Ford 2003 Mustang Workshop Manual page 3338

Is the resistance less than 5 ohms?
F11 CHECK FOR CORRECT MODULE OPERATION
Check:
for corrosion
for pushed-out pins
connector seated correctly
Connect any disconnected connectors.
Make sure all other system connectors are fully seated.
Operate the system and verify the concern is still present.
Is the concern still present?
No
REPAIR the circuit. REPEAT
the self-test. CLEAR the
DTCs.
Yes
INSTALL a new GEM.
REFER to Section 419-10
CLEAR the DTCs. REPEAT
the GEM self-test.
No
The system is operating
correctly at this time.
Concern may have been
caused by a loose or
corroded connector. CLEAR
the DTCs. REPEAT the self-
test.
.