LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 403 (Windows And Glass - Glass, Frames And Mechanisms) >> Diagnosis And Testing >> Glass, Frames and Mechanisms >> Pinpoint Tests >> Pinpoint Test E: A Single Power Window is Inoperative - LH or RH Rear >> Pinpoint Test E: A Single Power Window Is Inoperative - LH Or RH Rear

Pinpoint Test E: A Single Power Window Is Inoperative - LH Or RH Rear

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
  1. E1 CHECK THE VOLTAGE TO THE LH OR RH REAR WINDOW CONTROL SWITCH 
    • Disconnect: Inoperative Rear Window Control Switch C717 (LH) or C819 (RH).
    • Ignition ON.
    • NOTE: Set the window lock switch to the UNLOCK position.

      For an inoperative LH rear window, measure the voltage between LH rear window control switch C717-3, circuit CPW14 (VT/WH), harness side and ground.

      Fig 1: Measuring Voltage Between LH Rear Window Control Switch C717-3, Circuit CPW14 (VT/WH), Harness Side And Ground
      G06780591Courtesy of FORD MOTOR CO.
    • NOTE: Set the window lock switch to the UNLOCK position.

      For an inoperative RH rear window, measure the voltage between RH rear window control switch C819-3, circuit CPW14 (VT/WH), harness side and ground.

      Fig 2: Measuring Voltage Between RH Rear Window Control Switch C819-3, Circuit CPW14 (VT/WH), Harness Side And Ground
      G06780591Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes  : GO to E2.
    • No  : REPAIR the circuit. TEST the system for normal operation.
  2. E2 CHECK THE GROUNDS TO THE INOPERATIVE REAR WINDOW CONTROL SWITCH 
    • Ignition OFF.
    • For an inoperative LH rear window, measure the resistance between LH rear window control switch C717-6, circuit CPW16 (BU/OG), harness side and ground; and between LH rear window control switch C717-1, circuit CPW15 (YE), harness side and ground.
      Fig 3: Checking Grounds To The LH Inoperative Rear Window Control Switch
      G06780607Courtesy of FORD MOTOR CO.
    • For an inoperative RH rear window, measure the resistance between RH rear window control switch C819-6, circuit CPW18 (GY/VT), harness side and ground; and between RH rear window control switch C819-1, circuit CPW17 (BN/GN), harness side and ground.
      Fig 4: Checking Grounds To The RH Inoperative Rear Window Control Switch
      G06780607Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    • Yes  : GO to  E4.
    • No  : GO to E3.
  3. E3 CHECK THE CIRCUITS TO THE INOPERATIVE REAR WINDOW CONTROL SWITCH FOR AN OPEN 
    • Ignition OFF.
    • Disconnect: LH Front Window Control Switch C566B.
    • For an inoperative LH rear window, measure the resistance between LH front window control switch C566B, harness side and LH rear window control switch C717, harness side using the following chart:
      LH Rear Window Control Switch Circuit LH Front Window Control Switch
      C717-6 CPW16 (BU/OG) C566B-2
      C717-1 CPW15 (YE) C566B-1
      Fig 5: Measuring Resistance Between LH Front Window Control Switch C566B And LH Rear Window Control Switch C717
      G07975293Courtesy of FORD MOTOR CO.
    • For an inoperative RH rear window, measure the resistance between LH front window control switch C566B, harness side and RH rear window control switch C819, harness side using the following chart:
      RH Rear Window Control Switch Circuit LH Front Window Control Switch
      C819-6 CPW18 (GY/VT) C566B-8
      C819-1 CPW17 (BN/GN) C566B-7
      Fig 6: Measuring Resistance Between LH Front Window Control Switch C566B And RH Rear Window Control Switch C819
      G07975293Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    • Yes  : INSTALL a new LH front window control switch. REFER to WINDOW CONTROL SWITCH . TEST the system for normal operation.
    • No  : REPAIR the circuit(s). TEST the system for normal operation.
  4. E4 CHECK THE INOPERATIVE WINDOW CONTROL SWITCH 
    NOTE: Set the window lock switch to the UNLOCK position.
    • Ignition ON.
    • For an inoperative RH rear window, connect a fused jumper wire between RH rear window control switch C819-1, circuit CPW17 (BN/GN) and RH rear window control switch C819-5, circuit CPW24 (WH/VT); and between RH rear window control switch C819-3, circuit CPW14 (VT/WH) and RH rear window control switch C819-2, circuit CPW23 (GY). The RH rear window should operate in the downward direction.
      Fig 7: Connecting Fused Jumper Wire Between RH Rear Window Control Switch C819-1, Circuit CPW17 (BN/GN) And RH Rear Window Control Switch C819-5, Circuit CPW24 (WH/VT)
      G06780610Courtesy of FORD MOTOR CO.
    • For an inoperative LH rear window, connect a fused jumper wire between LH rear window control switch C717-1, circuit CPW15 (YE) and LH rear window control switch C717-5, circuit CPW22 (GN/VT); and between LH rear window control switch C717-3, circuit CPW14 (VT/WH) and LH rear window control switch C717-2, circuit CPW21 (BN). The LH rear window should operate in the downward direction.
      Fig 8: Connecting Fused Jumper Wire Between LH Rear Window Control Switch C717-1, Circuit CPW15 (YE) And LH Rear Window Control Switch C717-5, Circuit CPW22 (GN/VT)
      G06780610Courtesy of FORD MOTOR CO.
    • For an inoperative RH rear window, connect a fused jumper wire between RH rear window control switch C819-6, circuit CPW18 (GY/VT) and RH rear window control switch C819-2, circuit CPW23 (GY); and between RH rear window control switch C819-3, circuit CPW14 (VT/WH) and RH rear window control switch C819-5, circuit CPW24 (WH/VT). The RH rear window should operate in the upward direction.
      Fig 9: Connecting Fused Jumper Wire Between RH Rear Window Control Switch C819-6, Circuit CPW18 (GY/VT) And RH Rear Window Control Switch C819-2, Circuit CPW23 (GY)
      G06780611Courtesy of FORD MOTOR CO.
    • For an inoperative LH rear window, connect a fused jumper wire between LH rear window control switch C717-6, circuit CPW16 (BU/OG) and LH rear window control switch C717-2, circuit CPW21 (BN); and between LH rear window control switch C717-3, circuit CPW14 (VT/WH) and LH rear window control switch C717-5, circuit CPW22 (GN/VT). The LH rear window should operate in the upward direction.
      Fig 10: Connecting Fused Jumper Wire Between LH Rear Window Control Switch C717-6, Circuit CPW16 (BU/OG) And LH Rear Window Control Switch C717-2, Circuit CPW21 (BN)
      G06780611Courtesy of FORD MOTOR CO.
    • Does the window operate correctly? 
    • Yes  : If the rear window did not operate with the rear window control switch, INSTALL a new rear window control switch. If the rear window operated with the rear window control switch but not with the LH front window control switch, INSTALL a new LH front window control switch. REFER to WINDOW CONTROL SWITCH . TEST the system for normal operation.
    • No  : GO to E5.
  5. E5 CHECK THE POWER WINDOW MOTOR CIRCUITS 
    • Ignition OFF.
    • Disconnect: Inoperative Rear Window Motor C726 (LH) or C828 (RH).
    • For an inoperative LH rear window motor, measure the resistance between LH rear window control switch C717-5, circuit CPW22 (GN/VT) and LH rear window motor C726-2, circuit CPW22 (GN/VT), harness side.
    • For an inoperative RH rear window motor, measure the resistance between RH rear window control switch C819-5, circuit CPW24 (WH/VT) and RH rear window motor C828-2, circuit CPW24 (WH/VT), harness side.
      Fig 11: Measuring Resistance Between RH Rear Window Control Switch C819-5, Circuit CPW24 (WH/VT) And RH Rear Window Motor C828-2, Circuit CPW24 (WH/VT)
      G07975299Courtesy of FORD MOTOR CO.
    • For an inoperative LH rear window motor, measure the resistance between LH rear window control switch C717-2, circuit CPW21 (BN) and LH rear window motor C726-1, circuit CPW21 (BN), harness side.
    • For an inoperative RH rear window motor, measure the resistance between RH rear window control switch C819-2, circuit CPW23 (GY) and RH rear window motor C828-1, circuit CPW23 (GY), harness side.
      Fig 12: Measuring Resistance Between RH Rear Window Control Switch C819-2, Circuit CPW23 (GY) And RH Rear Window Motor C828-1, Circuit CPW23 (GY)
      G07975300Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    • Yes  : INSTALL a new RH or LH rear window regulator and motor. REFER to WINDOW REGULATOR AND MOTOR - REAR DOOR . TEST the system for normal operation.
    • No  : REPAIR the circuit(s). TEST the system for normal operation.
scientia non olet · About LEMON Manuals