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Pinpoint Test D: The Wash And Wipe Function Is Inoperative

CAUTION: Use the correct probe adaptor(s) when making measurements. Failure to use the correct probe adaptor(s) may damage the connector.
  1. D1 CHECK FOR CORRECT WIPER OPERATION 
    • Key in ON position.
    • Turn the wiper/washer switch to the wash and wipe function.
    • Do the wipers operate correctly? 
    1. YES  : Go to Pinpoint Test I  to diagnose the washer pump.
    2. NO  : Go to  D2.
  2. D2 CHECK THE INTERMITTENT WIPER MODE 
    • Turn the wiper/washer switch to the intermittent wiper function.
    • Does the wiper operate correctly in the intermittent mode? 
    1. YES  : Go to  D3.
    2. NO  : Go to Pinpoint Test H  to diagnose the intermittent wiper mode.
  3. D3 CHECK CIRCUIT 32-KA6 (WH/BK) FOR AN OPEN OR SHORT TO GROUND 
    • Key in OFF position.
    • Disconnect: Wiper/Washer Switch C2081
    • Disconnect: GEM C201d
      • Fig 1: Measuring Resistance
      GF0038927Courtesy of FORD MOTOR CO.
    • Measure the resistance between the GEM C201d-5, circuit 32-KA6 (WH/BK), harness side and the wiper/washer switch C2081-2, circuit 32-KA6 (WH/BK), harness side; and between the GEM C201d-5, circuit 32-KA6 (WH/BK), harness side and ground.
    • Is the resistance less than 5 ohms between the GEM and wiper/washer switch, and greater than 10,000 ohms between the GEM and ground? 
    1. YES  : Go to  D4.
    2. NO  : REPAIR the circuit. CLEAR the DTCs. TEST the system for normal operation.
  4. D4 CHECK FOR CORRECT GEM OPERATION 
    • Disconnect all the GEM connectors.
    • Check for:
      • corrosion.
      • pushed-out pins.
    • Connect all the GEM connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    1. YES  : INSTALL a new GEM. REFER to MULTIFUNCTION ELECTRONIC MODULES article. TEST the system for normal operation.
    2. 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.
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