Pinpoint Test F: Single Power Window Is Inoperative - Driver Side
- F1 CHECK FOR VOLTAGE TO THE DRIVER WINDOW CONTROL SWITCH
- Key in ON position.
- Does the driver window control switch LED illuminate?
- Yes
: Go to F2.
- No
: Go to F4.
- F2 CHECK FOR CONTINUITY BETWEEN THE DRIVER WINDOW REGULATOR MOTOR AND GROUND
- Key in OFF position.
- Disconnect: Driver Window Regulator Motor C518.
- Measure the resistance between the driver window regulator motor C518 pin 1, circuit 33-AJ26 (YE), harness side and ground.
Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
- Yes
: Go to F3.
- No
: REPAIR the circuit. TEST the system for normal operation.
- F3 CHECK FOR SWITCH VOLTAGE TO THE DRIVER WINDOW REGULATOR MOTOR
- Key in ON position.
- Operate the driver window control switch to the DOWN position.
- Measure the voltage between the driver window regulator motor C518 pin 2, circuit 32-AJ26 (WH), harness side and ground.
Courtesy of FORD MOTOR CO.
- Is the voltage greater than 10 volts?
- Yes
: Install a new driver window regulator motor. REFER to DOOR WINDOW REGULATOR MOTOR . TEST the system for normal operation.
- No
: REPAIR the circuit. TEST the system for normal operation.
- F4 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.
Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
- Yes
: Go to F5.
- No
: REPAIR the circuit. TEST the system for normal operation.
- F5 CHECK FOR VOLTAGE TO THE DRIVER CONTROL SWITCH
- Measure the voltage between the 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.