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Home >> Ford >> 2000 >> Contour SE, 2.0 3, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1201 (Wiper System And Washer System) >> Diagnosis And Testing >> Wipers and Washers >> Pinpoint Tests >> Pinpoint Test D: The Rear Window Wiper Stays On Continuously >> Pinpoint Test D: The Rear Window Wiper Stays On Continuously

Pinpoint Test D: The Rear Window Wiper Stays On Continuously

WARNING: This page is about a different car, the 2005 Mercury Mountaineer and 2005 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
  1. D1 CHECK THE STEERING COLUMN MULTIFUNCTION SWITCH 
    • Key in OFF position.
    • Disconnect: Steering Column Multifunction Switch C202a.
    • Carry out the steering column multifunction switch component test. Refer to COMPONENT TESTING article.
    • Did the steering column multifunction switch pass the component test? 
  2. D2 CHECK CIRCUIT 1302 (WH/LG) FOR AN OPEN 
    • Measure the resistance between steering column multifunction switch C202a-4, circuit 1302 (WH/LG), harness side and ground.
      Fig 1: Check Circuit 1302 (WH/LG) For An Open
      G03946161Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : GO to D3.
    • No  : REPAIR the circuit. TEST the system for normal operation.
  3. D3 CHECK CIRCUITS 410 (WH/OG) AND 411 (BK/LB) FOR SHORTS 
    • Disconnect: Rear Window Wiper Motor C4171.
    • Measure the resistance between rear window wiper motor C4171-4, circuit 410 (WH/OG), harness side and ground; and between rear window wiper motor C4171-3, circuit 411 (BK/LB), harness side and ground.
      Fig 2: Check Circuits 410 (WH/OG) And 411 (BK/LB) For Shorts
      G03946158Courtesy of FORD MOTOR CO.
    • Are the resistances greater than 10,000 ohms? 
    • Yes  : GO to D4.
    • No  : REPAIR the circuit(s) in question. TEST the system for normal operation.
  4. D4 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  : GO to D5.
    • 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.
  5. D5 CHECK THE REAR WINDOW WIPER MOTOR 
    • Carry out the rear window wiper motor component test as outlined in this article.
    • Did the rear window wiper motor pass the component test? 
    • Yes  : The system is operating correctly at this time. Concern may have been caused by binding or incorrect pivot arm adjustment. TEST the system for normal operation.
    • No  : INSTALL a new rear window wiper motor. REFER to REAR WINDOW WIPER MOTOR .
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