Navigation Cannot Control Audio System

Navigation cannot control audio system

Diagnostic Test: Navi System Link

NOTE:
- Always check for and resolve all CAN DTCs before troubleshooting the navigation system.
- Always check the connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have the navigation system anti-theft codes.
- After troubleshooting, enter the navigation system anti-theft codes.
- Verify that the correct navigation unit is installed for this model.
Go into the Diagnostic mode and use "Version".
- Always make sure that the correct DVD color and version are installed.
- Check on-line for service bulletins or other service information for the navigation system.

1. Make sure the anti-theft code for the audio system is entered.
2. Go into the Diagnostic mode, and use the "Navi System Link" diagnostic.

Is the "Radio" icon red?

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

NO - Go to step 3.

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

Can the navi control audio/disc?

YES - Replace the navigation unit.

NO - Do the audio system troubleshooting.