Front Fog Lamps Do Not Illuminate (Both Sides)

FRONT FOG LAMP


Front Fog Lamps Do Not Illuminate (Both Sides)

1.CHECK COMBINATION SWITCH INPUT SIGNAL
CONSULT-III DATA MONITOR
1. Select "FR FOG SW" of BCM (HEAD LAMP) data monitor item.
2. With operating the front fog lamp switch, check the monitor status.

When fog lamp switch is ON : FR FOG SW ON

CHECK THE COMBINATION SWITCH
Refer to Component Tests and General Diagnostics.
OK or NG
OK - GO TO 2.
NG - Check combination switch (lighting switch). Refer to Component Tests and General Diagnostics.
2.FRONT FOG LAMP ACTIVE TEST
CONSULT-III ACTIVE TEST
1. Select "LAMPS" of IPDM E/R active test item.
2. With operating the test item, check the fog lamp operation.

FOG : Front fog lamps ON
Off : Front fog lamps OFF

IPDM E/R AUTO ACTIVE TEST
1. Activate auto active test. Refer to Auto Active Test.
2. Make sure fog lamp operation.

Front fog lamp should operate.

OK or NG
OK - GO TO 3.
NG - GO TO 4.
3.CHECK IPDM E/R
CONSULT-III DATA MONITOR
1. Select "FR FOG REQ" of IPDM E/R data monitor item.
2. With operating the fog lamp switch is in ON position, check the monitor status.

When lighting 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.
4.CHECK FOG LAMP INPUT SIGNAL
CONSULT-III ACTIVE TEST
1. Turn ignition switch OFF.
2. Disconnect front fog lamp RH and LH connector.
3. Select "LAMPS" of IPDM E/R active test item.
4. Touch "FOG" screen.





5. With operating the test item, check voltage between front fog lamp (RH and LH) harness connector and ground.





IPDM E/R AUTO ACTIVE TEST
1. Turn ignition switch OFF.
2. Disconnect front fog lamp RH and LH connector.
3. Activate auto active test. Refer to Auto Active Test.
4. When fog lamp is operating, check voltage between front fog lamp (RH and LH) harness connector and ground.










OK or NG
OK - GO TO 5.
NG - GO TO 6.
5.CHECK FOG LAMP GROUND CIRCUIT
1. Turn ignition switch OFF.





2. Check continuity between front fog lamp (RH and LH) harness connector and ground.





OK or NG
OK - Check front fog lamp bulbs.
NG - Repair harness or connector.
6.CHECK FRONT 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 (RH and LH) harness connector (B).





4. Check continuity between IPDM E/R harness connector (A) and ground.





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