Front Fog Lamp Circuit

FRONT FOG LAMP CIRCUIT

Component Function Check


1. CHECK FRONT FOG LAMP OPERATION

WITHOUT CONSULT
1.Activate IPDM E/R auto active test. Diagnosis Description.
2.Check that the front fog lamp is turned ON.
CONSULT
1.Select "EXTERNAL LAMP" 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

Regarding Wiring Diagram information, [1][2]Electrical Diagrams.

1. CHECK FRONT FOG LAMP FUSE

1.Turn ignition switch OFF.
2.Check that the following fuse is not open.





Is the inspection result normal?
YES- GO TO 2.
NO- Replace the fuse after repairing the affected circuit.

2. CHECK FOG LAMP BULB

Check the applicable fog lamp bulb to be sure the proper bulb standard is in use and the bulb is not open.
Is the bulb OK?
YES- GO TO 3.
NO- Replace the bulb.

3. CHECK FRONT FOG LAMP OUTPUT VOLTAGE

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










Is the inspection result normal?
YES- GO TO 4.
NO- GO TO 5.

4. CHECK FRONT FOG LAMP GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Check continuity between front fog lamp harness connector and ground.





Is the inspection result normal?
YES- Replace malfunctioning lamp.
NO- Repair the harness or connector.

5. CHECK FRONT FOG LAMP RELAY TO FRONT FOG LAMPS CIRCUIT FOR OPEN

1.Disconnect front fog lamp connector E58.
2.Check continuity between the front fog lamp relay harness connector E58 and the front fog lamp connectors E53 and E54.





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

6. CHECK FRONT FOG LAMP RELAY VOLTAGE CIRCUIT

1.Check the voltage between the front fog lamp relay connector E58 and ground.





Is battery voltage present?
YES- GO TO 7.
NO- Repair the harnesses or connectors.

7. CHECK FRONT FOG LAMP RELAY GROUND CIRCUIT

Check continuity between the front fog lamp relay harness connector E58 and ground.





Does continuity exist?
YES- Replace front fog lamp relay.
NO- GO TO 8.

8. CHECK IPDM E/R TO FRONT FOG LAMP RELAY CIRCUIT FOR OPEN

1.Disconnect IPDM E/R connector E46.
2.Check continuity between the front fog lamp relay harness connector E58 and the IPDM E/R connector
E46.





Does continuity exist?
YES- Replace IPDM E/R. Service and Repair.
NO- Repair the harnesses or connectors.