Robert Bosch SMARTRA32 CAR IMMOBILIZER User Manual

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Immobilizer System
Circuit Diagram
SHDBE6543L
Description
The immobilizer system will disable the vehicle unless
the proper ignition key is used, in addition to the currently
available anti-theft systems such as car alarms, the
immobilizer system aims to drastically reduce the rate of
auto theft.
1. Encrypted SMARTRA type immobilizer
The SMARTRA system consists of a passivie
challenge
response
(mutual
authentication)transponder located in the ignition
key, an antenna coil, a encoded SMARTRA unit,
an indicator light and the PCM(ECM).
The SMARTRA communicates to the PCM(ECM)
(Engine Control Module) via a dedicated
communications line. Since the vehicle engine
management system is able to control engine
mobilization, it is the most suitable unit to control
the SMARTRA.
When the key is inserted in the ignition and
turned to the ON position, the antenna coil sends
power to the transponder in the ignition key. The
transponder then sends a coded signal back
through the SMARTRA unit to the PCM(ECM).
If the proper key has been used, the PCM(ECM)
will energize the fuel supply system. The
immobilizer indicator light in the cluster will
simultaneously come on for more than five
seconds, indicating that the SMARTRA unit has
recognized the code sent by the transponder.
If the wrong key has been used and the code was
not received or recognized by the PCM(ECM) the
indicator light will continue blinking for about five
seconds until the ignition switch is turned OFF.
If it is necessary to rewrite the PCM(ECM) to
learn a new key, the dealer needs the customer's
vehicle, all its keys and the Hi-scan (pro)
equipped with an immobilizer program card. Any
key that is not learned during rewriting will no
longer start the engine.
The immobilizer system can store up to eight key
codes.
If the customer has lost his key, and cannot start
the engine, contact Hyundai motor service station.
communication by the SMARTRA device. And, the
received messages from the PCM(ECM) are converted
into an RF signal, which is transmitted to the transponder
by the antenna.
The SMARTRA does not carry out the validity check of
the transponder or the calculation of encryption
algorithm. This device is only an advanced interface,
which converts the RF data flow of the transponder into
serial communication to the PCM(ECM) and vice versa.
SFDBE8404L
Components Operations
PCM (Power Train Control Module)
1. The PCM(ECM) (A) carries out a check of the ignition
key using a special encryption algorithm, which is
programmed into the transponder as well as the
PCM(ECM) simultaneously. Only if the results are
equal, the engine can be started. The data of all
transponders, which are valid for the vehicle, are
stored in the PCM(ECM).
ERN (Encrypted Randorn Number) value between
EMS and encrypted smartra unit is checked and the
validity of coded key is decided by EMS.
SFDBE8221L
TRANSPONDER (Built-in keys)
The transponder has an advanced encryption algorithm.
During the key teaching procedure, the transponder will
be programmed with vehicle specific data. The vehicle
specific data are written into the transponder memory.
The write procedure is once only; therefore, the contents
of the transponder can never be modified or changed.
SEDBE7547L
ENCRYPTED SMARTRA unit (A)
The SMARTRA carries out communication with the
built-in transponder in the ignition key. This wireless
communication runs on RF (Radio frequency of 125
kHz). The SMARTRA is mounted behind of the crash pad
close to center cross bar.
The RF signal from the transponder, received by the
antenna coil, is converted into messages for serial
SHDBE6540D
Antenna coil
The antenna coil (A) has the following functions.
The antenna coil supplies energy to the transponder.
The antenna
transponder.
The antenna coil sends transponder signal to the
SMARTRA.
coil
receives
signal
from
the
It is located directly in front of the steering handle
lock.
authentication required for confirmation of the
teaching process. The successful programming is
then confirmed by a message to the tester.
If the key is already known to the PCM(ECM) from a
previous teaching, the authentication will be accepted
and the EEPROM data are updated. There is no
changed transponder content (this is impossible for a
learnt transponder).
The attempt to repeatedly teach a key, which has
been taught already during the same teaching cycle,
is recognized by the PCM(ECM). This rejects the key
and a message is sent to the tester.
The PCM(ECM) rejects invalid keys, which are
presented for teaching. A message is sent to the
tester. The key can be invalid due to faults in the
transponder or other reasons, which result from
unsuccessful programming of data. If the PCM(ECM)
detects different authenticators of a transponder and
an PCM(ECM), the key is considered to be invalid.
SEDBE7541L
The maximum number of taught keys is 8
Teaching Procedures
1. Key Teaching Procedure
Key teaching must be done after replacing a
defective PCM(ECM) or when providing additional
keys to the vehicle owner.
The procedure starts with an PCM(ECM) request for
vehicle specific data (PIN code: 6digits) from the
tester. The "virgin" PCM(ECM) stores the vehicle
specific data and the key teaching can be started.
The "learnt" PCM(ECM) compares the vehicle
specific data from the tester with the stored data. If
the data are correct, the teaching can proceed.
If incorrect vehicle specific data have been sent to
the PCM(ECM) three times, the PCM(ECM) will reject
the request of key teaching for one hour. This time
cannot be reduced by disconnecting the battery or
any other manipulation. After reconnecting the
battery, the timer starts again for one hour.
The key teaching is done by ignition on with the key
and additional tester commands. The PCM(ECM)
stores the relevant data in the EEPROM and in the
transponder. Then the PCM(ECM) runs the
If an error occurs during the Immobilizer Service
Menu, the PCM(ECM) status remains unchanged and
a specific fault code is stored.
If the PCM(ECM) status and the key status do not
match for teaching of keys, the tester procedure will
be stopped and a specific fault code will be stored at
PCM(ECM).
NOTICE
When teaching the 1st key, Smartra regists at the
same time.
SHDBE8002N
SHDBE8003N
SHDBE8004N
SFDBE8405L
1) PCM(ECM) learnt status.
SHDBE8005N
SHDBE8008N
2) PCM(ECM) virgin status.
After replacing new "PCM(ECM)" scantool
displays that PCM(ECM) is virgin status in Key
Teaching mode.
"VIRGIN" status means that PCM(ECM) has not
matched any PIN code before.
SHDBE8006N
SHDBE8009N
SHDBE8007N
SHDBE8015N
2. User Password Teaching Procedure
The user password for limp home is taught at the
service station. The owner of the vehicle can select a
number with four digits.
The user password teaching is only accepted by a
"learnt" PCM(ECM). Before first teaching of user
password to an PCM(ECM), the status of the
password is "virgin" No limp home function is
possible.
SHDBE8010N
The teaching is started by ignition on, with a valid
key(learnt key) and sending the user password by
tester. After successful teaching, the status of the
user password changes from "virgin" to "learnt"
The learnt user password can also be changed. This
can be done if the user password status is "learnt"
and the tester sends authorization of access, either
the old user password or the vehicle specific data.
After correct authorization, the PCM(ECM) requests
the new user password. The status remains "learnt"
and the new user password will be valid for the next
limp home mode.
SHDBE8016N
If wrong user passwords or wrong vehicle specific
data have been sent to the PCM(ECM) three times
continuously or intermittently, the PCM(ECM) will
reject the request to change the password for one
hour. This time cannot be reduced by disconnecting
the battery or any other actions. After reconnecting
the battery, the timer starts again for one hour.
1) User password teaching
SHDBE8017N
SHDBE8011N
SHDBE8012N
SHDBE8036N
※ In case of putting wrong password, retry from
first step after 10 seconds.
2) User password changing
SHDBE8013N
SHDBE8018N
SHDBE8014N
SHDBE8019N
SHDBE8020N
SHDBE8023N
Limp Home Function
1. LIMP HOME BY TESTER
If the PCM(ECM) detects the fault of the SMARTRA
or transponder, the PCM(ECM) will allow limp home
function of the immobilizer. Limp home is only
possible if the user password (4 digits) has been
given to the PCM(ECM) before. This password can
be selected by the vehicle owner and is programmed
at the service station.
The user password can be sent to the PCM(ECM) via
the special tester menu.
SHDBE8021N
Only if the PCM(ECM) is in status "learnt" and the
user password status is "learnt" and the user
password is correct, the PCM(ECM) will be unlocked
for a period of time (30 sec.). The engine can only be
started during this time. After the time has elapsed,
engine start is not possible.
If the wrong user password is sent, the PCM(ECM)
will reject the request of limp home for one hour.
Disconnecting the battery or any other action cannot
reduce this time. After connecting the battery to the
PCM(ECM), the timer starts again for one hour.
SHDBE8022N
SHDBE8029N
SHDBE8032N
2. LIMP HOME BY IGNITION KEY
The limp home can be activated also by the ignition
key. The user password can be input to the
PCM(ECM) by a special sequence of ignition on/off.
Only if the PCM(ECM) is in status "learnt" and the
user password status is "learnt" and the user
password is correct, the PCM(ECM) will be unlocked
for a period of time (30 sec.). The engine can be
started during this time. After the time has elapsed,
engine start is not possible. After a new password
has been input, the timer (30 sec.) will start again.
SHDBE8030N
SHDBE8031N
After ignition off, the PCM(ECM) is locked if the timer
has elapsed 8 seconds. For the next start, the input
of the user password is requested again.
LTIF740N
Replacement
Problems And Replacement Parts:
Problem
Scan to ol requir ed?
Part set
All keys have been lBlank key (4)
ost
YES
Antenna coil unit doAntenna coil unit
es not work
NO
ECM does not work
YES
PCM(ECM)
Ignition switch does Ignition switch with
not work
Antenna coil unit
YES
Unidentified vehicle
Key, PCM(ECM)
specific data occurs
YES
SMARTRA unit does
SMARTRA unit
not work
YES
Replacement Of Ecm And Smartra
SEDBE7592L
In case of a defective ECM, the unit has to be replaced
with a "virgin" or "neutral" ECM. All keys have to be
taught to the new ECM. Keys, which are not taught to the
ECM, are invalid for the new ECM (Refer to key teaching
procedure). The vehicle specific data have to be left
unchanged due to the unique programming of
transponder.
2. Things to remember before a replacement (Keys ＆
Additional registration)
In case of a defective SMARTRA, it needs teaching the
smartra. A new SMARTRA device replaces the old one
and smartra need teaching.
1. Things to remember
(PCM(ECM))
before
replacement
SFDBE8406L
NOTICE
1. When there is only one key registered and you
wish to register another key, you need to
re-register the key which was already registered.
2. When the key #1 is registered and master key #2
is not registered, Put the key #1 in the IG/ON or
the start position and remove it. The engine can
be started with the unregistered key #2.
the battery the timer starts again for one hour.
(Note that key #2 must be used within 10
seconds of removing key #1)
•
3. When the key #1 is registered and key #2 is not
registered, put the unregistered master key #2 in
the IG/ON or the start position.
The engine cannot be started even with the
registered key #1.
NOTICE
Neutralizing setting condition
In case of PCM(ECM) status "Learnt" regardless
of user password "Virgin or Learnt"
Input correct PIN code by scanner.
Neutralizing meaning .
4. When you inspect the immobilizer system, refer
to the above paragraphs 1, 2 and 3.
Always remember the 10 seconds zone.
5. If the pin code
password are entered
incorrectly on three consecutive inputs, the
system will be locked for one hour.
•
: PIN code (6)
user password (4) deletion.
: Locking of
permission)
ECM
(except
key
teaching
Neutralizing meaning:
User P/Word(4) deletion
PIN Code(6)
Locking of EMS(except Key Learning permission)
6. Be cautious not to overlap the transponder
areas.
7. Problems can occur at key registration or vehicle
starting if the transponders should overlap.
Neutralising Of ECM
The PCM(ECM) can be set to the "neutral" status by a
tester.
SFDBE8407L
A valid ignition key is inserted and after ignition on is
recorded, the PCM(ECM) requests the vehicle specific
data from the tester. The communication messages are
described at "Neutral Mode" After successfully receiving
the data, the PCM(ECM) is neutralized.
The ECM remains locked. Neither the limp home mode
nor the "twice ignition on" function, is accepted by the
PCM(ECM).
The teaching of keys follows the procedure described for
the virgin PCM(ECM). The vehicle specific data have to
be unchanged due to the unique programming of the
transponder. If data should be changed, new keys with a
virgin transponder are requested.
This function is for neutralizing the PCM(ECM) and Key.
Ex) when lost key, Neutralize the PCM(ECM) then teach
keys.
(Refer to the Things to do when Key ＆ PIN Code the
PCM(ECM) can be set to the "neutral" status by a
scanner.If wrong vehicle specific data have been sent to
SMATRA three times continuously or intermittently, the
SMATRA will reject the request to enter neutral mode for
one hour. Disconnecting the battery or other
manipulation cannot reduce this time. After connecting
SHDBE8024N
SHDBE8025N
SEDBE7577L
Neutralising Of Smartra
The EMS can be set to the status "neutral" by tester
Ignition key (regardlss of key status) is inserted and after
IGN ON.If receiving the correct vehicle password from
GST, SMARTRA can be neutralized.The neutralization of
SMARTRA is possible if DPN is same as the value
inputted by GST.
In case that the SMARTRA status is neutral, the EMS
keeps the lock state. And the start is not possible by
"twice ignition".
SHDBE8026N
In case of chaging the vehicle password, new virgin
transponder must be only used. And in case of virgin key,
after Learning the key of vehicle password, it can be
used.
If wrong vehicle specific data have been sent to
SMATRA three times continuously or intermittently, the
SMATRA will reject the request to enter neutral mode for
one hour. Disconnecting the battery or other
manipulation cannot reduce this time. After connecting
the battery the timer starts again for one hour.
NOTICE
• Neutralizing Setting condition :
SHDBE8027N
•
In case of "SMARTRA status", "Learnt"
Input correct Pin code by tester
Neutralizing meaning :
Vehicle password(DPN Code)
deletion.
Permission of New DPN Learning.
SEK Code
SFDBE8408L
SHDBE8039N
SHDBE8037N
SFDBE8412L
SHDBE8038N
Immobilizer Control Unit
Removal
Installation
1. Disconnect the negative (-) battery terminal.
1. Install the immobilizer control unit and bracket after
connecting the unit connector.
2. Remove the crash pad. (Refer to the Body group "Crash pad").
3. Disconnect the 5P connector of the SMARTRA unit
and then remove the SMARTRA unit (A) and bracket
(B)after loosening a shear bolt (C).
NOTICE
Punch the shear bolt using a centering punch.
And drill its head off with a drill bit.
Becarefull not to damage the SMARTRA unit.
SHDBE8041N
NOTICE
Tighten the shear bolt until the bolt head break
off.
2. Install the crash pad.
Antenna Coil
Removal
Installation
1. Disconnect the negative (-) battery terminal.
1. Install the coil antenna and connect the 6P
connector.
2. Remove the steering clumn upper and lower shrouds
(A). (Refer to the ST group - "Steering column and
shaft").
2. Install the steering column upper and lower shrouds.
SHDBE6590L
3. Disconnect the 6P connector of the coil antenna and
then remove the coil antenna (A) after loosening the
screw.
FCC Compliance Statement
This product has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of
the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment.
This product generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance
with the manufacturer’s instruction manual, may cause harmful interference with radio communications.
Operation of this product in a residential area is likely to cause harmful interference, in which case you will be
required to correct the interference at your own expense.
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.
2) This device must accept any interference received, including interference that may cause undesired operation.
Notice: The FCC regulations provide that changes or modifications not expressly approved by EMC Corporation
could void your authority to operate this equipment.
These limits are designed to provide reasonable protection against harmful interference in a non-residential
installation. However, there is no guarantee that interference will not occur in a particular installation. If this equipment
does cause harmful interference with radio or television reception, which can be determined by turning the equipment
off and on, you are encouraged to try to correct the interference by one or more of the following measures:
SHDBE6591L
•
Reorient or relocate the antenna of the radio/television receiver.
•
Increase the separation between this equipment and the radio/television receiver.
•
Plug the equipment into a different outlet so that the equipment and the radio/television receiver are on
different power mains branch circuits.
•
Consult a representative of EMC Corporation or an experienced radio/television technician for additional
suggestions. For more information about FCC rules and their applicability to the Smartra 3.2 (I001)
Diagnosis Of Immobilizer Faults
Communication
SMARTRA.
between
the
ECM
and
the
Function of the SMARTRA and the transponder.
Data (stored in the ECM related to the immobilizer
function.
The following table shows the assignment of immobilizer
related faults to each type:
Immobilizer Related Faults
Fault types
PCM(ECM) fault
1. Non-Immobilizer-EMS connected to an Immobilizer
Transponder key fault
1. Transponder not in password mode
2. Transponder transport data has been changed.
Diagnostic codes
P1610
P1674
(Transponder status error)
Transponder key fault
1. Transponder programming error
P1675
(Transponder programming
error)
SMARTRA fault
1. Invalid message from SMARTRA to PCM(ECM)
P1676
(SMARTRA message error)
SMARTRA fault
1.
2.
3.
4.
Virgin SMARTRA at learnt EMS
Neutral SMARTRA at learnt EMS
Incorect the Authentication of EMS and SMARTRA
Locking of SMARTRA
P169A
(SMARTRA Authentication fail)
SMARTRA fault
1.
2.
3.
4.
No response from SMARTRA
Antenna coil error
Communication line error (Open/Short etc.)
Invalid message from SMARTRA to PCM(ECM)
Antenna coil fault
1. Antenna coil open/short circuit
Immobilizer indicator lamp f1. Immobilizer indicator lamp error (Cluster)
ault
P1690
(SMARTRA no response)
P1691
(Antenna coil error)
P1692
(Immobilizer lamp error)
Transponder key fault
1. Corrupted data from transponder
2. More than one transponder in the magnetic field (AnteP1693
nna coil)
(Transponder no response
3. No transponder (Key without transponder) in the magnerror/invalid response)
etic field (Antenna coil)
PCM(ECM) fault
1. Request from PCM(ECM) is invalid
P1694
(Protocol layer violation- Invalid request, check sum err(PCM(ECM) message error)
or etc.)
1. PCM(ECM) internal permanent memory (EEPROM) fault
PCM(ECM) internal permanP1695
ent memory (EEPROM) fault 2. Invalid write operation to permanent memory (EEPROM (PCM(ECM) memory error)
Invalid key fault
1. Virgin transponder at PCM(ECM) status "Learnt"Learnt
(Invalid) Transponder at PCM(ECM) status "Learnt"(Authentication fail)
P1696
(Authentication fail)
Locked by timer
1. Exceeding the maximum limit of Twice IGN ON (⊇ 32 times)
P1699
(Twice IG ON over trial)

---

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