FOREWORD [Bluetooth SYSTEM (HANDS-FREE TELEPHONE (HF/TEL) SYSTEM)]
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• If there is any vehicle malfunction complaint lodged by a customer, perform malfunction diagnosis according to the troubleshooting procedure.
Troubleshooting Procedure
Action for non-repeatable malfunction
• If the malfunction does not recur, verify the malfunction cause by performing the following actions:
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― 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 occurrence of any malfunction or DTCs.
― Inspect the female terminals on the connector of the electric component which is suspected to be the cause of the poor connection malfunction.