Rear Booster Fan Rear Control Switch Backlighting Inoperative

Test 1 - 3:

Test 4:

SYMPTOM
REAR BOOSTER FAN REAR CONTROL SWITCH BACK LIGHTING INOPERATIVE

POSSIBLE CAUSES
- Instrument cluster DTC(s) present
- Body control module (BCM) DTC(s) present
- Rear booster fan rear control switch
- Panel lamps driver circuit open
- Instrument cluster (EMIC)