FOREWORD [DSC HU/CM]

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

Troubleshooting Procedure

*1

(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW.)

Action for non-repeatable malfunction

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

• Using the M-MDS, verify that no DTCs are stored. (See DTC INSPECTION [DSC HU/CM].)

• 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 for poor connection.