Navigation Cannot Control Audio System

Navigation cannot control audio system

NOTE:
- Check the vehicle battery condition first.
- Check for and resolve any audio unit concerns first.

1. Turn the ignition switch ON (II).
2. Make sure the anti-theft code for the audio 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 the voice guidance cannot be heard is broken up or there is static.

NO - Go to step 4.

4. Turn the ignition switch OFF.
5. Substitute a known-good navigation unit, and recheck.

Can the navigation unit control the audio?

YES - Replace the original navigation unit.

NO - Do the audio system troubleshooting.