Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
The control illumination is inoperative	Circuitry Headlamp switch Instrument panel dimmer switch	GO to PINPOINT TEST A .
The instrument cluster illumination is inoperative	Circuitry Instrument cluster	GO to PINPOINT TEST B .
The climate control panel illumination is inoperative	Circuitry Manual climate control Front auxiliary A/C climate control Rear auxiliary A/C climate control Electronic automatic temperature control (EATC) module	GO to PINPOINT TEST C .
A single illumination source is inoperative	Circuitry Inoperative illumination source component	GO to PINPOINT TEST D .
The steering wheel control switch illumination source is inoperative	Circuitry Clockspring Steering wheel control switches Steering wheel control harness	GO to PINPOINT TEST E .
The instrument panel illumination does not dim	Circuitry Instrument panel dimmer switch Dimmer module	GO to PINPOINT TEST F .