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Home >> Lincoln >> 2002 >> Navigator 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> Diagnosis And Testing >> Diagnostics >> Before Pinpoint Tests

Before Pinpoint Tests

NOTE: Prior to entering pinpoint tests, check the powertrain control module (PCM) wiring harness for correct connections, bent or broken pins, corrosion, loose wires, correct routing, proper seals and their condition. Check the PCM, sensors and actuators for damage. Refer to SYSTEM & COMPONENT TESTING - EEC-V - GASOLINE .
NOTE: If a concern still exists after electrical diagnosis has been carried out, refer to DIAGNOSIS BY SYMPTOM  in this article.

If DTCs appear while carrying out the on-board diagnostics, refer to the DIAGNOSTIC TROUBLE CODE CHART  for the appropriate procedure. Prior to entering pinpoint tests, refer to any TSBs for transmission concerns.

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