, the difference between ECT (Coolant Temp) and IAT (Intake Air) must be less than 13_F (7_C). (Refer to Examples 1 and 2 on previous page.) Drive Pattern Procedure S Connect the OBDII Scantool to DLC3 to check monitor status and preconditions. S Release the pressure in the fuel tank by removing and then reinstalling the fuel tank cap. S Start the engine and as soon as safely possible begin driving as directed. 2a. Drive the vehicle at 50 – 65 mph (80 – 104 km/h) for about 15 minutes. (See illustration on previous page.) NOTE: S Do not turn the ignition off until the drive pattern is complete. S Drive on smooth roads to reduce excessive fuel sloshing. If vehicle speed drops under 45 mph (72 km/h) repeat step “2a.” Page 20 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Patterns: Oxygen Monitors March 29, 2002 DRIVE PATTERN NO. 9: Oxygen Sensor Monitor (Front and Rear O2S System) Once Twice 3 times 10 times 25 mph (40 km/h) (over 900 rpm) Idling IG SW off Over 2 min (a) Over 50 sec (b) Over 40 sec (c) Over 50 sec Over 40 sec 50 sec 40 sec 50 sec (d) Preconditions The monitor will not run unless: S MIL is OFF. Drive Pattern Procedure Connect the OBDII Scantool to DLC3 to check monitor status and preconditions. a. Start the engine and allow it to idle for 2 minutes or more. b. Drive the vehicle at 25 mph (40 km/h) or more for at least 50 seconds. Be sure engine speed remains above 900 rpm. c. Stop the vehicle and allow the engine to idle for 40 seconds or more. d. Perform steps “b” and “c” ten times. If readiness status does not switch to “complete,” ensure preconditions are met, turn the ignition OFF, then repeat steps “a” through “d.” NOTE: The readiness status may not switch to “complete” after the first drive pattern trip if a Pending Code has been set (first trip for a two–trip DTC). S Pending Codes are available from the DTC Info Menu in Enhanced OBDII. S Pending Codes indicate a POTENTIAL problem was detected. A second trip is needed to confirm the DTC prior to diagnosis. S Once a second trip is completed, a current DTC will be stored. Page 21 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Patterns: Oxygen Monitors (Continued) March 29, 2002 DRIVE PATTERN NO. 10: Oxygen/Air Fuel Ratio Sensor Monitor (Front AF Sensor and Rear O2S System) 40 – 70 mph (64 – 112 km/h) (900 – 3,200 rpm) Once 25 mph (40 km/h) (over 900 rpm) Twice 10 times Over 40 sec 40 sec Idling IG SW off Over 2 min (a) Over 3 min (b) Over 40 sec (d) Over Over 10 sec 10 sec (c) (e) Over 10 sec (f) Preconditions The monitor will not run unless: S MIL is OFF. Drive Pattern Procedure Connect the OBDII Scantool to DLC3 to check monitor status and preconditions. a. Start the engine and allow it to idle for 2 minutes or more. b. Drive the vehicle at 40 – 70 mph (64 – 112 km/h) or more for at least 3 minutes. Be sure to maintain engine speed between 900 and 3,200 rpm. c. Stop the vehicle and allow the engine to idle for 10 seconds or more. d. Drive the vehicle at 25 mph (40 km/h) for at least 40 seconds or more. Be sure to maintain engine speed above 900 rpm. e. Stop the vehicle and allow the engine to idle for 10 seconds or more. f. Perform steps “d” and “e” ten times. If readiness status does not switch to “complete,” ensure preconditions are met, turn the ignition switch OFF, then repeat steps “a” through “f.” NOTE: The readiness status may not switch to “complete” after the first drive pattern trip if a Pending Code has been set (first trip for a two–trip DTC). S Pending Codes are available from the DTC Info Menu in Enhanced OBDII. S Pending Codes indicate a POTENTIAL problem was detected. A second trip is needed to confirm the DTC prior to diagnosis. S Once a second trip is completed, a current DTC will be stored. Page 22 of 23 READINESS MONITOR DRIVE PATTERNS – EG003-02 Revised Readiness Monitor Drive Patterns: Oxygen Monitors (Continued) March 29, 2002 DRIVE PATTERN NO. 11: Oxygen/AF Sensor Heater Monitor 25 mph (40 km/h) Idling IG SW off 9 min (a) 2 min (b) Preconditions The monitor will not run unless: S MIL is OFF. Drive Pattern Procedure Connect the OBDII Scantool to DLC3 to check monitor status and preconditions. a. Start the engine and allow it to idle for 9 minutes. b. Drive the vehicle at 25 mph (40 km/h) or more for at least 2 minutes. If readiness status does not switch to “complete,” ensure preconditions are met, turn the ignition OFF, then repeat steps “a” and “b.” NOTE: The readiness status may not switch to “complete” after the first drive pattern trip if a Pending Code has been set (first trip for a two–trip DTC). S Pending Codes are available from the DTC Info Menu in Enhanced OBDII. S Pending Codes indicate a POTENTIAL problem was detected. A second trip is needed to confirm the DTC prior to diagnosis. S Once a second trip is completed, a current DTC will be stored. Page 23 of 23
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