FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Front Fog Lamps Do Not Illuminate (Both Sides)




FRONT FOG LAMP

Front Fog lamps Do Not Illuminate (Both Sides)


1. INSPECT FOG LAMP FUSE

Inspect fog lamp 15A fuse (No. 56, located in IPDM E/R).
OK or NG
OK- GO TO 2.
NG- Repair harness.

2. CHECK COMBINATION SWITCH INPUT SIGNAL

With CONSULT
1.Select "BCM" on CONSULT. Select "HEAD LAMP" on "SELECT TEST ITEM" screen.
2.Select "DATA MONITOR". Make sure that "FR FOG SW" turns ON-OFF linked with operation of fog lamp switch.
When fog lamp switch is ON : FR FOG SW ON
Without CONSULT
Combination Switch Inspection .
OK or NG
OK- GO TO 3.
NG- Check combination switch (lighting and turn signal switch). Combination Switch Inspection .

3. FOG LAMP ACTIVE TEST

With CONSULT
1.Select "IPDM E/R" on CONSULT. Select "ACTIVE TEST".
2.Select "LAMPS" on "SELECT TEST ITEM" screen.
3.Touch "FOG" screen.
4.Make sure front fog lamp operates.
Front fog lamp should operate.
Without CONSULT
1.Start auto active test. Auto Active Test.
2.Make sure front fog lamp operates.
Front fog lamp should operate.
OK or NG
OK- GO TO 4.
NG- GO TO 5.

4. CHECK IPDM E/R

1.Select "IPDM E/R" on CONSULT. Select "DATA MONITOR".
2.Make sure "FR FOG REQ" turns ON when front fog lamp switch is in ON position.
When front fog lamp switch : FR FOG REQ ON
is ON position
OK or NG
OK- Replace IPDM E/R. Service and Repair .
NG- Replace BCM. Service and Repair .

5. CHECK FOG LAMP INPUT SIGNAL

With CONSULT
1.Turn ignition switch OFF.
2.Disconnect front fog lamp connector.
3.Turn ignition switch ON.
4.Select "IPDM E/R" on CONSULT, and select "ACTIVE TEST".
5.Select "LAMPS" on "SELECT TEST ITEM" screen.
6.Touch "FOG" screen.





7.When front fog lamp relay is operating, check voltage between front fog lamp harness connector and ground.





Without CONSULT
1.Turn ignition switch OFF.
2.Disconnect front fog lamp connector.
3.Turn ignition switch ON.
4.Start auto active test. Auto Active Test .
5.When front fog lamp relay is operating, check voltage between front fog lamp harness connector and ground.





OK or NG
OK- GO TO 7.
NG- GO TO 6.

6. CHECK FOG LAMP CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect IPDM E/R connector.





3.Check continuity between IPDM E/R harness connector (A) and front fog lamp harness connector (B).





OK or NG
OK- Replace IPDM E/R. Service and Repair .
NG- Repair harness or connector.

7. CHECK FOG LAMP GROUND






1.Check continuity between front fog lamp harness connector and ground.





OK or NG
OK- Check front fog lamp bulbs.
NG- Repair harness or connector.