CAR-NAVIGATION SYSTEM DOES NOT OPERATION [CAR-NAVIGATION SYSTEM]


id0903e8100100

Possible DTC

Even if the map screen is touched, the car-navigation system cannot be operated

POSSIBLE CAUSE
•  Audio unit malfunction (bad LCD panel)
•  Car-navigation unit malfunction


Diagnostic Procedure

Step

Inspection

Action

1
DETERMINE IF MALFUNCTION CAUSE IS AUDIO UNIT LCD PANEL
•  Switch the ignition ON and launch the audio unit diagnostic assist function.
•  Select diagnostic assist code 01 display inspection.
•  Is the display normal?
Yes
Go to the next step.
No
Replace the audio unit.
2
DETERMINE IF MALFUNCTION CAUSE IS CAR-NAVIGATION UNIT
•  Select diagnostic assist code 16 external device connection information clearing.
•  Switch the ignition off (LOCK).
•  Switch the ignition ON (engine off or on).
•  Launch the audio unit diagnostic assist function.
•  Select diagnostic assist code 15 vehicle NAVI signal verification.
•  Is NAVI (USB) NG displayed?
Yes
Replace the car-navigation unit.
No
Replace the audio unit.