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" (see 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.
- Make sure the anti-theft code for the audio system is entered.
- Go into the Diagnostic mode, and use the "Navi System Link" diagnostic (see NAVI SYSTEM LINK
).
Is the "Radio" icon red?
YES - Do the troubleshooting for the voice guidance cannot be heard (see VOICE GUIDANCE CANNOT BE HEARD, IS BROKEN UP, OR THERE IS STATIC ).
NO - Go to step 3.
- Substitute a known-good navigation unit (see NAVIGATION UNIT REMOVAL/INSTALLATION
), and recheck.
Can the navi control audio/disc?
YES - Replace the navigation unit (see NAVIGATION UNIT REMOVAL/INSTALLATION ).
NO - Do the audio system troubleshooting.