Tail Lamp Circuit

TAIL LAMP CIRCUIT





Component Function Check
1.CHECK TAIL LAMP OPERATION
IPDM E/R AUTO ACTIVE TEST
1. Activate IPDM E/R auto active test. Diagnosis Description.
2. Check that the tail lamp is turned ON.
CONSULT-III ACTIVE TEST
1. Select "EXTERNAL LAMPS" of IPDM E/R active test item.
2. With operating the test items, check that the tail lamp is turned ON.

TAIL : Tail lamp ON
Off : Tail lamp OFF

Is the tail lamp turned ON?
YES - Tail lamp circuit is normal.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK TAIL LAMP FUSE
1. Turn the ignition switch OFF.
2. Check that the following fuses are not fusing.





Is the fuse fusing?
YES - Repair the malfunctioning part before replacing the fuse.
NO - GO TO 2.
2.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 3.
NO - Replace IPDM E/R.
3.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 4.
NO - Repair the harnesses or connectors.
4.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.