Front Fog Lamp Circuit

FRONT FOG LAMP CIRCUIT





Component Function Check
1.CHECK FRONT FOG LAMP OPERATION
CONSULT-III ACTIVE TEST
1. Select "EXTERNAL LAMPS" of IPDM E/R active test item.
2. With operating the test items, check that the front fog lamp is turned ON.






Is the measurement normal?
YES - Front fog lamp circuit is normal.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK FRONT FOG LAMP FUSE
1. Turn ignition switch OFF.
2. Check that the following fuse is not fusing.





Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK FRONT FOG LAMP SHORT CIRCUIT
1. Disconnect front fog connector and 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.
3.CHECK FRONT FOG LAMP BULB
Check the applicable lamp bulb.
Is the inspection result normal?
YES - GO TO 4.
NO - Replace bulb.
4.CHECK FRONT FOG LAMP OUTPUT VOLTAGE
CONSULT-III ACTIVE TEST
1. Disconnect front fog lamp connector.
2. Turn ignition switch ON.
3. Select "EXTERNAL LAMPS" of IPDM E/R active test item.
4. With operating the test items, check the voltage between IPDM E/R harness connector and ground.





Is the inspection result normal?
YES - GO TO 5.
NO - Replace IPDM E/R.
5.CHECK FRONT FOG LAMP OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between IPDM E/R harness connector and front fog lamp harness connector.





Is the inspection result normal?
YES - GO TO 6.
NO - Repair or replace harness.
6.CHECK FRONT FOG LAMP GROUND CIRCUIT OPEN CIRCUIT
Check continuity between front fog lamp harness connector and ground.





Is the inspection result normal?
YES - Intermittent Incident.
NO - Repair or replace harness.