Symptom Troubleshooting (Engine Control System) AJ: 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 following flowchart.
- If a DTC exists, diagnose the applicable DTC inspection. (See 01-02A-21 DTC TABLE.)
- If no DTC exists and the MIL does not illuminate or flash, diagnose the applicable symptom troubleshooting. (See
SYMPTOM DIAGNOSTIC INDEX .)
Courtesy of MAZDA MOTORS CORP.