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Pinpoint Test E: 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. E1 CHECK THE RH REAR WINDOW OPERATION FROM THE LH FRONT WINDOW CONTROL SWITCH 
    • Ignition ON.
    • Operate the RH rear window from the LH front window control switch.
    • Does the RH rear window operate from the LH front window control switch? 
    • Yes:  GO to E2  .
    • No:  GO to  E3.
  2. E2 CHECK CIRCUIT CPW14 (VT/WH) FOR VOLTAGE 
    • Ignition OFF.
    • Disconnect: RH Rear Window Control Switch C801.
    • Ignition ON.
    • Measure the voltage between RH rear window control switch C801-3, circuit CPW14 (VT/WH), harness side and ground.
      Fig 1: Measuring Voltage Between RH Rear Window Control Switch C801-3, Circuit CPW14 (VT/WH), Harness Side And Ground
      G07440837Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes:  INSTALL a new RH rear window control switch. REFER to WINDOW CONTROL SWITCH  in this service information. TEST the system for normal operation.
    • No:  REPAIR the circuit. TEST the system for normal operation.
  3. E3 CHECK CIRCUITS CPW23 (GY) AND CPW24 (WH/VT) FOR VOLTAGE AND GROUND 
    • Ignition OFF.
    • Disconnect: RH Rear Window Motor C803.
    • Ignition ON.
    • Measure the voltage between RH rear window motor C803-2, circuit CPW23 (GY), harness side and RH rear window motor C803-1, circuit CPW24 (WH/VT), harness side while operating the RH rear window control switch in the DOWN then UP positions.
      Fig 2: Measuring Voltage Between RH Rear Window Motor C803-2, Circuit CPW23 (GY) And RH Rear Window Motor C803-1, Circuit CPW24 (WH/VT)
      G07440838Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts in both switch directions? 
    • Yes:  INSTALL a new window regulator and motor. REFER to WINDOW REGULATOR - REAR DOOR  in this service information. TEST the system for normal operation.
    • No:  GO to E4  .
  4. E4 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 COMPONENT TESTING article for component testing.

    • Did the RH rear window control switch pass the component test? 
    • Yes:  GO to E5  .
    • No:  INSTALL a new RH rear window control switch. REFER to WINDOW CONTROL SWITCH  in this service information. TEST the system for normal operation.
  5. E5 CHECK CIRCUITS CPW23 (GY) AND CPW24 (WH/VT) FOR AN OPEN 
    • Measure the resistance between RH rear window control switch, harness side, and RH rear window motor, harness side using the following chart:
      CIRCUIT REFERENCE CHART

      RH Rear Window Control Switch Circuit RH Rear Window Motor
      C801-5 CPW24 (WH/VT) C803-1
      C801-2 CPW23 (GY) C803-2
      Fig 3: Measuring Resistance Between RH Rear Window Control Switch, Harness Side, And RH Rear Window Motor, Harness Side
      G07440839Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    • Yes:  GO to E6  .
    • No:  REPAIR the circuit. TEST the system for normal operation.
  6. E6 CHECK CIRCUITS CPW23 (GY) AND CPW24 (WH/VT) FOR A SHORT TO GROUND 
    • Measure the resistance between RH rear window control switch C801-5, circuit CPW24 (WH/VT), harness side and ground; and between RH rear window control switch C801-2, circuit CPW23 (GY), harness side and ground.
      Fig 4: Measuring Resistance Between RH Rear Window Control Switch C801-5, Circuit CPW24 (WH/VT), Harness Side And Ground
      G07440840Courtesy of FORD MOTOR CO.
    • Are the resistances greater than 10,000 ohms? 
    • Yes:  GO to E7  .
    • No:  REPAIR the circuit(s) in question. TEST the system for normal operation.
  7. E7 CHECK CIRCUITS CPW17 (BN/GN) AND CPW18 (GY/VT) FOR AN OPEN 
    • Disconnect: LH Front Window Control Switch C504B.
    • Measure the resistance between LH front window control switch, harness side and RH rear window control switch, harness side using the following chart:
      CIRCUIT REFERENCE CHART

      LH Front Window Control Switch Circuit RH Rear Window Control Switch
      C504B-4 CPW17 (BN/GN) C801-1
      C504B-8 CPW18 (GY/VT) C801-6
      Fig 5: Measuring Resistance Between LH Front Window Control Switch, Harness Side And RH Rear Window Control Switch, Harness Side
      G07440841Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    • Yes:  GO to E8  .
    • No:  REPAIR the circuit. TEST the system for normal operation.
  8. E8 CHECK CIRCUITS CPW17 (BN/GN) AND CPW18 (GY/VT) FOR A SHORT TO GROUND 
    Fig 6: Measuring Resistance Between RH Rear Window Control Switch C801-1, Circuit CPW17 (BN/GN), Harness Side And Ground
    G07440842Courtesy of FORD MOTOR CO.
    • Measure the resistance between RH rear window control switch C801-1, circuit CPW17 (BN/GN), harness side and ground; and between RH rear window control switch C801-6, circuit CPW18 (GY/VT), harness side and ground.
    • Are the resistances greater than 10,000 ohms? 
    • Yes:  INSTALL a new LH front window control switch. REFER to WINDOW CONTROL SWITCH  in this service information. TEST the system for normal operation.
    • No:  REPAIR the circuit.

      TEST the system for normal operation.

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