Component Tests and General Diagnostics

CAR-NAVIGATION CONTROL SWITCH INSPECTION

1. Operate the ear-navigation control switch and verify that the car-navigation system operates normally
- If the system does not operate normally, go to the next step.




2. Inspect the wiring harness between the LCD unit and the car-navigation control switch for an open circuit, power short, or a short to ground.
- If there is any malfunction in the wiring harnesses, repair or replace the applicable wiring harness.
- If the wiring harnesses are normal, replace the car-navigation control switch.