Ford 2003 Mustang Workshop Manual page 3855

the normal scan tool PID list. It can be
located in the Function Test —
"Transmitter Tic/DATA". When this test is
activated, the appropriate results may be
obtained when pressing the keyfob
buttons.
Remove the ignition key from the ignition.
Connect the diagnostic tool.
Monitor the GEM FUNCTION TEST
TIC/DATA while pressing the lock and
unlock buttons on the remote transmitter.
Does LAST DATA RECEIVED match
the button presses of the remote
transmitter?
C4 CHECK THE BATTERIES IN THE
REMOTE TRANSMITTER
Install new batteries in the remote
transmitter.
Connect the diagnostic tool.
Monitor the GEM FUNCTION TEST
TIC/DATA while pressing the lock and
unlock buttons on the remote transmitter.
Does LAST DATA RECEIVED match
the button presses of the remote
transmitter?
C5 REPROGRAM THE REMOTE
TRANSMITTERS TO THE GEM
NOTE: When carrying out the following
procedure it must be noted that all
previous programmed remote transmitters
will be erased. The customer needs to be
informed that any remote transmitters not
present during the programming mode will
not operate the vehicle. All remote
transmitters must be programmed at the
same time.
Reprogram the remote transmitter to the
GEM. For additional information, refer to
Programming—Keyless Entry Remote
Transmitter .
Connect the diagnostic tool.
Monitor the GEM FUNCTION TEST
TIC/DATA while pressing the lock and
unlock buttons on the remote transmitter.
Does LAST DATA RECEIVED match
the button presses of the remote
transmitter?
PINPOINT TEST D: THE LUGGAGE COMPARTMENT DOOR IS
INOPERATIVE USING THE REMOTE TRANSMITTER
D1 CHECK IGNITION STATES
Connect the diagnostic tool.
Monitor the GEM PIDS IGN_KEY, IGN_A, IGN_S, and
IGN_R while cycling the ignition switch through the OFF,
ACC, RUN, START and key out positions.
Test Step
INSTALL a new GEM. For additional
information, REFER to
REPEAT the self-test. CLEAR the DTCs.
No
GO to C4 .
Yes
SYSTEM is OK. REPEAT the self-test.
CLEAR the DTCs.
No
GO to C5 .
Yes
SYSTEM is OK. REPEAT the self-test.
CLEAR the DTCs.
No
PROGRAM a new remote transmitter to the
vehicle. For additional information, REFER to
Programming—Keyless Entry Remote
Transmitter . REPEAT the self-test. CLEAR
the DTCs. If the problem still remains,
INSTALL a new GEM and program the remote
transmitters to the vehicle. For additional
information, REFER to
REPEAT the self-test. CLEAR the DTCs.
Result / Action to Take
Yes
GO to D2
No
Section 419-10 .
Section 419-10 .
.