DIAGNOSIS OF IMMOBILIZER FAULTS

-	Communication between the ECM and the SMARTRA.

-	Function of the SMARTRA and the transponder.

-	Data (stored in the ECM related to the immobilizer function.

Immobilizer Related Faults	Fault types	Diagnostic codes
PCM(ECM) fault	1. Non-Immobilizer-EMS connected to an Immobilizer	P1610
Transponder key fault	1. Transponder not in password mode 2. Transponder transport data has been changed.	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. Virgin SMARTRA at learnt EMS 2. Neutral SMARTRA at learnt EMS 3. Incorect the Authentication of EMS and SMARTRA 4. Locking of SMARTRA	P169A(SMARTRA Authentication fail)
SMARTRA fault	1. No response from SMARTRA 2. Antenna coil error 3. Communication line error (Open/Short etc.) 4. Invalid message from SMARTRA to PCM(ECM)	P1690 (SMARTRA no response)
Antenna coil fault	1. Antenna coil open/short circuit	P1691 (Antenna coil error)
Immobilizer indicator lamp fault	1. Immobilizer indicator lamp error (Cluster)	P1692 (Immobilizer lamp error)
Transponder key fault	1. Corrupted data from transponder 2. More than one transponder in the magnetic field (Antenna coil) 3. No transponder (Key without transponder) in the magnetic field (Antenna coil)	P1693 (Transponder no response error/invalid response)
PCM(ECM) fault	1. Request from PCM(ECM) is invalid (Protocol layer violation- Invalid request, check sum error etc.)	P1694 (PCM(ECM) message error)
PCM(ECM) internal permanent memory (EEPROM) fault	1. PCM(ECM) internal permanent memory (EEPROM) fault 2. Invalid write operation to permanent memory (EEPROM)	P1695 (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)
Hi-Scan fault	1. Hi-Scan message error	P1697
Locked by timer	1. Exceeding the maximum limit of Twice IGN ON (⊇ 32 times)	P1699 (Twice IG ON over trial)

No.	Fault code	Monitor strategy description	Gasoline (μ-engine)
1	P1610	Non-Immobilizer-EMS connected to an immobilizer	O
2	P1674	Transponder status error	O
3	P1675	Transponder programming error	O
4	P1676	SMARTRA message error	O
5	P169A	SMARTRA fault	O
6	P1690	SMARTRA no response	O
7	P1691	Antenna coil error	O
8	P1692	Immobilizer lamp error	O
9	P1693	Transponder no response error / Invalid response	O
10	P1694	EMS message error	O
11	P1695	EMS memory error	O
12	P1696	Authentication fail	O
13	P1697	HI-SCAN message error	O
14	P1699	Twice overtrial	O