2003 FORD MUSTANG Workshop Manual

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Page 3569 of 4378

FORD MUSTANG 2003 Workshop Manual PINPOINT TEST J: THE ANTI-
THEFT SYSTEM DOES NOT OPERATE
CORRECTLY — PCM ID DOES NOT MATCH BETWEEN
INSTRUMENT CLUSTER AND PCM PINPOINT TEST K: THE ANTI - THEFT SYSTEM DOES NOT OPERATE If other D

PINPOINT TEST J: THE ANTI-
THEFT SYSTEM DOES NOT OPERATE
CORRECTLY — PCM ID DOES NOT MATCH BETWEEN
INSTRUMENT CLUSTER AND PCM PINPOINT TEST K: THE ANTI - THEFT SYSTEM DOES NOT OPERATE If other DTCs are retrieved,
REFER to Instrument Cluster
Diagnostic Trouble Code (DTC)
Index.
Test Step Result / Action to Take
J1 USE THE DTCS FROM THE
INSTRUMENT CLUSTER SELF
TESTS z
Use the recorded results
from the Instrument
Cluster Continuous and
On- Demand Self- Tests.
z Is DTC B2139 recorded? Yes
GO to
J2 .
No
System is OK. J2 CLEAR PCM ID FROM
INSTRUMENT CLUSTER AND
PCM z
Carry out the security
access procedure for the
instrument cluster. For
additional information,
refer to Security Access —
Procedure .
z NOTE: DO NOT carry out
ignition key code erase.
z Select FSF card
PARAMETER RESET
command for instrument
cluster.
z Use diagnostic card for
PCM Active Command
Keep Alive Memory
Reset.
z Key in OFF position.
z Select FSF card
PARAMETER RESET
command for PCM.
z Key in ON position.
z Turn the ignition switch to
RUN for three seconds.
z Enter the following
diagnostic mode on the
diagnostic tool: Clear
Continuous DTCs.
z Key in OFF position.
z Enter the following
diagnostic mode on the
diagnostic tool: Retrieve
Continuous DTCs.
z Is DTC B2139 retrieved? Yes
VERIFY PCM calibration is correct for the vehicle. If correct,
REPEAT Step J2. If fault code persists, INSTALL a new
instrument cluster; for additional information, REFER to
Section 413
- 01 . CYCLE the ignition to RUN using two
encoded ignition keys. REPEAT Pinpoint Test J . CLEAR the
DTCs. TEST the system for normal operation. If DTC B2139
still exists, INSTALL a new PCM; for additional information,
REFER to Section 303 - 14 . REPEAT the self-
test. CLEAR the
DTCs.
No
System is OK. CHECK for any other DTCs. REFER to the
instrument cluster Diagnostic Trouble Code Index. Klj . 16 ba
182003 Mustang Workshop Manual
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Page 3570 of 4378

FORD MUSTANG 2003 Workshop Manual CORRECTLY —
NVM CONFIGURATION FAILURE (NO PCM ID
EXCHANGED BETWEEN INSTRUMENT CLUSTER AND PCM) Test Step Result / Action to Take
K1 USE THE DTCS FROM
THE INSTRUMENT CLUSTER
SELF TESTS �z
Use

Page 3571 of 4378

FORD MUSTANG 2003 Workshop Manual Klj . 18 ba
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Page 3572 of 4378

FORD MUSTANG 2003 Workshop Manual GENERAL PROCEDURES
Key Programming —
Erase All Key Codes and Program Two
Keys
NOTE: This procedure is used when a customer needs keys programmed into the system and does
not have two programmed

GENERAL PROCEDURES
Key Programming —
Erase All Key Codes and Program Two
Keys
NOTE: This procedure is used when a customer needs keys programmed into the system and does
not have two programmed ignition keys available. This procedure is also useful when programmed
ignition key(s) have been lost or the ignition switch assembly has been replaced, and it is desired to
erase key(s) from the passive anti- theft system (PATS) memory.
NOTE: This procedure will erase all programmed ignition keys from the vehicle memory and the
vehicle will not start until two keys have been reprogrammed to the vehicle.
NOTE: Two PATS encoded keys with the correct mechanical cut must be available to perform this
procedure. One or both of them may be the customer's original keys.
NOTE: If additional keys are to be programmed, refer to Key Programming — Program a Key Using
Two Programmed Keys. If the remaining keys are with the customer and are not available with the
vehicle, then instruct the customer to refer to the Owners Guide under the "Programming Spare
[SecuriLock ® (North America), Safeguard ® ( U.K.) or PATS for all other markets] Keys Procedure" for
instructions on programming the remaining keys.
1. Turn the ignition switch from OFF to RUN.
2. Enter diagnostic tool. Follow the SECURITY ACCESS PROCEDURE to obtain security access.
3. From diagnostic tool menu, select IGNITION KEY CODE ERASE.
4. NOTE: Do NOT select any additional commands from this menu.
Turn the ignition switch to OFF and disconnect diagnostic tool.
5. Insert the first encoded key into the ignition lock cylinder and turn the switch to RUN for three seconds.
6. Insert the second encoded key into the ignition lock cylinder and turn the switch to RUN for three seconds.
7. The vehicle should now start with both ignition keys.
SECTION 419-
01: Anti-Theft — PATS 2003 Mustang Workshop Manual Special Tool(s)
Worldwide Diagnostic System
(WDS)
418-
F224,
New Generation STAR (NGS)
Tester
418- F052 or equivalent
diagnostic tool Klj . 1 ba
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Page 3573 of 4378

FORD MUSTANG 2003 Workshop Manual Klj . 2 ba
22003 Mustang Workshop Manual
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Page 3574 of 4378

FORD MUSTANG 2003 Workshop Manual GENERAL PROCEDURES
Key Programming —
Program a Key Using Two
Programmed Keys
NOTE: This procedure only works if two or more programmed ignition keys are available and it is
desired to program a

GENERAL PROCEDURES
Key Programming —
Program a Key Using Two
Programmed Keys
NOTE: This procedure only works if two or more programmed ignition keys are available and it is
desired to program additional key(s). If two keys are not available, follow the procedure in Key Programming — Erase All Key Codes and Program Two Keys .
NOTE: PID SPARE_KY must be enabled for this procedure to operate. If this Parameter Identification
(PID) Index is not enabled, follow the security access procedure and select Spare Key Programming
Switch: Enabled.
NOTE: If the programming procedure is successful, the new key(s) will start the vehicle and the
THEFT INDICATOR will illuminate for approximately three seconds.
NOTE: If the programming procedure is not successful, the new key(s) will not start the vehicle and the
THEFT INDICATOR will flash. If the programming procedure was not successful, repeat the key
programming procedure from Step 1. If the failure repeats, check Circuit 729 (RD/WH) (hot at all times)
in instrument cluster for proper battery voltage. Repair the circuit if voltage is not present. For
additional information, refer to Diagnosis and Testing to review diagnostic trouble codes (DTCs) and
perform pinpoint tests as required.
NOTE: A maximum of eight ignition keys can be programmed to a passive anti- theft system (PATS)
equipped vehicle. Use PID NUMKEYS to determine how many keys are programmed to the vehicle.
NOTE: If the steps are not performed as outlined, the programming procedure will end.
NOTE: Ignition keys must have correct mechanical key cut for the vehicle and must be a PATS
encoded key.
1. Insert the first programmed ignition key into the ignition lock cylinder and turn the ignition switch from OFF to RUN (maintain the ignition switch in RUN for one second).
2. Turn the ignition switch to OFF and remove the first key from the ignition lock cylinder.
3. Within five seconds of turning the ignition switch to OFF, insert the second programmed ignition key into the ignition lock cylinder and turn the ignition switch from OFF to RUN (maintain the
ignition switch in RUN for one second).
4. Turn the ignition switch to OFF and remove the second key from the ignition lock cylinder.
5. Within 10 seconds of turning the ignition lock cylinder to OFF, insert the unprogrammed ignition key (new key) into the ignition lock cylinder and turn the ignition switch from OFF to RUN
SECTION 419-
01: Anti-Theft — PATS 2003 Mustang Workshop Manual Special Tool(s)
Worldwide Diagnostic System
(WDS)
418-
F224,
New Generation STAR (NGS)
Tester
418- F052, or equivalent
diagnostic tool Klj . 1 ba
22003 Mustang Workshop Manual
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Page 3575 of 4378

FORD MUSTANG 2003 Workshop Manual (maintain the ignition switch in RUN for 1 second).
6. If it is desired to program additional key(s), repeat the key programming procedure from the beginning. Klj . 2 ba
22003 Mustang Works

Page 3576 of 4378

FORD MUSTANG 2003 Workshop Manual GENERAL PROCEDURES
Key Programming —
Enable/Disable Spare Key
Programming
NOTE: The spare key programming switch is a diagnostic tool programmable switch that provides the
capability to enable/

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