Pinpoint Test K : The Rear Window Wiper Stays On Continuously (Liftgate): Notes
Refer to Wipers and Washers for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Wipers and Washers - System Operation and Component Description .
BCM DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B1C77:14 | Rear Wiper Relay: Circuit Short To Ground or Open | Sets when the BCM detects a short to ground from the rear wiper motor control circuit. |
Possible Causes
- Wiring, terminals or connectors
- Wiper/washer switch
- Rear window wiper motor
- Rear window wiper motor relay
- SASM
- BCM
Visual Inspection and Diagnostic Pre-checks
- Inspect the wiper/washer switch for damage.
- Inspect the rear window wiper relay for damage.