NOTE: It may be necessary to disconnect and then reconnect the battery after the repair to enable the wiper operation.
B1 CHECK THE HIGH SPEED WIPER OPERATION
Do the windshield wipers operate with the wiper/washer switch in the high speed setting?
Yes | GO to B2 |
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No | GO to Pinpoint Test A |
B2 CHECK THE LOW SPEED WIPER OPERATION
Place the wiper/washer switch to the low speed setting and observe the windshield wipers. Place the wiper/washer switch to the off setting.
Do the windshield wipers operate with the wiper/washer switch in the low speed setting?
Yes | If not equipped with a rain sensor, GO to Pinpoint Test E If equipped with a rain sensor, GO to Pinpoint Test F |
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No | GO to B3 |
B3 CHECK THE INPUT TO THE SCCM (STEERING COLUMN CONTROL MODULE)
Using a diagnostic scan tool, view the SCCM Parameter Identifications (PIDs). Using a diagnostic scan tool, view the SCCM F_WIP_SLO_SW PID. Place the wiper/washer switch to the low speed setting.
Does the PID indicate the wiper/washer switch is in the low speed setting?
Yes | If equipped with a rain sensor, GO to B4 If not equipped with a rain sensor, GO to B5 |
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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). |
B4 ISOLATE THE RAIN SENSOR
Ignition OFF. Disconnect Rain Sensor C914. Ignition ON. Place the wiper/washer switch to the low speed setting and observe the windshield wipers. Place the wiper/washer switch to the off setting.
Do the windshield wipers operate with the wiper/washer switch in the low speed setting?
Yes | INSTALL a new rain sensor. REFER to: Rain Sensor (501-16 Wipers and Washers, Removal and Installation). |
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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.