FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Wiper Not Working at All

Test 1 - 5:




Test 6 - 9:




Test 10 - 14:




Test 15 - 18:




Test 19 - 24:




Test 25 - 29:




Test 30 - 34:




Test 35:




SYMPTOM
WIPER NOT WORKING AT ALL

POSSIBLE CAUSES
- SCI/PCI COMM failure- bus operational
- Open B (+) circuit- battery/wiper fuse
- Open ignition switch output circuit
- Intermittent wiper relay
- Intermittent wiper relay/RLY coil
- Fused B (+) circuit short/ground
- HI/LO wiper relay HI speed output circuit- short/GND
- Open fused B(+) circuit-between fuse/intermittent relay
- Open ground circuit
- Open intermittent wiper relay control circuit
- Open wiper relay common circuit between intmittent-HI/LO relay
- Wiper relay common CKT short/GND
- HI/LO wiper relay LO speed output circuit- short/GND
- Open HI/LO wiper LO speed output circuit between H/L RLY
- Open wiper switch signal circuit between SW/BCM
- Wiper switch signal CKT short/ground
- Fused ignition switch output CKT short/GND
- Open fused ignition switch output circuit
- Open fused ignition switch output circuit- switch/fuse #15
- HI/LO wiper relay- wiper motor
- HI/LO wiper relay-relay coil
- Multi-function switch/BCM
- Multi-function switch/fused ignition switch output CKT
- Wiper motor/ground CKT
- Wiper motor/H/L relay default
- BCM/WIPER motor operate
- BCM/WIPER motor actuation
- BCM default