Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
No communication with the lighting control module (LCM)	Circuitry. LCM.	REFER to MULTIFUNCTION ELECTRONIC MODULE .
The control illumination is inoperative	Circuitry. Lighting control module (LCM). Instrument panel dimmer switch.	Go To PINPOINT TEST A .
The instrument cluster illumination is inoperative	Circuitry. Bulbs. Instrument cluster.	Go To PINPOINT TEST B .
The climate control illumination is inoperative	Electronic automatic temperature control (EATC) unit. Manual climate control switch.	Go To PINPOINT TEST C .
The audio system illumination is inoperative	Circuitry. Audio unit.	Go To PINPOINT TEST D .
The steering wheel control switch illumination is inoperative	Circuitry. Clockspring. Steering wheel control switch. Horn switch wiring harness.	Go To PINPOINT TEST E .
The power window switch illumination is inoperative	Power window switch.	CHECK the operation of the power windows. If the power windows do not operate correctly, REFER to GLASS, FRAMES AND MECHANISMS . If the power windows operate correctly, INSTALL a new power window switch. REFER to GLASS, FRAMES AND MECHANISMS .
The power door lock switch illumination is inoperative	Door lock switches.	CHECK the operation of the power door locks. If the power door locks do not operate correctly, REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . If the door locks operate correctly, INSTALL a new power door lock switch. REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
A single illumination source is inoperative	Circuitry. Component.	Go To PINPOINT TEST F .
The message center illumination is inoperative - with moonroof	Circuitry. Message center.	Go To PINPOINT TEST G .
The instrument panel illumination does not dim	Instrument panel dimmer switch. Lighting Control Module (LCM).	Go To PINPOINT TEST H .