For 1990-2009 cars

Step | Action | Normal Result(s) | Abnormal Result(s)*
--- | --- | --- | ---
1 |

1. Turn the headlamp switch to the HEAD position on the headlamp/instrument panel (IP) dimmer switch.
2. Turn the headlamp dimmer switch to the LOW position.
3. Turn the fog lamp switch to the ON position.

• | Both lamps are on.

• | The fog lamp switch indicator is on.

• | Fog Lamps Inoperative - All

• | Fog Lamps Inoperative - One

• | Fog Lamp Indicator Inoperative

2 | Turn the headlamp dimmer switch to the HIGH position. | The fog lamps are off. | Fog Lamps Always On
* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.