Pinpoint Test B : The Intermittent And/Or Low Speed Windshield Wipers Are Inoperative: Notes
WARNING: This page is about a different car, the 2015 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Overview
Diagnostics in this article 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
- Windshield wiper motor
- Rain sensor
- SCCM
Visual Inspection and Diagnostic Pre-checks
- Inspect the multifunction switch for damage.