Symptom Chart

PROBLEM SYMPTOM

Condition	Possible Sources	Action
No communication with the instrument cluster	CJB fuse(s): 28 (10A). 14 (10A). 16 (10A). 9 (10A). Circuitry. Instrument cluster.	Go To PINPOINT TEST A: NO COMMUNICATION WITH THE INSTRUMENT CLUSTER .
All dimmable backlighting is completely inoperative	Instrument cluster.	INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation.
The instrument cluster illumination is inoperative	Instrument cluster.	INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation.
The message center/odometer display inoperative or does not dim	Instrument cluster	INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation.
The climate control illumination is inoperative - front or rear (if equipped)	Bulb(s). Circuitry. Front climate control assembly. Auxiliary climate control assembly.	Go To PINPOINT TEST B: THE CLIMATE CONTROL ILLUMINATION IS INOPERATIVE - FRONT OR REAR (IF EQUIPPED) .
The audio system illumination is inoperative - front or rear	Circuitry. Audio unit. Rear audio control panel (RACP) (if equipped).	Go To PINPOINT TEST C: THE AUDIO SYSTEM ILLUMINATION IS INOPERATIVE - FRONT OR REAR CONTROLS .
A single illumination source is inoperative	Circuitry. Bulb. Component.	Go To PINPOINT TEST D: A SINGLE ILLUMINATION SOURCE IS INOPERATIVE .
A single illumination source is inoperative - front power window switch/front power lock switch	Switch.	INSTALL a new switch. TEST the system for normal operation.
The instrument panel illumination does not dim - backlighting is on at full brightness level	Circuitry. Panel dim switch. Instrument cluster.	Go To PINPOINT TEST E: THE INSTRUMENT PANEL ILLUMINATION DOES NOT DIM - BACKLIGHTING IS ON AT FULL BRIGHTNESS LEVEL .