Ford 2003 Mustang Workshop Manual page 3560

diagnostic mode on the
diagnostic tool: Clear
Continuous DTCs.
Enter the following
diagnostic mode on the
diagnostic tool: PCM
Self-Test.
Does diagnostic tool
communicate with the
PCM?
C3 RETRIEVE THE PCM
DTCS
Retrieve and document
continuous DTCs.
Is DTC P1260
recorded?
C4 CHECK THE
COMMUNICATION
NETWORK
Repeat Inspection and
Verification steps 3
through 7; refer to
Inspection and
Verification.
Key in OFF position.
Retrieve and document
continuous DTCs.
Enter the following
diagnostic mode on the
diagnostic tool: Clear
Continuous DTCs.
Enter the following
diagnostic mode on the
diagnostic tool:
Instrument Cluster On-
Demand Self-Test.
Is DTC U1147
retrieved?
PINPOINT TEST D: THE ANTI-THEFT SYSTEM DOES NOT OPERATE
CORRECTLY — ANTI-THEFT NUMBER OF PROGRAMMED KEYS IS
BELOW MINIMUM
Test Step
D1 USE THE DTCS FROM THE
INSTRUMENT CLUSTER SELF-TESTS
Use the recorded results from the
Instrument Cluster Continuous and
On-Demand Self-Tests.
Is DTC B1213 the only DTC
retrieved?
D2 CHECK FOR PROGRAMMED
Yes
GO to C4 .
No
VERIFY PCM power and ground. REFER to Powertrain
Control/Emissions Diagnosis (PC/ED) manual Section 3.
Yes
INSTALL a new instrument cluster; for additional information,
REFER to Section 413-01
two encoded ignition keys.
module. REPEAT the self-test. CLEAR the DTCs. If DTC U1147
is still present, INSTALL a new PCM; for additional information,
REFER to Section 303-14
operation. (You must follow
No
System is OK.
Yes
GO to D2 .
No
REPAIR the other DTCs retrieved. REPEAT the
Instrument Cluster On-Demand Self-Test. CLEAR
the DTCs.
. CYCLE the ignition to RUN using
Go To Pinpoint Test J
. TEST the system for normal
Pinpoint Test J to initialize module.)
Result / Action to Take
to initialize the