Navigation cannot control XM radio
- Go into the diagnostic menu and use the "Navi System Link" test (see NAVI SYSTEM LINK
).
Is the "XM" icon red?
YES -Check the connector at the XM receiver.
NO -Go to step 2.
- Substitute a known-good navigation unit (see NAVIGATION UNIT REMOVAL/INSTALLATION
), and recheck.
Can the navigation control the XM radio?
YES -Replace the original navigation unit (see NAVIGATION UNIT REMOVAL/INSTALLATION ).
NO -Do the audio system troubleshooting.