Before Pinpoint Tests

WARNING: This page is about a different car, the 2002 Mercury Villager. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Prior to entering pinpoint tests, check the Powertrain control module (PCM) wiring harness for proper connections, bent or broken pins, corrosion, loose wires, proper routing, proper seals and their condition. Check the PCM, sensors and actuators for damage. Refer to SELF-DIAGNOSTICS .

NOTE: If a concern still exists after electrical diagnosis has been completed, refer to DIAGNOSIS BY SYMPTOM .

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