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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 1031 (Windows And Glass) >> Diagnostic Tests >> Glass, Frames and Mechanisms >> Pinpoint Tests >> Pinpoint Test E: A Single Power Window Is Inoperative - RH Rear Window >> Pinpoint Test E: A Single Power Window Is Inoperative - RH Rear Window

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

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
  1. E1 CHECK THE RH REAR WINDOW OPERATION FROM THE LH FRONT WINDOW CONTROL SWITCH 
    • Key in ON position.
    • 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? 
    1. YES  : Go to  E2.
    2. NO  : Go to  E3.
  2. E2 CHECK CIRCUIT 170 (RD/LB) FOR VOLTAGE 
    • Key in OFF position.
    • Disconnect: RH Rear Window Control Switch C801
    • Key in ON position.
      • Fig 1: Checking Circuit For Voltage
      GF0023756Courtesy of FORD MOTOR CO.
    • Measure the voltage between RH rear window control switch C801-3, circuit 170 (RD/LB), harness side and ground.
    • Is the voltage greater than 10 volts? 
    1. YES  : INSTALL a new RH rear 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. E3 CHECK CIRCUITS 884 (YE/BK) AND 885 (YE/LB) FOR VOLTAGE AND GROUND 
    • Key in OFF position.
    • Disconnect: RH Rear Window Motor C803
    • Key in ON position.
      • Fig 2: Checking Circuit For Voltage & Ground
      GF0023754Courtesy of FORD MOTOR CO.
    • Measure the voltage between RH rear window motor C803-a, circuit 884 (YE/BK), harness side and RH rear window motor C803-b, circuit 885 (YE/LB), harness side while operating the right rear window control switch in the down then up positions.
    • Is the voltage greater than 10 volts in both switch directions? 
    1. YES  : INSTALL a new window regulator and motor. REFER to Window Regulator - Rear Door . TEST the system for normal operation.
    2. NO  : Go to  E4.
  4. E4 CHECK THE RH REAR WINDOW CONTROL SWITCH 
    • Key in OFF position.
    • 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.
    • Did the RH rear window control switch pass the component test? 
    1. YES  : Go to  E5.
    2. NO  : INSTALL a new RH rear window control switch. REFER to Window Control Switch . TEST the system for normal operation.
  5. E5 CHECK CIRCUITS 884 (YE/BK) AND 885 (YE/LB) FOR AN OPEN 
      Fig 3: Checking Circuits For Open
      GF0023757Courtesy of FORD MOTOR CO.
    • Measure the resistance between RH rear window control switch C801-5, circuit 885 (YE/LB), harness side and RH rear window motor C803-b, circuit 885 (YE/LB), harness side; and between RH rear window control switch C801-2, circuit 884 (YE/BK), harness side, and RH rear window motor C803-a, circuit 884 (YE/BK), harness side.
    • Are the resistances less than 5 ohms? 
    1. YES  : Go to  E6.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  6. E6 CHECK CIRCUITS 884 (YE/BK) AND 885 (YE/LB) FOR A SHORT TO GROUND 
      Fig 4: Checking Circuits For Short To Ground
      GF0023758Courtesy of FORD MOTOR CO.
    • Measure the resistance between RH rear window control switch C801-5, circuit 885 (YE/LB), harness side and ground; and between RH rear window control switch C801-2, circuit 884 (YE/BK), harness side and ground.
    • Are the resistances greater than 10,000 ohms? 
    1. YES  : Go to  E7.
    2. NO  : REPAIR the circuit(s) in question. TEST the system for normal operation.
  7. E7 CHECK CIRCUITS 316 (YE/LB) AND 317 (GY/OG) FOR AN OPEN 
      Fig 5: Checking Circuits For Open
      GF0023762Courtesy of FORD MOTOR CO.
    • Measure the resistance between LH front window control switch C508-6, circuit 316 (YE/LB), harness side and RH rear window control switch C801-1, circuit 316 (YE/LB) harness side; and between LH front window control switch C508-7, circuit 317 (GY/OG), harness side and RH rear window control switch C801-6, circuit 317 (GY/OG), harness side.
    • Are the resistances less than 5 ohms? 
    1. YES  : Go to  E8.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  8. E8 CHECK CIRCUITS 316 (YE/LB) AND 317 (GY/OG) FOR A SHORT TO GROUND 
      Fig 6: Checking Circuits For Short To Ground
      GF0023760Courtesy of FORD MOTOR CO.
    • Measure the resistance between RH rear window control switch C801-1, circuit 316 (YE/LB), harness side and ground; and between RH rear window control switch C801-6, circuit 317 (GY/OG), harness side and ground.
    • Are the resistances greater than 10,000 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.
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