Diagnosis Tips When Only Specific Function(S) Is Defective
- When an abnormality occurs only to the specific function, perform the hard switch check of service function audio check.
- When the switch function is normal, check that the wiring harness connectors related to the specific function are engaged correctly. If a failure is found, repair the connectors and check the trouble symptom again.
- When the wiring harness connectors are engaged correctly, check the wiring harness. If the wiring harness is in good condition, replace relevant components, which controls that function.