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Pinpoint Test H: A Single Power Window Is Inoperative - RH Rear Window

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. H1 CHECK THE RH REAR WINDOW OPERATION FROM THE MASTER WINDOW CONTROL SWITCH 
    • Ignition ON.
    • Operate the RH rear window from the master window control switch.
    • Does the RH rear window operate from the master window control switch? 
    • Yes  : GO to  H2.
    • No  : GO to  H3.
  2. H2 CHECK FOR VOLTAGE TO THE RH REAR WINDOW CONTROL SWITCH 
    • Ignition OFF.
    • Disconnect: RH Rear Window Control Switch C801.
    • Ignition ON.
      • NOTE: Make sure the window lock-out switch is in the UNLOCK position.
      Fig 1: Measuring Voltage Between RH Rear Window Control Switch C801-2, Circuit CPW01 (BN/BU), Harness Side And Ground
      G06938535Courtesy of FORD MOTOR CO.
    • Measure the voltage between RH rear window control switch C801-2, circuit CPW01 (BN/BU), harness side and ground.
    • Is the voltage greater than 10 volts? 
    • Yes  : INSTALL a new RH rear window control switch. REFER to Window Control Switch . TEST the system for normal operation.
    • No  : REPAIR the circuit. TEST the system for normal operation.
  3. H3 CHECK FOR VOLTAGE AND GROUND TO THE WINDOW MOTOR 
    • Ignition OFF.
    • Disconnect: RH Rear Power Window Motor C803.
    • Ignition ON.
      • NOTE: During the following step, the voltage being measured changes polarity dependent upon which direction the window control switch is activated.
      Fig 2: Checking Voltage And Ground To Window Motor
      G06938536Courtesy of FORD MOTOR CO.
    • Measure the voltage between RH rear power window motor C803-1, circuit CPW24 (WH/VT), harness side and RH rear power window motor C803-2, circuit CPW23 (GY), harness side while operating the master window control switch in the down then up positions.
    • Is the voltage greater than 10 volts when the window control switch is operated and 0 volt in the rest position? 
  4. H4 CHECK THE RH REAR WINDOW CONTROL SWITCH 
    • Ignition OFF.
    • Disconnect: RH Rear Window Control Switch C801.
    • Carry out the window control switch component test on the RH rear window control switch.

      Refer to OEM WIRING DIAGRAMS COMPONENT TESTING for component testing.

    • Did the RH rear window control switch pass the component test? 
    • Yes  : GO to  H5.
    • No  : INSTALL a new RH rear window control switch. REFER to Window Control Switch . TEST the system for normal operation.
  5. H5 CHECK FOR AN OPEN CIRCUIT BETWEEN THE REAR WINDOW CONTROL SWITCH AND THE WINDOW MOTOR 
    • Measure the resistance between RH rear window control switch C801, harness side and RH rear power window motor C803, harness side, using the following chart:
      RH Rear Window Control Switch Circuit RH Rear Power Window Motor
      C801-1 CPW24 (WH/VT) C803-1
      C801-7 CPW23 (GY) C803-2
      Fig 3: Measuring Resistance Between RH Rear Window Control Switch C801 And RH Rear Power Window Motor C803, Harness Side
      G06938545Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    • Yes  : GO to  H6.
    • No  : REPAIR the circuit(s). TEST the system for normal operation.
  6. H6 CHECK FOR AN OPEN CIRCUIT BETWEEN THE RH REAR WINDOW CONTROL SWITCH AND THE MASTER WINDOW CONTROL SWITCH 
    • Disconnect: Master Window Control Switch C504C.
    • Measure the resistance between master window control switch C504C, harness side and RH rear window control switch C801, harness side using the following chart:
      Master Window Control Switch Circuit RH Rear Window Control Switch
      C504C-5 CPW17 (BN/GN) C801-3
      C504C-6 CPW18 (GY/VT) C801-6
      Fig 4: Measuring Resistance Between Master Window Control Switch C504C And RH Rear Window Control Switch C801, Harness Side
      G06938546Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    • Yes  : INSTALL a new master window control switch. REFER to Window Control Switch . TEST the system for normal operation.
    • No  : REPAIR the circuit(s). CARRY OUT the window motor initialization procedure. REFER to Window Motor Initialization . TEST the system for normal operation.
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