For 1990-2009 cars

Symptom | Procedure
--- | ---
Both fog lamps inoperative | Chart 1
Left fog lamp inoperative |

1. Check bulb. If OK, disconnect left fog lamp connector, BLK 2-way.
2. Turn fog lamps On.
3. Connect a test light between circuit 34 and ground.

• | If test light bulb lights, open circuit 150.

• | If test light bulb does not light, open circuit 34.

Right fog lamp inoperative |

1. Check bulb. If OK, disconnect right fog lamp connector, BLK 2-way.
2. Turn fog lamps On.
3. Connect a test light between circuit 34 and ground.

• | If test light bulb lights, open circuit 150.

• | If test light bulb does not light, open circuit 34.

Fog lamps, fog lamp switch illumination inoperative | Open circuit 350 or faulty fog lamp switch.
Fog lamp switch illumination inoperative, fog lamps operate normally | Faulty fog lamp switch
Fog lamps do not turn Off with high beam headlamps On |

1. Disconnect I/P switch connector, NAT 4-way.
2. Connect a test light between circuit 1200 and ground.

• | If test light is On, faulty fog lamp switch.

• | If test light is Off, open circuit 1200 between UHFB and I/P switch.