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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 189 (Windows And Glass - Glass, Frames And Mechanisms - F150) >> Diagnosis And Testing >> Glass, Frames and Mechanisms >> Pinpoint Tests >> Pinpoint Test E: A Single Power Window is Inoperative - LH Rear >> Pinpoint Test E: A Single Power Window Is Inoperative - LH Rear

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

WARNING: This page is about a different car, the 2012 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
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 VOLTAGE TO THE LH REAR WINDOW CONTROL SWITCH 
    • Disconnect: LH Rear Window Control Switch C701.
    • Ignition ON.
      NOTE: Set the LH front window lock-out switch to the UNLOCK position.

      Measure the voltage between LH rear window control switch C701-2, circuit CPW14 (VT/WH), harness side and ground.

      Fig 1: Measuring Voltage Between LH Rear Window Control Switch C701-2, Circuit CPW14 (VT/WH), Harness Side And Ground
      G06173641Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
      • Yes  : GO to  E3.
      • No  : GO to E2.
  2. E2 CHECK THE WINDOW CONTROL SWITCH POWER CIRCUIT FOR AN OPEN 
    • Ignition OFF.
    • Disconnect: LH Front Window Control Switch C535B.
    • Measure the resistance between LH rear window control switch C701-2, circuit CPW14 (VT/WH), harness side and LH front window control switch C535B-4, circuit CPW14 (VT/WH), harness side.
      Fig 2: Measuring Resistance Between LH Rear Window Control Switch C701-2, Circuit CPW14 (VT/WH) And LH Front Window Control Switch C535B-4, Circuit CPW14 (VT/WH)
      G07413984Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
      • Yes  : INSTALL a new LH front window control switch. REFER to WINDOW CONTROL SWITCH - FRONT  . TEST the system for normal operation.
      • No  : REPAIR the circuit. TEST the system for normal operation.
  3. E3 CHECK THE GROUNDS TO THE LH REAR WINDOW CONTROL SWITCH 
    • Ignition OFF.
    • Measure the resistance between LH rear window control switch C701-1, circuit CPW16 (BU/OG), harness side and ground; and between LH rear window control switch C701-3, circuit CPW15 (YE), harness side and ground.
      Fig 3: Measuring Resistance Between LH Rear Window Control Switch C701-1, Circuit CPW16 (BU/OG), Harness Side And Ground
      G06173643Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
      • Yes  : GO to  E5.
      • No  : GO to E4.
  4. E4 CHECK THE CIRCUITS TO THE LH REAR WINDOW CONTROL SWITCH FOR AN OPEN 
    • Disconnect: LH Front Window Control Switch C535B.
    • Measure the resistance between LH rear window control switch C701, harness side and LH front window control switch C535B, harness side using the following chart:
      LH Rear Window Control Switch Circuit LH Front Window Control Switch
      C701-3 CPW15 (YE) C535B-6
      C701-1 CPW16 (BU/OG) C535B-5
      Fig 4: Measuring Resistance Between LH Rear Window Control Switch C701 And LH Front Window Control Switch C535B, Harness Side
      G07413986Courtesy 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 - FRONT  . TEST the system for normal operation.
      • No  : REPAIR the circuit(s). TEST the system for normal operation.
  5. E5 CHECK THE LH REAR WINDOW OPERATION 
    • Ignition ON.
      NOTE: Set the LH front window lock-out switch to the UNLOCK position.
    • Connect a fused jumper wire between LH rear window control switch C701-2, circuit CPW14 (VT/WH), harness side and C701-6, circuit CPW21 (BN), harness side; and a second fused jumper wire between LH rear window control switch C701-4, circuit CPW22 (GN/VT), harness side and C701-1, circuit CPW16 (BU/OG), harness side. The LH rear window should operate in the upward direction.
      Fig 5: Connecting Fused Jumper Wire Between LH Rear Window Control Switch C701-2, Circuit CPW14 (VT/WH) And C701-6, Circuit CPW21 (BN), Harness Side
      G06173646Courtesy of FORD MOTOR CO.
    • Connect a fused jumper wire between LH rear window control switch C701-2, circuit CPW14 (VT/WH), harness side and C701-4, circuit CPW22 (GN/VT), harness side; and a second fused jumper wire between LH rear window control switch C701-6, circuit CPW21 (BN), harness side and C701-3, circuit CPW15 (YE), harness side. The LH rear window should operate in the downward direction.
      Fig 6: Connecting Fused Jumper Wire Between LH Rear Window Control Switch C701-2, Circuit CPW14 (VT/WH) And C701-4, Circuit CPW22 (GN/VT), Harness Side
      G06173647Courtesy of FORD MOTOR CO.
    • Does the LH rear window operate correctly? 
      • Yes  : If the LH rear window did not operate with the LH rear window control switch, INSTALL a new LH rear window control switch. REFER to WINDOW CONTROL SWITCH - REAR  . TEST the system for normal operation.

        If the LH rear window did operate with the LH 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 - FRONT  . TEST the system for normal operation.

      • No  : GO to E6.
  6. E6 CHECK THE POWER WINDOW MOTOR CIRCUITS FOR AN OPEN 
    • Ignition OFF.
    • Disconnect: LH Rear Power Window Motor C726 (SuperCab) or C703 (SuperCrew).
    • For SuperCab, measure the resistance between LH rear window control switch C701, harness side and LH rear power window motor C726, harness side using the following chart:
      LH Rear Window Control Switch Circuit LH Rear Power Window Motor
      C701-6 CPW21 (BN) C726-1
      C701-4 CPW22 (GN/VT) C726-2
      Fig 7: Measuring Resistance Between LH Rear Window Control Switch C701 And LH Rear Power Window Motor C726, Harness Side
      G06173655Courtesy of FORD MOTOR CO.
    • For SuperCrew, measure the resistance between LH rear window control switch C701, harness side and LH rear power window motor C703, harness side using the following chart:
      LH Rear Window Control Switch Circuit LH Rear Power Window Motor
      C701-6 CPW21 (BN) C703-1
      C701-4 CPW22 (GN/VT) C703-2
      Fig 8: Measuring Resistance Between LH Rear Window Control Switch C701 And LH Rear Power Window Motor C703, Harness Side
      G06173648Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
      • Yes  : INSTALL a new LH rear power window motor. REFER to WINDOW REGULATOR MOTOR  . TEST the system for normal operation.
      • No  : REPAIR the circuit(s). TEST the system for normal operation.