For 1990-2009 cars

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

1. Turn the ignition switch to the RUN position.
2. Turn the I/Pdimmer switch to the low intensity position.
3. Turn the headlamp switch to the PARK position.

The following lamps are all illuminated:

• | The steering wheel radio control switches

• | The fog lamp switch

• | The door illumination

• | The HVAC control

• | The headlamp switch

• | The instrument cluster

• | The ashtray/PRNDL lamp

• | The fog lamp switch

• | The rear fog lamp switch (Export)

• | The driver seat heater switch

• | The electronic traction control switch

• | The folding top switch (Convertible)

The vacuum fluorescent (VF) display (radio) step dim.

• | Instrument Panel Lamps Inoperative

• | Instrument Panel Lamps Inoperative - One

2 | Turn the I/P lamp dimmer switch slowly to the high intensity position. |

1. The brightness of the I/P lamps slowly increase to high.
2. The VF brightness of the radio slowly increases to high.

Lamp intensity varies erratically. Refer to Headlamp Switch Replacement .

3 |

1. Turn the I/P lamp dimmer switch to the low intensity position.
2. Turn the headlamp switch to the OFF position.

• | The I/P lamps turn off.

• | The radio VF display turns off.

Instrument Panel Lamps Do Not Dim

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