On-Board Diagnostics

FOREWORD [FS5A-EL]

- When the customer reports a vehicle malfunction, inspect the malfunction indicator lamp (MIL), AT warning light indication, and TCM memory for diagnostic trouble code (DTC), then diagnose the malfunction according to the following flowchart.

- If a DTC exists, diagnose the applicable DTC. DTC Table [FS5A-EL]
- If no DTC exists, the MIL does not illuminate, and AT warning light does not illuminate. Diagnose the applicable symptom troubleshooting. Symptom Troubleshooting Item Table





*: Malfunction indicator lamp (MIL), AT warning light