P1692

General Description

When driver inserts key and IGN "ON", Immobilizer informs status of system and result of Authentication by blinking of immobilizer lamp on instrument cluster. through Authentication procedure immobilizer lamp keep lighting up till engine starts. In normal status. Immobilizer lamp lights up for 30sec Right after ignition "ON". If there's any fault in immobilizer system or in Authentication, lamp blinks 5 times after ignition "ON"

DTC Description

The ECM sets DTC P1692 if there's short circuit in immobilizer lamp circuit.

DTC Detecting Condition





Diagnostic Circuit Diagram





Terminal and Connector Inspection

1. Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
3. Has a problem been found?






Control circuit inspection

Check for open in harness
1. IG KEY OFF.
2. Connect SMARTRA connector and disconnect PCM connector.
3. IG KEY ON & Engine "OFF".
4. Measure voltage between indicator terminal of PCM harness connector and chassis ground.

Specification :Batt.


5. Is the measured voltage within specifications?






Visual/Physical Inspection

Check immobilizer lamp circuit
1. Ignition "ON" & Engine "OFF"
2. Check if immobilizer lamp operates properly.

NOTE:
Right after ignition "ON", Immobilizer lamp lights up for 30sec.
If lamp blinks 5 times after ignition "ON", there's any fault in immobilizer system.

3. Is immobilizer lamp operates properly?






Component Inspection

Check immobilizer lamp.
1. IG KEY OFF
2. Connect SMARTRA connector and disconnect PCM connector
3. Ground indicator terminal of PCM harness connector with wire
4. IG KEY ON & Engine "OFF"

Specification :Immobilizer lamp "ON"


5. Is the Immobilizer lamp "ON"?






Verification of Vehicle Repair

After a repair, it is essential to verify that the fault has been corrected.
1. Connect scantool and select "Diagnostic Trouble Codes(DTCs)" mode and then clear DTC
2. Operate the vehicle and monitor the DTC on the scantool
3. Are any DTCs present?