For 1990-2009 cars

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

1. Turn the headlamp switch to the HEAD position.
2. Turn the headlamp dimmer switch to the LOW position.

• | The low beam headlamps are on.

• | The high beam headlamps are off.

Headlamps Inoperative - Low Beams

2 | Turn the headlamp switch to the HIGH position. |

• | The high beam headlamps are on.

• | The high beam indicator is on.

• | The low beam headlamps are off.

Headlamps Inoperative - High Beams

3 |

1. Turn the headlamp switch OFF.
2. Turn the ignition ON.
3. Apply a bright light to the daytime running lamps (DRL) ambient light sensor.

The high beam headlamps come on at a reduced intensity in approximately 30 seconds.

Daytime Running Lamps (DRL) Inoperative, Headlamp Switch Operates Normally

4 | Cover the DRL ambient light sensor with a dark cloth. | The following conditions occur in approximately 15 seconds:

• | The high beam headlamps turn off.

• | The low beam headlamps turn on.

• | The exterior lamps turn on.

• | Headlamps Inoperative in Low Light Conditions

• | Park Lamps Inoperative in Low Light Conditions

• | Park Lamps Inoperative

5 |

1. Turn the ignition OFF.
2. Apply the parking brake.
3. Apply a bright light to the daytime running lamps (DRL) ambient light sensor.
4. Turn the ignition to the ON position.

• | The headlamps are off.

• | The exterior lamps are off.

• | Headlamps - Low Beams On with Headlamp Switch Off

• | Park Lamps Remain On in Daylight Conditions

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.