Pinpoint Test B : The Intermittent And/Or Low Speed Windshield Wipers Are Inoperative: Notes
WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
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 .
SCCM DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B1131:08 | Wiper motor module: Bus Signal / Message Failure | Sets when the SCCM detects a communication fault with the windshield wiper motor over the LIN. |
| B1131:11 | Wiper motor module: Circuit Short to Ground | Sets when the SCCM detects a short to ground from the windshield wiper motor LIN circuit. |
Possible Sources
- Wiring, terminals or connectors
- Wiper/washer switch
- Windshield wiper motor
- Rain sensor
- SCCM
Visual Inspection and Diagnostic Pre-checks
- Inspect the wiper/washer switch for damage