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2007 > 2.7L V6 GASOLINE >
DIAGNOSIS OF IMMOBILIZER FAULTS
a. Communication between the PCM(ECM) and the SMARTRA.
b. Function of the SMARTRA and the transponder.
c. Data (stored in the PCM(ECM) related to the immobilizer function.
The following table shows the assignment of immobilizer related faults to each type:
Immobilizer Related Faults
PCM(ECM) fault
Transponder key fault
Transponder key fault
SMARTRA fault
SMARTRA fault
Antenna coil fault
Immobilizer indicator lamp
fault
Transponder key fault
PCM(ECM) fault
PCM(ECM) internal
permanent memory
(EEPROM) fault
Invalid key fault
Hi-Scan fault
Locked by timer
IMMOBILIZER (SMARTRA) DTC LIST
No.
Fault code
1
P1674
2
P1675
a. Non-Immobilizer-EMS connected to an Immobilizer
a. Transponder not in password mode
b. Transponder transport data has been changed.
a. Transponder programming error
a. Invalid message from SMARTRA to PCM(ECM)
a. No response from SMARTRA
b. Antenna coil error
c. Communication line error (Open/Short etc.)
d. Invalid message from SMARTRA to PCM(ECM)
a. Antenna coil open/short circuit
a. Immobilizer indicator lamp error (Cluster)
a. Corrupted data from transponder
b. More than one transponder in the magnetic field
(Antenna coil)
c. No transponder (Key without transponder) in the
magnetic field (Antenna coil)
a. Request from PCM(ECM) is invalid
(Protocol layer violation- Invalid request, check sum
error etc.)
a. PCM(ECM) internal permanent memory (EEPROM)
fault
b. Invalid write operation to permanent memory
(EEPROM)
a. Virgin transponder at PCM(ECM) status "Learnt"Learnt
(Invalid) Transponder at PCM(ECM) status
"Learnt"(Authentication fail)
a. Hi-Scan message error
a. Exceeding the maximum limit of Twice IGN ON (⊇ 32
times)
Monitor strategy description
Transponder status error
Transponder programming error
Fault types
Diagnostic codes
P1610
P1674
(Transponder status error)
P1675
(Transponder programming
error)
P1676
(SMARTRA message error)
P1690
(SMARTRA no response)
P1691
(Antenna coil error)
P1692
(Immobilizer lamp error)
P1693
(Transponder no response
error/invalid response)
P1694
(PCM(ECM) message error)
P1695
(PCM(ECM) memory error)
P1696
(Authentication fail)
P1697
P1699
(Twice IG ON over trial)
Gasoline
Diesel
O
-
O
O
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