Pinpoint Test B: All Power Windows Are Inoperative - Fusion, MILAN

WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

B1 CHECK CIRCUIT CPW30 (GY/YE) FOR VOLTAGE
- Disconnect: LH Front Window Control Switch C504A.
- Key in ON position.
- Measure the voltage between LH front window control switch C504A-2, circuit CPW30 (GY/YE), harness side and ground.
  
  Fig 1: Checking Circuit CPW30 (GY/YE) For Voltage
  Courtesy of FORD MOTOR CO.
- Is the voltage greater than 10 volts?
Yes : GO to B3.

No : GO to B2.
B2 CHECK CIRCUIT CPW30 (GY/YE) FOR AN OPEN
- Key in OFF position.
- Disconnect: SJB C2280E.
- Measure the resistance between LH front window control switch C504A-2, circuit CPW30 (GY/YE), harness side and SJB C2280E-4, circuit CPW30 (GY/YE), harness side.
  
  Fig 2: Checking Circuit CPW30 (GY/YE) For Open
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
Yes : GO to PINPOINT TEST L to diagnose the delayed accessory relay circuit.

No : REPAIR the circuit. TEST the system for normal operation.
B3 CHECK CIRCUIT GD126 (BK/WH) FOR AN OPEN
- Key in OFF position.
- Disconnect: LH Front Window Control Switch C504B.
- Measure the resistance between LH front window control switch C504A-7, circuit GD126 (BK/WH), harness side and ground.
  
  Fig 3: Checking Circuit GD126 (BK/WH) For Open
  Courtesy 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 . TEST the system for normal operation.

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