Pinpoint Test B: The Wipers Stay On Continuously
WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
- B1 CHECK THE MULTIFUNCTION SWITCH
- Key in OFF position.
- Disconnect: Multifunction Switch C202C
- Carry out the Multifunction Switch Component Test. Refer to COMPONENT TESTING.
- Did the multifunction switch pass the component test?
- YES : Go to B2.
- NO : INSTALL a new multifunction switch. REFER to STEERING COLUMN SWITCHES article.
- B2 CHECK CIRCUITS 56 (DB/OG), 58 (WH), 61 (YE/RD) AND 63 (RD) FOR SHORTS
- Disconnect: Windshield Wiper Motor C125
- Using the following table, measure the resistance between windshield wiper motor C125 harness side and ground:
Windshield Wiper Motor C125 Ground Pin 10, circuit 56 (DB/OG) Ground Pin 11, circuit 58 (WH) Ground Pin 1, circuit 61 (YE/RD) Ground Pin 9, circuit 63 (RD) Ground - Is the resistance greater than 10,000 ohms?
Courtesy of FORD MOTOR CO.
- YES : Go to B3.
- NO : REPAIR the circuit(s) in question. TEST the system for normal operation.
- B3 CHECK FOR CORRECT WIPER MOTOR OPERATION
- Disconnect all wiper motor connectors.
- Check for:
- corrosion.
- pushed-out pins.
- Connect all wiper motor connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
- YES : INSTALL a new windshield wiper motor. REFER to Wiper Motor .
- NO : The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. TEST the system for normal operation.