Reconnect the windshield wiper motor connector. Make sure it seats and latches correctly. Operate the system and determine if the concern is still present.
Is the concern still present?
Yes | CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new windshield wiper motor. REFER to: Windshield Wiper Motor - LHD (501-16 Wipers and Washers, Removal and Installation). |
|---|---|
No | The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues. |
The Windshield Washer Is Always On
Refer to Wiring Diagrams Cell 81 for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).
Possible Causes
Wiring, terminals or connectors Washer pump Wiper/washer switch Windshield wiper motor SCCM
Visual Inspection and Diagnostic Pre-checks
Inspect the wiper/washer switch for damage
PINPOINT TEST I : THE WINDSHIELD WASHER IS ALWAYS ON
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
I1 CHECK THE WIPER/WASHER SWITCH INPUT USING THE WASHER SWITCH (FRONT) (F_WASH_SW) PID (PARAMETER IDENTIFICATION)
Ignition ON. Using a diagnostic scan tool, view the SCCM Parameter Identifications (PIDs). Using a diagnostic scan tool, view the SCCM F_WASH_SW PID.
Does the PID indicate the switch is activated?
Yes INSTALL a new wiper/washer switch.
REFER to: Steering Column Multifunction Switch RH (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.