How To Proceed With Troubleshooting
FOREWORD- When the customer reports a vehicle malfunction, check the Malfunction Indicator Light (MIL) indication, O/D OFF indicator light flashing, and PCM memory for Diagnostic Trouble Code (DTC), then diagnose the malfunction according to following flowchart.
- If the DTC exists, diagnose the applicable DTC.
- If the DTC does not exist and the MIL does not illuminate and no O/D OFF indicator light flashes, diagnose the applicable symptom troubleshooting.