Pinpoint Test E: All Power Windows Are Inoperative - Front Power Windows

E1 CHECK FOR VOLTAGE TO THE WINDOW CONTROL SWITCHES
- Key in ON position.
- Do the window control switch LEDs illuminate?
  - Yes : VERIFY the customer concern.
  - No : Go to E2.
E2 CHECK FOR CONTINUITY BETWEEN THE DRIVER WINDOW CONTROL SWITCH AND GROUND
- Key in OFF position.
- Disconnect: Driver Window Control Switch C535.
- Measure the resistance between the driver window control switch C535 pin 1 circuit 31-AJ7 (BK), harness side and ground.
  
  Fig 1: Measuring Resistance Between Driver Window Control Switch C535 Pin 1 Circuit 31-AJ7 (BK), Harness Side And Ground
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
  - Yes : Go to E3.
  - No : REPAIR the circuit. TEST the system for normal operation.
E3 CHECK THE VOLTAGE AT THE DRIVER WINDOW CONTROL SWITCH
- Key in ON position.
- Measure the voltage between the driver window control switch C535 pin 10, circuit 15-AJ7 (GN/BU), harness side and ground.
  
  Fig 2: Measuring Voltage Between Driver Window Control Switch C535 Pin 10, Circuit 15-AJ7 (GN/BU), Harness Side And Ground
  Courtesy of FORD MOTOR CO.
- Is the voltage greater than 10 volts?
  - Yes : VERIFY the customer concern.
  - No : REPAIR the circuit. TEST the system for normal operation.