Diagnosis Procedure

TAIL LAMP CIRCUIT


Diagnosis Procedure

1.CHECK TAIL LAMP OUTPUT VOLTAGE
CONSULT-III ACTIVE TEST
1. Disconnect the rear combination lamp connector.
2. Turn the ignition switch ON.
3. Select "EXTERNAL LAMPS" of IPDM E/R active test item.
4. With operating the test items, check the voltage between the IPDM E/R harness connector and the ground.





Is the measurement value normal?
YES - GO TO 2.
NO - Replace IPDM E/R.
2.CHECK TAIL LAMP OPEN CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between the IPDM E/R harness connector and the rear combination lamp harness connector.





Does continuity exist?
YES - GO TO 3.
NO - Repair the harnesses or connectors.
3.CHECK TAIL LAMP GROUND OPEN CIRCUIT
Check continuity between the rear combination lamp harness connector and the ground.





Does continuity exist?
YES - Replace the rear combination lamp.
NO - Repair the harnesses or connectors.