2016 – MX-5 – Body and Accessories

FOREWORD [ELECTRICAL SUPPLY UNIT (ESU)]

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

Troubleshooting Procedure

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(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:

• Verify that a DTC has been recorded in the memory. (See DTC INSPECTION [ELECTRICAL SUPPLY UNIT (ESU)].)

• 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.

  

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