Diagnosis Procedure

HEADLAMP (HI) CIRCUIT

WITHOUT DAYTIME RUNNING LIGHT SYSTEM : Diagnosis Procedure


1. CHECK HEADLAMP (HI) OUTPUT VOLTAGE

CONSULT ACTIVE TEST
1.Turn power switch OFF.
2.Disconnect front combination lamp connector.
3.Turn power 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 (HI) OPEN CIRCUIT

1.Turn power switch OFF.
2.Disconnect IPDM E/R connector.
3.Check continuity between IPDM E/R harness connector and front combination lamp harness connector.





Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace harness.

3. CHECK HEADLAMP (HI) FUSE

1.Turn power 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 HIGH (HI) 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 fuse. (Replace IPDM E/R if the fuse is fusing again.)
NO- Repair or replace harness. And then replace the fuse.

5. CHECK HEADLAMP (HI) GROUND OPEN CIRCUIT

1.Turn power switch OFF.
2.Disconnect front combination lamp connector.
3.Check continuity between front combination lamp harness connector and ground.





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