Symptom Chart

Condition	Possible Sources	Action
The control illumination is inoperative	Circuitry Headlamp switch	Go to Pinpoint Test A .
The instrument cluster (IC) illumination is inoperative	Circuitry IC	Go to Pinpoint Test B .
The climate control assembly illumination is inoperative	Circuitry Climate control assembly	Go to Pinpoint Test C .
The audio control module (ACM) illumination is inoperative	Circuitry ACM	Go to Pinpoint Test D .
The transmission selector lever illumination is inoperative	Circuitry Transmission selector lever	Go to Pinpoint Test E .
The hazard warning switch illumination is inoperative	Circuitry Hazard warning switch	Go to Pinpoint Test F .
The traction control switch illumination is inoperative	Circuitry Traction control switch	Go to Pinpoint Test G .
The ambient lighting control switch illumination is inoperative	Circuitry Ambient lighting control switch	Go to Pinpoint Test H .
The window control switch illumination is inoperative	Circuitry Window control switch	VERIFY the operation of the window control switch in question. If the window control switch is inoperative, REFER to GLASS, FRAMES AND MECHANISMS article to continue diagnosis of the power windows. If the window control switch operates correctly, INSTALL the new window control switch in question. REFER to GLASS, FRAMES AND MECHANISMS article. TEST the system for normal operation.
The instrument panel illumination does not dim	Circuitry Headlamp switch	Go to Pinpoint Test I .