With Daytime Running Light System

LICENSE PLATE LAMP CIRCUIT:_:WITH DAYTIME RUNNING LIGHT SYSTEM





Component Function Check

NOTE:
Check the daytime running light relay circuit first if the parking lamp, tail lamp, license plate lamp and side marker lamp are not turned ON. Daytime Running Light Relay Circuit.
1.CHECK LICENSE PLATE LAMP OPERATION
IPDM E/R AUTO ACTIVE TEST
1. Activate IPDM E/R auto active test. Diagnosis Description.
2. Check that the license plate lamp is turned ON.
CONSULT-III ACTIVE TEST
1. Select "EXTERNAL LAMPS" of IPDM E/R active test item.
2. With operating the lighting switch, check that the license plate lamp is turned ON.






Is the license plate lamp turned ON?
YES - License plate lamp circuit is normal.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK LICENSE PLATE LAMP BULB
Check the applicable lamp bulb.
Is the bulb normal?
YES - GO TO 2.
NO - Replace the bulb.
2.CHECK LICENSE PLATE LAMP OPEN CIRCUIT
1. Turn the ignition switch OFF.
2. Remove the daytime running light relay.
3. Disconnect the license plate lamp connector.
4. Check continuity between the daytime running light relay harness connector and the license plate lamp harness connector.





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





Does continuity exist?
YES - Replace the license plate lamp.
NO - Repair the harnesses or connectors.