Front Fog Lamp Circuit

FRONT FOG LAMP CIRCUIT





Component Function Check
1.CHECK FRONT FOG LAMP OPERATION
IPDM E/R AUTO ACTIVE TEST
1. Activate IPDM E/R auto active test. Diagnosis Description.
2. Check that the front fog lamp is turned ON.
CONSULT-III ACTIVE TEST
1. Select "EXTERNAL LAMPS" 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 - SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK FRONT FOG LAMP FUSE
1. Turn the ignition switch OFF.
2. Check that the following fuses are not fusing.





*: TYPE A
Is the fuse fusing?
YES - GO TO 2.
NO - GO TO 3.
2.CHECK FRONT FOG LAMP SHORT CIRCUIT
1. Disconnect IPDM E/R connector and the front fog lamp connector.
2. Check continuity between the IPDM E/R harness connector and the ground.





Does continuity exist?
YES - Repair the harnesses or connectors. And then replace the fuse.
NO - Replace the fuse. (Replace IPDM E/R if the fuse is fusing again.)
3.CHECK FRONT FOG LAMP BULB
Check the applicable lamp bulb.
Is the bulb normal?
YES - GO TO 4.
NO - Replace the bulb.
4.CHECK FRONT FOG LAMP OUTPUT VOLTAGE
CONSULT-III ACTIVE TEST
1. Disconnect the front fog lamp connector.
2. Turn the ignition switch ON.
3. Select "EXTERNAL LAMPS" of IPDM E/R active test item.
4. With operating the test items, check the voltage between the IPDM E/R harness connector and the ground.





Is the measurement value normal?
YES - GO TO 5.
NO - Replace IPDM E/R.
5.CHECK FRONT FOG LAMP OPEN CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between the IPDM E/R harness connector and the front fog lamp harness connector.





Does continuity exist?
YES - GO TO 6.
NO - Repair the harnesses or connectors.
6.CHECK FRONT FOG LAMP GROUND CIRCUIT OPEN CIRCUIT
Check continuity between the front fog lamp harness connector and the ground.





Does continuity exist?
YES - Replace the front fog lamp.
NO - Repair the harnesses or connectors.