Diagnosis Of Immobilizer; Faults
- Communication between the PCM (ECM) and the SMARTRA.
- Function of the SMARTRA and the transponder.
- Data (stored in the PCM (ECM) related to the immobilizer function.
The following table shows the assignment of immobilizer related faults to each type:
FUNCTION OF SMARTRA AND TRANSPONDER
| Immobilizer Related Faults | Fault types | Diagnostic codes |
|---|---|---|
| Transponder key fault |
|
P1674 (Transponder status error) |
| Transponder key fault |
|
P1675 (Transponder programming error) |
| SMARTRA fault |
|
P1676 (SMARTRA message error) |
| SMARTRA fault |
|
P1690 (SMARTRA no response) |
| Antenna coil fault |
|
P1691 (Antenna coil error) |
| Immobilizer indicator lamp fault |
|
P1692 (Immobilizer lamp error) |
| Transponder key fault |
|
P1693 (Transponder no response error/invalid response) |
INSPECTION CHART FOR DIAGNOSTIC TROUBLE CODES (DTC)
INSPECTION CHART FOR DIAGNOSTIC TROUBLE CODES (DTC)
| DTC | Description | Refer to |
|---|---|---|
| P1674 | TRANSPONDER STATUS ERROR | COMPONENT INSPECTION |
| P1675 | TRANSPONDER PROGRAMMING ERROR | COMPONENT INSPECTION |
| P1676 | SMARTRA MESSAGE ERROR | TERMINAL AND CONNECTOR INSPECTION |
| P1690 | SMARTRA NO RESPONSE | SIGNAL CIRCUIT INSPECTION |
| P1691 | ANTENNA COIL ERROR | CONTROL CIRCUIT INSPECTION |
| P1692 | IMMOBILIZER LAMP ERROR | DTC P1693 TRANSPONDER NO RESPONSE ERROR / INVALID RESPONSE |
| P1693 | TRANSPONDER NO RESPONSE ERROR/ INVALID RESPONSE | OPERATION |
DIAGNOSTIC TROUBLE CODE DTC (LIST)
| DTC | Description |
|---|---|
| P1674 | TRANSPONDER STATUS ERROR |
| P1675 | TRANSPONDER PROGRAMMING ERROR |
| P1676 | SMARTRA MESSAGE ERROR |
| P1690 | SMARTRA NO RESPONSE |
| P1691 | ANTENNA COIL ERROR |
| P1692 | IMMOBILIZER LAMP CIRCUIT MALFUNCTION |
| P1693 | TRANSPONDER NO RESPONSE ERROR / INVALID RESPONSE |