Test B: The Instrument Cluster Illumination Is Inoperative

PINPOINT TEST B: THE INSTRUMENT CLUSTER ILLUMINATION IS INOPERATIVE

B1-B2:

B3:

Normal Operation
The lighting control module (LCM) communicates the requested level of backlighting intensity to the instrument cluster through the standard corporate protocol (SCP) network.

Possible Causes
- instrument cluster
- LCM