Pinpoint Test B : The Intermittent And/Or Low Speed Windshield Wipers Are Inoperative: Notes
WARNING: This page is about a different car, the 2016 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Overview
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.
Refer to Wipers and Washers for schematic and connector information.
Normal Operation and Fault Conditions
Refer to System Operation - Windshield Wipers in Wipers and Washers .
Refer to System Operation - Intermittent Wipers in Wipers and Washers .
Refer to Component Description - Multifunction Switch in Wipers and Washers .
Refer to Component Description - Front Wiper Motor in Wipers and Washers .
SCCM DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B1131:02 | Wiper Motor Module: General Signal Failure | Sets when the SCCM detects a general signal failure occurs on the LIN. |
| B1131:08 | Wiper Motor Module: Bus Signal/Message Failure | Sets when the SCCM loses communication with the windshield wiper motor over the LIN. |
Possible Sources
- Wiring, terminals or connectors
- Multifunction switch
- Wiper motor
- SCCM
Visual Inspection and Diagnostic Pre-checks
- Inspect the multifunction switch for damage.