Front Fog Lamp Circuit

FRONT FOG LAMP CIRCUIT

Component Function Check


1. CHECK FRONT FOG LAMP OPERATION

IPDM E/R AUTO ACTIVE TEST
1.Activate IPDM E/R auto active test. Diagnosis Description.
2.Check that the front fog lamp is turned ON.
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.
Fog: Front fog lamp ON


Off: Front fog lamp OFF
Is the front fog lamp turned ON?
YES- Front fog lamp circuit is normal.
NO- .


Diagnosis Procedure


1. CHECK FRONT FOG LAMP FUSE

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





Is the fuse fusing?
YES- GO TO 2.
NO- GO TO 3.

2. CHECK FRONT FOG LAMP SHORT CIRCUIT

1.Disconnect IPDM E/R connector and the front combination lamp connector.
2.Check continuity between the IPDM E/R harness connector and the ground.





Does continuity exist?
YES- Repair the harnesses or connectors. And then replace the fuse.
NO- Replace the fuse. (Replace IPDM E/R if the fuse is fusing again.)

3. CHECK FRONT FOG LAMP BULB

Check the applicable lamp bulb.
Is the bulb normal?
YES- GO TO 4.
NO- Replace the bulb.

4. CHECK FRONT FOG LAMP OUTPUT VOLTAGE

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





Is the measurement value normal?
YES- GO TO 5.
NO- Replace IPDM E/R.

5. CHECK FRONT FOG LAMP OPEN CIRCUIT

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





Does continuity exist?
YES- GO TO 6.
NO- Repair the harnesses or connectors.

6. CHECK FRONT FOG LAMP GROUND CIRCUIT OPEN CIRCUIT

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





Does continuity exist?
YES- Replace the front combination lamp.
NO- Repair the harnesses or connectors.