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.

When fog lamp switch is ON : FR FOG SW ON

Without CONSULT-III
Refer to Component Tests and General Diagnostics .
OK or NG
OK >> GO TO 3.
NG >> Check combination switch (lighting switch). Refer to Component Tests and General Diagnostics .
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.

Front fog lamp should operate.

Without CONSULT-III
1. Start auto active test. Refer to 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-III. 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 is ON position : FR FOG REQ ON

OK or NG
OK >> Replace IPDM E/R. Refer to Service and Repair .
NG >> Replace BCM. Refer to 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. Refer to 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. Refer to Inspection with CONSULT-III (Self-Diagnosis) 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.