LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 291 (Windows And Glass - Glass, Frames And Mechanisms) >> Diagnosis And Testing >> Glass, Frames and Mechanisms >> Pinpoint Tests >> Pinpoint Test A: All Power Windows are Inoperative - Intermittent Operation, SuperCab or SuperCrew >> Pinpoint Test A: All Power Windows Are Inoperative - Intermittent Operation

Pinpoint Test A: All Power Windows Are Inoperative - Intermittent Operation

WARNING: This page is about a different car, the 2013 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
  1. A1 CHECK FOR A SHORT TO GROUND IN THE POWER WINDOW SYSTEM 
    • Disconnect: BCM Circuit Breaker 48 (30A).
    • Install a fused jumper wire in place of BCM circuit breaker 48 (30A).
    • Ignition ON.
    • Attempt to operate each individual power window in both directions from the LH window control switch as well as the passenger door(s) window control switch(es).
    • Did the jumper wire fuse open during the test? 
    • Yes  : REFER to the OEM ELECTRICAL WIRING DIAGRAM INTRODUCTION article to identify the possible causes of the circuit short. REPAIR the circuit. TEST the system for normal operation.
    • No  : INSTALL a new circuit breaker. TEST the system for normal operation.
scientia non olet · About LEMON Manuals