Ford 2003 Mustang Workshop Manual page 3718

Symptom Chart
Refer to the Wiring Diagrams for the connector numbers stated in pinpoint tests.
Symptom Chart
Condition
No communication with the
generic electronic module
(GEM)
All power windows are
inoperative — convertible
All power windows are
inoperative — coupe
A single power window is
inoperative — driver,
convertible
A single power window is
inoperative — driver, coupe
The one-touch down feature
is inoperative
A single power window is
inoperative — passenger
A single power window is
Possible Sources
Central junction box
(CJB) fuse 39 (5A).
GEM.
Circuitry.
Circuitry.
CJB circuit breaker
43 (20A).
Window regulator
control switch.
Circuitry.
CJB circuit breaker
43 (20A).
Window regulator
control switch.
Circuitry.
CJB fuse 43 (20A).
Ignition switch.
Window regulator
motor.
Window regulator
control switch.
GEM.
Circuitry.
CJB fuse 43 (20A).
Ignition switch.
Window regulator
motor.
Window regulator
control switch.
GEM.
Circuitry.
CJB fuse 43 (20A).
Ignition switch.
Window regulator
motor.
Window regulator
control switch.
GEM.
Circuitry.
Driver window
regulator control
switch.
Window regulator
motor.
Passenger window
regulator control
switch.
Circuitry.
Action
GO to Pinpoint
Test A .
GO to Pinpoint
Test B .
GO to Pinpoint
Test C .
GO to Pinpoint
Test D .
GO to Pinpoint
Test E .
For convertible,
GO to Pinpoint
Test D .
For coupe, GO to
Pinpoint Test E .
GO to Pinpoint
Test F .
GO to Pinpoint