For 1990-2009 cars

#### IP Lights Dimming System Check

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

1. Turn the ignition switch to the ON position.
2. Turn the turn signal/headlamp switch to the PARK position.

The instrument panel lamps illuminate.

Instrument Panel Lamps Inoperative

2 |

1. Turn the ignition switch to the ON position.
2. Turn the headlamp switch to the PARK position.
3. Use the IP lamp dimmer switch to increase and decrease the brightness of the instrument panel lamps.

The instrument panel lamps increase and decrease brightness when controlled by the dimmer switch.

• | Instrument Panel Lamps Do Not Dim

• | Instrument Panel Lamps Erratic with Dimmer Switch

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