Ford 2003 Mustang Workshop Manual page 3561

ENCODED IGNITION KEYS —
MONITOR THE INSTRUMENT
CLUSTER PID NUMKEYS
Monitor the instrument cluster PID
NUMKEYS.
Does the instrument cluster PID
NUMKEYS display less than two
encoded ignition keys
programmed?
D3 PROGRAM ENCODED IGNITION
KEYS
NOTE: Two programmed encoded
ignition keys must be available to
start the vehicle.
Cut a new encoded ignition key.
Key in ON position.
Program the new encoded ignition
key.
Does the theft indicator
illuminate for three seconds, and
then go out?
PINPOINT TEST E: THE ANTI-THEFT SYSTEM DOES NOT OPERATE
CORRECTLY — ANTENNA NOT CONNECTED OR DEFECTIVE
TRANSCEIVER
Test Step
E1 INSPECT THE PATS
TRANSCEIVER FOR CORRECT
INSTALLATION
Key in OFF position.
Verify the PATS transceiver is
correctly installed; refer to
Module—Passive Anti-Theft
Transceiver .
Connect the diagnostic tool.
Enter the following diagnostic
mode on the diagnostic tool:
Instrument Cluster On-Demand
Self-Test.
Retrieve and document
continuous DTCs.
Enter the following diagnostic
mode on the diagnostic tool:
Clear Continuous DTCs.
Is DTC B1232 or B2103
retrieved?
PINPOINT TEST F: THE ANTI-THEFT SYSTEM DOES NOT OPERATE
CORRECTLY — PATS IGNITION KEY TRANSPONDER SIGNAL IS
NOT RECEIVED (DAMAGED KEY OR NON-PATS KEY)
Yes
GO to D3 .
No
System is OK.
Yes
CLEAR the DTCs. CARRY OUT the Instrument
Cluster On-Demand Self-Test to verify all codes
have been cleared. REPEAT the self-test. CLEAR
the DTCs.
No
If the theft indicator is on continuously, REPEAT
TEST STEP D3 with a second new encoded ignition
key. If the theft indicator is flashing, RETRIEVE
DTCs stored for the new fault and REPAIR the other
DTC(s) retrieved.
Result / Action to Take
Yes
INSTALL a new PATS transceiver module; for
additional information, REFER to
Anti-Theft Transceiver
Cluster On-Demand Self-Test. CLEAR the DTCs.
No
System is OK.
Module—Passive
. REPEAT the Instrument