Off - Ford 2003 Mustang Workshop Manual

Do the PID values agree with the ignition switch
positions?
D2 CHECK THE GEM PID LAST DATA RECEIVED FOR
LUGGAGE COMPARTMENT
Remove the ignition key from the ignition.
Connect the diagnostic tool.
Monitor the GEM PID LAST DATA RECEIVED while
pressing and releasing the luggage compartment, panic,
lock, and unlock buttons of the remote transmitter.
Does LAST DATA RECEIVED match the button
presses of the remote transmitter?
D3 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 luggage compartment button on the remote
transmitter.
Does LAST DATA RECEIVED match the button
presses of the remote transmitter?
D4 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
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?
D5 CHECK THE GEM OUTPUT TO THE LUGGAGE
COMPARTMENT
Trigger the GEM active command RELEASE to ON and

OFF.

Did the luggage compartment release?
D6 CHECK CIRCUIT 931 (OG) FOR OPEN
Disconnect: Luggage Compartment Lid Release Relay.
Measure the voltage between luggage compartment lid
release relay Pin 2, Circuit 931 (OG), harness side and
ground; and between luggage compartment lid release
Programming—Keyless
.
REFER to Section 413-09
key-in-ignition warning chime
concerns.
Yes
GO to D5 .
No
GO to D3 .
Yes
SYSTEM is OK. REPEAT the
self-test. CLEAR the DTCs.
No
GO to D4 .
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 Section 419-10 . REPEAT
the self-test. CLEAR the
DTCs.
Yes
INSTALL a new GEM. For
additional information, REFER
to Section 419-10 . REPEAT
the self-test. CLEAR the
DTCs.
No
GO to D6 .
Yes
GO to D7 .
No
for
.