1

Turn the ignition switch to the ON position.

All VF displays turn on at maximum brightness. VF displays include the following (if equipped):

Vacuum Fluorescent Displays Inoperative - All

2

1. Cover the ambient light sensor.
2. Place the headlamp switch in the PARK position.

All incandescent switch backlighting turns on at the dimming level indicated by the IP dimmer switch. All VF displays dim to match the dimming level indicated by the IP dimmer switch.

3

Operate the IP dimmer switch from minimum intensity to maximum intensity.

All VF displays and incandescent switch backlighting dimming level goes from minimum intensity to maximum brightness in response to the IP dimmer switch.

Vacuum Fluorescent Displays Do Not Dim with Instrument Panel Dimmer Switch

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