Flow of Diagnosis

FOREWORD
- When the customer reports a vehicle malfunction, check the malfunction indicator lamp (MIL) indication and diagnostic trouble code (DTC), then diagnose the malfunction according to given flowchart.
- If the DTC exists, diagnose the applicable DTC inspection. See DTC TABLE. Diagnostic Trouble Code Descriptions
- If the DTC does not exist and the MIL does not illuminate or flash, diagnose the applicable symptom troubleshooting. (See QUICK DIAGNOSTIC CHART).