Ford 2003 Mustang Workshop Manual page 3329

Is the resistance less than 5 ohms?
C8 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?
PINPOINT TEST D: THE DOOR AJAR CHIME DOES NOT OPERATE
CORRECTLY
D1 CHECK IGNITION STATES
Connect the diagnostic tool.
Enter the following diagnostic mode on the diagnostic tool:
GEM PID.
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.
Do the PID values agree with the ignition switch states?
D2 CHECK GEM INTERNAL TONE OPERATION
Enter the following diagnostic mode on the diagnostic tool:
GEM Active Command.
Trigger the GEM active command CHIME ON and OFF.
Does the chime operate correctly?
D3 CHECK GEM INPUT — DRIVER DOOR AJAR CIRCUIT
Enter the following diagnostic mode on the diagnostic tool:
GEM PID.
Monitor the GEM PID D_DR_SW while opening and closing
the driver door.
Do the GEM PID D_DR_SW values indicate CLOSED and
AJAR correctly?
D4 CHECK GEM INPUT — PASSENGER DOOR AJAR CIRCUIT
Test Step
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.
Result / Action to Take
Yes
GO to D2 .
No
GO to Pinpoint Test B
Yes
GO to D3 .
No
GO to D17 .
Yes
GO to D4 .
No
GO to D5 .
.
.