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 [AUDIO AMPLIFIER] .)
- 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.
  
  Fig 1: Checking Electrical Component Wiring Harness
  Courtesy of MAZDA MOTORS CORP.
- Inspect the female terminals on the connector of the electric component which is suspected to be the cause of the malfunction for poor connection.
Fig 2: Checking Electric Component Connector Female Terminals
Courtesy of MAZDA MOTORS CORP.