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Home >> Infiniti >> 2009 >> M45 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 121 (Lighting System) >> Auto Light System >> How to Perform Trouble Diagnosis
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How to Perform Trouble Diagnosis

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
  1. Confirm the symptom or customer complaint.
  2. Understand operation description and function description. Refer to "SYSTEM DESCRIPTION ".
  3. Perform the Preliminary Check. Refer to "PRELIMINARY CHECK ".
  4. Check symptom and repair or replace the cause of malfunction. Refer to "SYMPTOM CHART ".
  5. Does the auto light system operate normally? If YES, GO TO 6. If NO, GO TO  4.
  6. INSPECTION END.