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Home >> Mercury >> 2008 >> Milan Base, 2.3 Z, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1393 (Windows & Glass - Glass, Frames & Mechanisms) >> Diagnostic Tests >> Glass, Frames and Mechanisms >> Pinpoint Tests >> Pinpoint Test G: A Single Power Window is Inoperative- Fusion, Milan, RH Front, LH or RH Rear >> Pinpoint Test G: A Single Power Window Is Inoperative - Fusion, MILAN, RH Front, LH Or RH Rear

Pinpoint Test G: A Single Power Window Is Inoperative - Fusion, MILAN, RH Front, LH Or RH Rear

WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
  1. G1 CHECK THE VOLTAGE TO THE RH FRONT, LH REAR OR RH REAR WINDOW CONTROL SWITCH 
    • Disconnect: Inoperative Rear Window Control Switch C604 (RH front), C701 (LH rear) or C819 (RH rear)
    • Key in ON position.
      • Fig 1: Checking Voltage To RH Front, LH Rear Or RH Rear Window Control Switch
      GF0028368Courtesy of FORD MOTOR CO.
      NOTE: Set the LH front window lock switch to the UNLOCK position.
    • Measure the voltage between the inoperative rear window connector and ground:
      • for the RH front window control switch, measure the voltage between RH front window control switch C604-3, circuit CPW14 (VT/WH), harness side and ground.
      • for the RH rear window control switch, measure the voltage between RH rear window control switch C819-3, circuit CPW14 (VT/WH), harness side and ground.
      • for the LH rear window control switch, measure the voltage between C701-3, circuit CPW14 (VT/WH), harness side and ground.
    • Is the voltage greater than 10 volts? 
    1. YES  : Go to  G3.
    2. NO  : Go to  G2.
  2. G2 CHECK FOR OPEN IN CIRCUIT CPW14 (VT/WH) 
    • Disconnect: LH Front Window Control Switch C504B
    • Key in OFF position.
      • Fig 2: Checking For Open In Circuit CPW14 (VT/WH)
      GF0028379Courtesy of FORD MOTOR CO.
    • Measure the resistance between the inoperative rear window connector and the LH front window control switch connector:
      • for the RH front window control switch, measure the resistance between RH front window control switch C604-3, circuit CPW14 (VT/WH), harness side and LH front window control switch C504B-2, circuit CPW14 (VT/WH), harness side.
      • for the RH rear window control switch, measure the resistance between RH rear window control switch C819-3, circuit CPW14 (VT/WH), harness side and LH front window control switch C504B-2, circuit CPW14 (VT/WH), harness side.
      • for the LH rear window control switch, measure the resistance between LH rear window control switch C701-3, circuit CPW14 (VT/WH), harness side and LH front window control switch C504B-2, circuit CPW14 (VT/WH), harness side.
    • Is the resistance less than 5 ohms? 
    1. YES  : INSTALL a new LH front window control switch. REFER to Window Control Switch . TEST the system for normal operation.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  3. G3 CHECK THE GROUNDS TO THE INOPERATIVE REAR WINDOW CONTROL SWITCH 
    • Key in OFF position.
      • Fig 3: Checking Grounds To Inoperative Rear Window Control Switch
      GF0028371Courtesy of FORD MOTOR CO.
    • Measure the resistance between the inoperative window control switch and ground:
      • for the RH front window control switch, measure the resistance between RH front window control switch C604-1, circuit CPW12 (GN/OG), harness side and ground; and between RH front window control switch C604-6, circuit CPW13 (GY/RD), harness side and ground.
      • for the RH rear window control switch, measure the resistance between RH rear window control switch C819-1, circuit CPW17 (BN/GN), harness side and ground; and between RH rear window control switch C819-6, circuit CPW18 (GY/VT), harness side and ground.
      • for the LH rear window control switch, measure the resistance between LH rear window control switch C701-1, circuit CPW15 (YE), harness side and ground; and between LH rear window control switch C701-6, circuit CPW16 (BU/OG), harness side and ground.
    • Are the resistances less than 5 ohms? 
    1. YES  : Go to  G5.
    2. NO  : Go to  G4.
  4. G4 CHECK THE CIRCUITS TO THE INOPERATIVE REAR WINDOW CONTROL SWITCH FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: LH Front Window Control Switch C504A and C504B
      • Fig 4: Checking Circuits To Inoperative Rear Window Control Switch For An Open
      GF0028380Courtesy of FORD MOTOR CO.
    • For an inoperative RH front power window, measure the resistance between LH front window control switch C504A-3, circuit CPW12 (GN/OG) and RH front window control switch C604-1, circuit CPW12 (GN/OG), harness side; and between LH front window control switch C504A-8, circuit CPW13 (GY/RD) and RH front window control switch C604-6, circuit CPW13 (GY/RD), harness side.
      • Fig 5: Checking Circuits To Inoperative Rear Window Control Switch For An Open (2 Of 3)
      GF0028381Courtesy of FORD MOTOR CO.
    • For an inoperative LH rear power window, measure the resistance between LH front window control switch C504B-1, circuit CPW15 (YE) and LH rear window control switch C701-1, circuit CPW15 (YE), harness side; and between LH front window control switch C504B-6, circuit CPW16 (BU/OG) and LH rear window control switch C701-6, circuit CPW16 (BU/OG), harness side.
      • Fig 6: Checking Circuits To Inoperative Rear Window Control Switch For An Open (3 Of 3)
      GF0028382Courtesy of FORD MOTOR CO.
    • For an inoperative RH rear power window, measure the resistance between LH front window control switch C504B-4, circuit CPW17 (BN/GN) and RH window control switch C819-1, circuit CPW17 (BN/GN), harness side; and between LH front window control switch C504B-8, circuit CPW18 (GY/VT) and RH rear window control switch C819-6, circuit CPW18 (GY/VT), harness side.
    • Are the resistances less than 5 ohms? 
    1. YES  : INSTALL a new LH front window control switch. REFER to Window Control Switch . TEST the system for normal operation.
    2. NO  : REPAIR the circuit(s) for an open. TEST the system for normal operation.
  5. G5 CHECK THE INOPERATIVE WINDOW CONTROL SWITCH 
    • Key in ON position.
    • For an inoperative RH front window, connect a fused jumper wire between RH front window control switch C604-2, circuit CPW19 (VT), harness side and RH front window control switch C604-3, circuit CPW14 (VT/WH), harness side; and between RH front window control switch C604-5, circuit CPW20 (YE/BK), harness side and RH front window control switch C604-6, circuit CPW13 (GY/RD), harness side. The RH front window should operate in the downward direction.
    • For an inoperative LH rear window, connect a fused jumper wire between LH rear window control switch C701-2, circuit CPW22 (GN/VT), harness side and LH rear window control switch C701-3, circuit CPW14 (VT/WH), harness side; and between LH rear window control switch C701-5, circuit CPW21 (BN), harness side and LH rear window control switch C701-6, circuit CPW16 (BU/OG), harness side. The LH rear window should operate in the downward direction.
      • Fig 7: Checking Inoperative Window Control Switch (1 Of 2)
      GF0028375Courtesy of FORD MOTOR CO.
    • For an inoperative RH rear window, connect a fused jumper wire between RH rear window control switch C819-2, circuit CPW23 (GY), harness side and RH rear window control switch C819-3, circuit CPW14 (VT/WH), harness side; and between RH rear window control switch C819-5, circuit CPW24 (WH/VT), harness side and RH rear window control switch C819-6, circuit CPW18 (GY/VT), harness side. The RH rear window should operate in the downward direction.
    • For an inoperative RH front window, connect a fused jumper wire between RH front window control switch C604-2, circuit CPW19 (VT), harness side and RH front window control switch C604-1, circuit CPW12 (GN/OG), harness side; and between RH front window control switch C604-5, circuit CPW20 (YE/BK), harness side and RH front window control switch C604-3, circuit CPW14 (VT/WH), harness side. The RH front window should operate in the upward direction.
    • For an inoperative LH rear window, connect a fused jumper wire between LH rear window control switch C701-2, circuit CPW22 (GN/VT), harness side and LH rear window control switch C701-1, circuit CPW15 (YE), harness side; and between LH rear window control switch C701-5, circuit CPW21 (BN), harness side and LH rear window control switch C701-3, circuit CPW14 (VT/WH), harness side. The LH rear window should operate in the upward direction.
      • Fig 8: Checking Inoperative Window Control Switch (2 Of 2)
      GF0028376Courtesy of FORD MOTOR CO.
    • For an inoperative RH rear window, connect a fused jumper wire between RH rear window control switch C819-2, circuit CPW22 (GN/VT), harness side and RH rear window control switch C819-1, circuit CPW17 (BN/GN), harness side; and between RH rear window control switch C819-5, circuit CPW24 (WH/VT), harness side and RH rear window control switch C819-3, circuit CPW14 (VT/WH), harness side. The RH rear window should operate in the upward direction.
    • Did the inoperative window operate correctly? 
    1. YES  : INSTALL a new LH or RH rear window control switch. REFER to Window Control Switch . TEST the system for normal operation.
    2. NO  : Go to  G6.
  6. G6 CHECK THE POWER WINDOW MOTOR CIRCUITS 
    • Key in OFF position.
    • Disconnect: Inoperative Window Motor C608 (RH front), C726 (LH rear) or C828 (RH rear)
    • For an inoperative RH front window, measure the resistance between RH front window control switch C604-2, circuit CPW19 (VT), harness side and RH front window motor C608-2, circuit CPW19 (VT), harness side.
    • For an inoperative LH rear window, measure the resistance between LH rear window control switch C701-2, circuit CPW22 (GN/VT), harness side and LH rear window motor C726-2, circuit CPW22 (GN/VT), harness side.
      • Fig 9: Checking Power Window Motor Circuits (1 Of 2)
      GF0028377Courtesy of FORD MOTOR CO.
    • For an inoperative RH rear window, measure the resistance between RH rear window control switch C819-2, circuit CPW23 (GY), harness side and RH rear window motor C828-2, circuit CPW23 (GY), harness side.
    • For an inoperative RH front window, measure the resistance between RH front window control switch C604-5, circuit CPW20 (YE/BK), harness side and RH front window motor C608-1, circuit CPW20 (YE/BK), harness side.
    • For an inoperative LH rear window, measure the resistance between LH rear window control switch C701-5, circuit CPW21 (BN), harness side and LH rear window motor C726-1, circuit CPW21 (BN), harness side.
      • Fig 10: Checking Power Window Motor Circuits (2 Of 2)
      GF0028378Courtesy of FORD MOTOR CO.
    • For an inoperative RH rear window, measure the resistance between RH rear window control switch C819-5, circuit CPW24 (WH/VT), harness side and RH rear window motor C726-1, circuit CPW24 (WH/VT), harness side.
    • Are the resistances less than 5 ohms? 
    1. YES  : INSTALL a new RH front, LH or RH rear window motor. REFER to Window Regulator Motor . TEST the system for normal operation.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
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