Pinpoint Test(s)
The LH Front Power Window is Inoperative/Does Not Operate Correctly - Without Memory Driver Seat
Refer to Wiring Diagrams Cell 100 for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Glass, Frames and Mechanisms - System Operation and Component Description (501-11 Glass, Frames and Mechanisms, Description and Operation).
Possible Causes
Fuse Wiring, terminals or connectors Master window control switch Window regulator motor
Visual Inspection and Diagnostic Pre-checks
Verify BJB fuse 11 (30A) is OK.
PINPOINT TEST A : THE LH (LEFT-HAND) FRONT POWER WINDOW IS INOPERATIVE/DOES NOT OPERATE CORRECTLY - WITHOUT
MEMORY DRIVER SEAT
A1 CHECK THE POWER TO THE WINDOW MOTOR
Ignition OFF. Disconnect: Driver Door Window Regulator Motor C518. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C518-1 | Ground |
Is the voltage greater than 11 volts?
Yes | GO to A2 |
|---|---|
No | VERIFY BJB fuse 11 (30A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short. DE-INITIALIZE then INITIALIZE the window regulator motor. REFER to: Power Door Window Initialization (501-11 Glass, Frames and Mechanisms, General Procedures). |
A2 CHECK THE WINDOW MOTOR DELAYED ACCESSORY FEED
Ignition ON. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C518-3 | Ground |
Is the voltage greater than 11 volts?
Yes | GO to A3 |
|---|---|
No | REPAIR the circuit. DE-INITIALIZE then INITIALIZE the window regulator motor. REFER to: Power Door Window Initialization (501-11 Glass, Frames and Mechanisms, General Procedures). |
A3 CHECK THE WINDOW MOTOR GROUND
Ignition OFF. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C518-2 | Ground |
Is the resistance less than 3 ohms?
Original table alignment retained · Scroll horizontally if needed
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.