Diagnosis Procedure

HEADLAMP (LO) CIRCUIT

WITHOUT DAYTIME RUNNING LIGHT SYSTEM : Diagnosis Procedure


1. CHECK HEADLAMP (LO) OUTPUT VOLTAGE

CONSULT ACTIVE TEST
1.Turn ignition switch OFF.
2.Disconnect headlamp connector.
3.Turn ignition switch ON.
4.Select "EXTERNAL LAMPS" of IPDM E/R active test item.
5.With operating the test items, check voltage between IPDM E/R harness connector and ground.





Is the inspection result normal?
YES- GO TO 2.
NO- GO TO 3.

2. CHECK HEADLAMP (LO) OPEN CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect IPDM E/R connector.
3.Check continuity between IPDM E/R harness connector and headlamp harness connector.





Is the inspection result normal?
YES- Replace headlamp bulb.
NO- Repair or replace harness.

3. CHECK HEADLAMP (LO) FUSE

1.Turn ignition switch OFF.
2.Check that the following fuses are not fusing.





Is the inspection result normal?
YES- Replace IPDM E/R.
NO- GO TO 4.

4. CHECK HEADLAMP (LO) SHORT CIRCUIT

1.Disconnect IPDM E/R connector.
2.Check continuity between IPDM E/R harness connector and ground.





Is the inspection result normal?
YES- Replace the fuse. (Replace IPDM E/R if the fuse is fusing again.)
NO- Repair or replace harness. And then replace the fuse.