Navigation Cannot Control Audio System

Navigation Cannot Control Audio System

NOTE:
- Check the vehicle battery condition first.
- Check the connectors for poor connections or loose terminals.

1. Turn the ignition switch to ON (II).
2. Make sure the anti-theft code for the navigation system is entered.
3. Go into the Diagnostic Menu, and use the Navi System Link test.

Is the Radio icon red?

YES - Do the troubleshooting for voice guidance cannot be heard.

NO - Go to step 4.

4. Substitute a known-good navigation unit, and recheck.

Can the navigation control audio?

YES - Replace the navigation unit.

NO - Do the audio system troubleshooting.