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, 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 Symptom. 4F50N (AX4N) Automatic Transaxle

If DTCs appear while carrying out the on-board diagnostics. For additional information, refer to the Diagnostic Trouble Code Charts for the appropriate repair procedure. Diagnostic Trouble Code Tests and Associated Procedures Prior to entering pinpoint tests, refer to any TSBs and OASIS messages for transaxle concerns. Check TSBS and Oasis