Pinpoint Test B: All 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.

B1 CHECK VOLTAGE FEED TO LH FRONT WINDOW CONTROL SWITCH
- Disconnect: LH Front Window Control Switch C537A.
- Ignition ON.
- Measure the voltage between LH front window control switch C537A-2, circuit CBP47 (GN/BU), harness side and ground.
  
  Fig 1: Measuring Voltage Between LH Front Window Control Switch C537A-2, Circuit CBP47 (GN/BU), Harness Side & Ground
  Courtesy of FORD MOTOR CO.
- Is the voltage greater than 10 volts?
- Yes: INSTALL a new LH front window control switch. REFER to Removal and Installation . TEST the system for normal operation.
- No: VERIFY SJB circuit breaker 47 (30A) is OK. If OK, Go To PINPOINT TEST O to diagnose the accessory delay relay circuit.
  If not OK, REFER to the appropriate SYSTEM WIRING DIAGRAMS article to identify the possible causes of the circuit short. TEST the system for normal operation.