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On-Board Diagnostics Foreword





FOREWORD [AFS (ADAPTIVE FRONT LIGHTING SYSTEM)]

- If there is any vehicle malfunction complaint lodged by a customer, perform malfunction diagnosis according to the troubleshooting procedure.

Troubleshooting Procedure





*1
Controller Area Network (CAN) Malfunction Diagnosis Flow [Multiplex Communication System]

Action for Non-repeatable Malfunction

- If the malfunction does not recur, verify the malfunction cause by performing the following actions:

- Based on the repair order form, attempt to drive the vehicle or perform tests to replicate the malfunction, record the data at that time, and detect the malfunction cause.
- Shake the wiring harness or connector of the electrical component which is suspected to be the cause of the malfunction, and inspect for malfunction or occurrence of any DTCs.





- Inspect the female terminals on the connector of the electric component which is suspected to be the cause of the malfunction for poor connection.