Trouble Diagnosis Procedure

WARNING: This page is about a different car, the 2006 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

Check the symptom and customer's requests.
Understand outline of system. Refer to "SYSTEM DESCRIPTION ".
Confirm system operation.
- Check that the power door lock system operates normally. Refer to "POWER DOOR LOCK SYSTEM ".
- Check that the automatic back door system operates normally. Refer to "AUTOMATIC BACK DOOR SYSTEM ".
Perform pre-diagnosis inspection. Refer to "BCM POWER SUPPLY AND GROUND CIRCUIT CHECK ".
Refer to trouble diagnosis chart by symptom, repair or replace any malfunctioning parts. Refer to "TROUBLE DIAGNOSES ".
Inspection End.