Diagnosis Procedure - With Daytime Light System

HEADLAMP (HI) CIRCUIT


Diagnosis Procedure - With Daytime Light System

1.CHECK HEADLAMP (HI) FUSES
1. Turn the ignition switch OFF.
2. Check that the following fuses are not open.





Is the fuse open?
YES - Repair the harness and replace the fuse.
NO - GO TO 2.
2.CHECK HEADLAMP (HI) OUTPUT VOLTAGE





1. Turn the ignition switch OFF.
2. Disconnect the front combination lamp connector E6 or E108.
3. Turn the ignition switch ON.
4. Turn the high beam headlamps ON.
5. With the high beam headlamps ON, check the voltage between the combination lamp connector and ground.





Are the voltage readings as specified?
YES - GO TO 4.
NO - GO TO 3.
3.CHECK HEADLAMP (HI) CIRCUIT FOR OPEN





1. Turn the ignition switch OFF.
2. Disconnect IPDM E/R connector E123.
3. Check continuity between the IPDM E/R harness connector (A) and the front combination lamp harness connector (B).





Does continuity exist?
YES - GO TO 4.
NO - Repair the harnesses or connectors.
4.CHECK FRONT COMBINATION LAMP (HI) GROUND CIRCUIT





Check continuity between the front combination lamp harness connector terminal and ground.





Does continuity exist?
YES - Inspect the headlamp bulb.
NO - RH>>Repair the harness.
NO - LH >>Inspect daytime light relay. If OK, repair harness. If NG,
replace the daytime light relay.