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

Wiper Not Working In the High Speed

Test 1 - 3:




Test 4 - 8:




Test 9 - 11:




SYMPTOM
WIPER,NOT WORKING IN THE HIGH SPEED

POSSIBLE CAUSES
- BCM defective HI/LO driver (high)
- Fused B(+) CKT open
- High speed output circuit shorted to voltage
- Multi-function switch high switch open
- Wiper high/low relay control CKT short to voltage
- Wiper high/low relay defective
- Wiper high/low relay control circuit open
- High speed output circuit open
- High speed output shorted to ground
- Defective wiper motor- HI speed relay