Ford 2003 Mustang Workshop Manual page 2331

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Control/Emissions Diagnosis (PC/ED) manual will aid in diagnosing non-transmission electronic

Before Pinpoint Tests

NOTE: Prior to entering pinpoint tests, check the PCM wiring harness for tight connections, bent or

broken pins, corrosion, loose wires, correct routing, correct seals and their condition. Check the PCM,

sensors and actuators for damage. Refer to the Powertrain Control/Emissions Diagnosis (PC/ED)

NOTE: If a concern still exists after electrical diagnosis has been carried out, refer to

Diagnosis By

in this section.

If DTCs appear while carrying out the on-board diagnostics, refer to the

Diagnostic Trouble Code

for the appropriate repair procedure. Prior to entering pinpoint tests, refer to any TSBs and

OASIS messages for transmission concerns.

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