FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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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-III
1. Select "BCM" on CONSULT-III. 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.






Without CONSULT-III
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-III
1. Select "IPDM E/R" on CONSULT-III. Select "ACTIVE TEST".
2. Select "LAMPS" on "SELECT TEST ITEM" screen.
3. Touch "FOG" screen.
4. Make sure front fog lamp operates.






Without CONSULT-III
1. Start auto active test. Auto Active Test.
2. Make sure front fog lamp operates.






OK or NG
OK - GO TO 4.
NG - GO TO 5.
4.CHECK IPDM E/R
1. Select "IPDM E/R" on CONSULT-III. Select "DATA MONITOR".
2. Make sure "FR FOG REQ" turns ON when front fog lamp switch is in 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-III
1. Turn ignition switch OFF.
2. Disconnect front fog lamp connector.
3. Turn ignition switch ON.
4. Select "IPDM E/R" on CONSULT-III, 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-III
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. Inspection with CONSULT-III (Self-Diagnosis) Service and Repair, "Removal and
Installation of IPDM E/R" .
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.