No | GO to H6 |
|---|
H5 CHECK FOR DAMAGED WASHER HOSES
Inspect the washer hoses for kinks or damage.
Are the washer hoses OK?
Yes | Install a new washer pump. REFER to: Windshield Washer Pump (501-16 Wipers and Washers, Removal and Installation). |
|---|---|
No | REPAIR the washer hoses as necessary. |
H6 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. Activate and release the wash function on the wiper/washer switch.
Does the PID indicate correctly when the switch is activated?
Yes | GO to H7 |
|---|---|
No | INSTALL a new wiper/washer switch. REFER to: Steering Column Multifunction Switch RH (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). TEST the system for normal operation. If the concern is still present, INSTALL a new SCCM. REFER to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). |
H7 CHECK FOR VOLTAGE TO THE WASHER PUMP
Ignition OFF. Disconnect Washer Pump C137. Connect:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C137-1 | Ground |
Ignition ON. Use the wiper/washer switch to activate the windshield washer function.
Does the test lamp illuminate when the washer is activated?
Yes | GO to H8 |
|---|---|
No | GO to H9 |
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.