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Home >> Ford >> 2005 >> Escape Hybrid, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 390 (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 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
  1. D1 CHECK THE SJB DIAGNOSTIC TROUBLE CODES (DTCS) 
    • Use the recorded results from the SJB continuous and on-demand self-test.
    • Are any DTCs recorded? 

    Yes  : If DTC B1614, GO to D2.

    If DTC B1244, GO to  D6.

    No  : GO to D2.

  2. D2 CHECK THE MULTI-FUNCTION SWITCH 
    • Key in OFF position.
    • Disconnect: Multi-function Switch C2081.
    • Key in ON position.
    • Does the rear window wiper continue to run? 

    Yes  : GO to D3.

    No  : INSTALL a new multi-function switch. REFER to STEERING COLUMN SWITCHES . CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.

  3. D3 CHECK CIRCUITS 485 (PK/BK) AND 410 (WH/OG) FOR A SHORT TO GROUND 
    • Key in OFF position.
    • Disconnect: SJB C2280e.
    • For the low speed wiper, measure the resistance between multi-function switch C2081-12, circuit 485 (PK/BK), harness side and ground.
      Fig 1: Checking Circuits 485 (PK/BK) And 410 (WH/OG) For Short To Ground (1 Of 2)
      G04622450Courtesy of FORD MOTOR CO.
    • For the intermittent wiper, measure the resistance between multi-function switch C2081-10, circuit 410 (WH/OG), harness side and ground.
      Fig 2: Checking Circuits 485 (PK/BK) And 410 (WH/OG) For Short To Ground (2 Of 2)
      G04622451Courtesy of FORD MOTOR CO.
    • Are the resistances greater than 10,000 ohms? 

    Yes  : GO to D4.

    No  : REPAIR the circuit in question. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.

  4. D4 CHECK CIRCUIT 411 (BK/LB) FOR A SHORT TO VOLTAGE 
    • Key in OFF position.
    • Disconnect: Rear Wiper Motor C476.
    • Key in ON position.
      • NOTE: Make sure the multi-function switch is in the OFF position and the liftgate glass and liftgate are closed.
      Fig 3: Checking Circuit 411 (BK/LB) For Short To Voltage
      G04622452Courtesy of FORD MOTOR CO.
    • Measure the voltage between rear wiper motor C476-3, circuit 411 (BK/LB), harness side and ground.
    • Is any voltage present? 

    Yes  : GO to D5.

    No  : INSTALL a new rear wiper motor. REFER to WIPER MOTOR - REAR WINDOW  in this article. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.

  5. D5 CHECK CIRCUIT 411 (BK/LB) FOR A SHORT TO VOLTAGE WITH THE SJB DISCONNECTED 
    • Key in OFF position.
    • Disconnect: SJB C2280d.
    • Key in ON position.
    • Measure the voltage between rear wiper motor C476-3, circuit 411 (BK/LB), harness side and ground.
      Fig 4: Checking Circuit 411 (BK/LB) For Short To Voltage
      G04622453Courtesy of FORD MOTOR CO.
    • Is any voltage present? 

    Yes  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.

    No  : GO to D6.

  6. D6 CHECK FOR CORRECT SJB OPERATION 
    • Disconnect all the SJB connectors.
    • Check for:
      • corrosion.
      • pushed-out pins.
    • Connect all the SJB 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 SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES . REPEAT the SJB self-test.

    TEST the system for normal operation.

    No  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.

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