Navigation System Symptom Troubleshooting - Navigation cannot control audio/disc
Navigation cannot control audio/disc
Diagnostic Test: Navi System Link
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 2
.
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.■