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

WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 Ford Fusion. 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.

C1 CHECK PASSENGER WINDOW OPERATION FROM THE LH FRONT WINDOW CONTROL SWITCH
- Ignition ON.
- Attempt to operate the passenger windows from the LH front window control switch.
- Do the passenger windows operate from the LH front window control switch?
- Yes: GO to C3.
- No: GO to C2.
C2 CHECK CIRCUIT GD126 (BK/WH) FOR AN OPEN
- Ignition OFF.
- Disconnect: LH Front Window Control Switch C537B.
- Measure the resistance between LH front window control switch C537B-7, circuit GD126 (BK/WH), harness side and ground.
  
  Fig 1: Measuring Resistance Between LH Front Window Control Switch C537B-7, Circuit GD126 (BK/WH), Harness Side & Ground
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
- Yes: INSTALL a new LH front window control switch. REFER to Removal and Installation . TEST the system for normal operation.
- No: REPAIR the circuit. TEST the system for normal operation.
C3 CHECK THE LH FRONT WINDOW CONTROL SWITCH
- Carry out the LH front window control switch component test.
  Refer to COMPONENT TESTING - EXCEPT HYBRID and COMPONENT TESTING - HYBRID .
- Did the LH front window control switch pass the component test?
- Yes: REPAIR circuit CPW14 (VT/WH) for an open. TEST the system for normal operation.
- No: INSTALL a new LH front window control switch. REFER to Removal and Installation . TEST the system for normal operation.