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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 461 (Window And Glass) >> Diagnosis And Testing >> Glass, Frames and Mechanisms >> Pinpoint Tests >> Pinpoint Test C: A Single Power Window Is Inoperative - Passenger Front >> Pinpoint Test C: A Single Power Window Is Inoperative - Passenger Front

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

WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
  1. C1 CHECK THE OPERATION FROM THE DRIVER WINDOW CONTROL SWITCH 
    • Key in ON position.
    • Operate the front passenger window from the driver window control switch.
    • Does the front passenger window operate from the driver window control switch? 

    Yes  : VERIFY the window lock button is off. If the button is off, GO to  C10.

    No  : GO to C2.

  2. C2 CHECK THE DOWN INPUT TO THE WINDOW MOTOR 
    • Key in OFF position.
    • Disconnect: Front Passenger Window Motor C608.
    • Key in ON position.
    • While pressing the driver window control switch to the front passenger down position, measure the voltage between the front passenger window motor C608-2, circuit 333 (YE/RD), harness side and ground.
      Fig 1: Checking The Down Input To The Window Motor
      G04586028Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 

    Yes  : GO to  C6.

    No  : GO to C3.

  3. C3 CHECK THE DOWN INPUT TO THE FRONT PASSENGER WINDOW CONTROL SWITCH 
    • Disconnect: Front Passenger Window Control Switch C624.
    • While pressing the driver window control switch to the passenger window down position, measure the voltage between the front passenger window control switch C624-5, circuit 314 (TN/LB), harness side and ground.
      Fig 2: Checking The Down Input To The Front Passenger Window Control Switch
      G04586029Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 

    Yes  : GO to  C5.

    No  : GO to C4.

  4. C4 CHECK CIRCUIT 314 (TN/LB) FOR AN OPEN OR A SHORT TO GROUND 
    • Key in OFF position.
    • Disconnect: Driver Window Switch C504a.
    • Measure the resistance between the front passenger window control switch C624-5, circuit 314 (TN/LB), harness side and the driver window control switch C504a-8, circuit 314 (TN/LB), harness side; and between front passenger window control switch C624-5, circuit 314 (TN/LB), harness side and ground.
      Fig 3: Check Circuit 314 (TN/LB) For An Open Or A Short To Ground
      G04586030Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms between the front passenger window control switch and driver window control switch, and greater than 10,000 ohms between the front passenger window control switch and ground? 

    Yes  : INSTALL a new driver window control switch. TEST the system for normal operation.

    No  : REPAIR the circuit. TEST the system for normal operation.

  5. C5 CHECK CIRCUIT 333 (YE/RD) FOR AN OPEN OR A SHORT TO GROUND 
    • Key in OFF position.
    • Measure the resistance between the front passenger window motor C608-2, circuit 333 (YE/RD), harness side and the front passenger window control switch C624-6, circuit 333 (YE/RD), harness side; and between front passenger window motor C608-2, circuit 333 (YE/RD), harness side and ground.
      Fig 4: Checking Circuit 333 (YE/RD) For An Open Or A Short To Ground
      G04586031Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms between the front passenger window motor and front passenger window control switch, and greater than 10,000 ohms between the front passenger window motor and ground? 

    Yes  : INSTALL a new front passenger window control switch. TEST the system for normal operation.

    No  : REPAIR the circuit. TEST the system for normal operation.

  6. C6 CHECK CIRCUIT 334 (RD/YE) FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: Front Passenger Window Control Switch C624.
    • Measure the resistance between the front passenger window motor C608-1, circuit 334 (RD/YE), harness side and the front passenger window control switch C624-2, circuit 334 (RD/YE), harness side.
      Fig 5: Checking Circuit 334 (RD/YE) For An Open
      G04586032Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 

    Yes  : GO to C7.

    No  : REPAIR the circuit. TEST the system for normal operation.

  7. C7 CHECK CIRCUIT 313 (WH/YE) FOR AN OPEN 
    • Disconnect: Driver Window Control Switch C504a.
    • Measure the resistance between the driver window control switch C504a-7, circuit 313 (WH/YE), harness side and the front passenger window control switch C624-3, circuit 313 (WH/YE), harness side.
      Fig 6: Checking Circuit 313 (WH/YE) For An Open
      G04586033Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 

    Yes  : GO to C8.

    No  : REPAIR the circuit. TEST the system for normal operation.

  8. C8 CHECK THE FRONT PASSENGER WINDOW CONTROL SWITCH FOR CORRECT OPERATION 
    • Check the front passenger window control switch. Refer to COMPONENT TESTING for schematic and connector information.
    • Is the front passenger window control switch OK? 

    Yes  : GO to C9.

    No  : INSTALL a new front passenger window control switch. TEST the system for normal operation.

  9. C9 CHECK THE DRIVER WINDOW CONTROL SWITCH FOR CORRECT OPERATION 
    • Check the driver window control switch. Refer to COMPONENT TESTING for schematic and connector information.
    • Is the driver window control switch OK? 

    Yes  : INSTALL a new front passenger window regulator and motor. REFER to WINDOW REGULATOR MOTOR - FRONT DOOR . TEST the system for normal operation.

    No  : INSTALL a new driver window control switch. TEST the system for normal operation.

  10. C10 CHECK CIRCUIT 170 (RD/LB) FOR VOLTAGE 
    • Disconnect: Front Passenger Window Control Switch C604.
    • Measure the voltage between the front passenger window control switch C624-4, circuit 170 (RD/LB), harness side and ground.
      Fig 7: Measuring Voltage Between Front Passenger Window Control Switch C624-4, Circuit 170 (RD/LB), Harness Side And Ground
      G04586034Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 

    Yes  : INSTALL a new front passenger window control switch. TEST the system for normal operation.

    No  : REPAIR the circuit. TEST the system for normal operation.

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