Operation CHARM: Car repair manuals for everyone.

Rear Wiper Not Working At All

Tests 1 - 3:




Tests 4 - 8:




Tests 9 - 13:




SYMPTOM
REAR WIPER NOT WORKING AT ALL

POSSIBLE CAUSES
- Open rear wiper motor control circuit
- Open rear wiper switch MUX circuit
- Open ground circuit/rear wiper motor
- Open fused ignition switch output circuit/fuse # 6
- Open fused ignition switch output circuit/fuse # 8
- Shorted fused ignition switch output circuit/fuse # 6
- Defective rear wiper motor/motor control
- Defective HVAC Control Module/default
- Defective HVAC Control Module/rear wiper switch MUX
- Defective BCM/rear wiper switch MUX
- Defective BCM/rear wiper motor
- Defective HVAC Control Module/21-way connector