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Pinpoint Test C: A Single Power Window Is Inoperative - LH Front

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NOTE: Use the correct probe adapter(s) from the Flex Probe Kit when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
  1. C1 CHECK THE VOLTAGE TO THE POWER WINDOW MOTOR 
    • Ignition OFF.
    • Disconnect: LH Front Power Window Motor C524.
    • Measure the voltage between LH front power window motor C524-2, circuit SBP01 (RD), harness side and ground.
      Fig 1: Measuring Voltage Between LH Front Power Window Motor C524-2, Circuit SBP01 (RD) And Ground
      G07413970Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes  : GO to C2.
    • No  : VERIFY Body Control Module (BCM) fuse 1 (30A) is OK. If OK, REPAIR the circuit. DE-INITIALIZE, then INITIALIZE the LH front power window motor. REFER to WINDOW MOTOR INITIALIZATION . TEST the system for normal operation.

      If not OK, REFER to the OEM ELECTRICAL WIRING DIAGRAM INTRODUCTION article to identify the possible causes of the circuit short. REPAIR the circuit. DE-INITIALIZE, then INITIALIZE the LH front power window motor. REFER to WINDOW MOTOR INITIALIZATION . TEST the system for normal operation.

  2. C2 CHECK THE LH FRONT POWER WINDOW MOTOR DELAYED ACCESSORY FEED 
    • Ignition ON.
    • Measure the voltage between LH front power window motor C524-6, circuit CBP32 (GN/VT), harness side and ground.
      Fig 2: Measuring Voltage Between LH Front Power Window Motor C524-6, Circuit CBP32 (GN/VT) And Ground
      G07413971Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes  : GO to C3.
    • No  : VERIFY Body Control Module (BCM) fuse 32 (15A) is OK. If OK, REPAIR the circuit. DE-INITIALIZE, then INITIALIZE the LH front power window motor. REFER to WINDOW MOTOR INITIALIZATION . TEST the system for normal operation. If not OK, REFER to the OEM ELECTRICAL WIRING DIAGRAM INTRODUCTION article to identify the possible causes of the circuit short. REPAIR the circuit. DE-INITIALIZE, then INITIALIZE the LH front power window motor. REFER to WINDOW MOTOR INITIALIZATION . TEST the system for normal operation.
  3. C3 CHECK THE LH FRONT POWER WINDOW MOTOR GROUND 
    • Ignition OFF.
    • Measure the resistance between LH front power window motor C524-1, circuit GD134 (BK/VT), harness side and ground.
      Fig 3: Measuring Resistance Between LH Front Power Window Motor C524-1, Circuit GD134 (BK/VT) And Ground
      G07413972Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : GO to C4.
    • No  : REPAIR the circuit. DE-INITIALIZE, then INITIALIZE the LH front power window motor. REFER to WINDOW MOTOR INITIALIZATION . TEST the system for normal operation.
  4. C4 CHECK THE WINDOW CONTROL SWITCH TO LH FRONT MOTOR CIRCUITS FOR AN OPEN 
    • Disconnect: LH Front Window Control Switch C504 (regular cab) or C535A (SuperCab or SuperCrew).
    • Measure the resistance between LH front power window motor and LH front window control switch.
      • For regular cab, measure the resistance between LH front power window motor C524-7, circuit CPW10 (YE/VT), harness side and LH front window control switch C504-8, circuit CPW10 (YE/VT), harness side.
      • For SuperCab or SuperCrew, measure the resistance between LH front power window motor C524-7, circuit CPW10 (YE/VT), harness side and LH front window control switch C535A-8, circuit CPW10 (YE/VT), harness side.
        Fig 4: Checking Window Control Switch To LH Front Motor Circuits For Open
        G07413973Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : GO to C5.
    • No  : REPAIR the circuit. DE-INITIALIZE, then INITIALIZE the LH front power window motor. REFER to WINDOW MOTOR INITIALIZATION . TEST the system for normal operation.
  5. C5 CHECK THE WINDOW CONTROL SWITCH TO LH FRONT MOTOR CIRCUITS FOR AN OPEN 
    • Measure the resistance between LH front power window motor and LH front window control switch.
      • For regular cab, measure the resistance between LH front power window motor C524-3, circuit CPW11 (BU/GY), harness side and LH front window control switch C504-4, circuit CPW11 (BU/GY), harness side.
      • For SuperCab or SuperCrew, measure the resistance between LH front power window motor C524-3, circuit CPW11 (BU/GY), harness side and LH front window control switch C535A-4, circuit CPW11 (BU/GY), harness side.
        Fig 5: Checking Window Control Switch To LH Front Motor Circuits For Open
        G07413974Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : GO to C6.
    • No  : REPAIR the circuit. DE-INITIALIZE, then INITIALIZE the LH front power window motor. REFER to WINDOW MOTOR INITIALIZATION . TEST the system for normal operation.
  6. C6 CHECK THE LH FRONT WINDOW CONTROL SWITCH 
    • Carry out the LH front window control switch component test. Refer to OEM WIRING DIAGRAMS COMPONENT TESTING for component testing.
    • Did the window control switch pass the component test? 
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