Symptom Related Diagnostic Procedures

DAYTIME LIGHT SYSTEM INOPERATIVE

Description

The daytime light system is inoperative even though the combination switch (lighting and turn signal switch)
and parking brake switch are in the normal setting, also whenever the engine is operating.


Diagnosis Procedure


1. CHECK DAYTIME LIGHT OPERATION

1.Perform BCM(HEADLAMP) DAYTIME RUNNING LIGHT active test. Refer to "HEADLAMP : CONSULT Function (BCM HEADLAMP)" Headlamp.
2.Check that the daytime lights turn on.
Is the inspection results normal?
YES- Replace BCM. Refer to "Removal and Installation" Service and Repair.
NO- GO TO 2.

2. CHECK DAYTIME LIGHT RELAY FUSE

1.Turn ignition switch OFF.
2.Check that the following fuse is not blown.





Is the inspection result normal?
YES- GO TO 3.
NO- Replace the blown fuse after repairing the affected circuit.

3. CHECK DAYTIME LIGHT BULBS

Check the daytime light bulbs are not open.
Is the inspection result normal?
YES- GO TO 4.
NO- Replace the bulbs.

4. PERFORM DAYTIME LIGHT CIRCUIT INSPECTION

Check the daytime light circuit. Refer to "Diagnosis Procedure" Component Tests and General Diagnostics.
Is the inspection results normal?
YES- Replace IPDM E/R. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace the malfunctioning part.
Revision: March 20122013 Infiniti JX