Flow of Diagnosis

FOREWORD
- When the customer reports a vehicle malfunction, check the malfunction indicator light (MIL) indication and diagnostic trouble code (DTC), then diagnose the malfunction according to given flowchart.
- If a DTC exists, and the MIL does not illuminate or flash, diagnose the applicable symptom troubleshooting. (See SYMPTOM DIAGNOSTIC INDEX.) Symptom Index
- If no DTC exists and the MIL does not illuminate or flash, diagnose the applicable symptom troubleshooting. (See SYMPTOM DIAGNOSTIC INDEX.) Symptom Index