Navigation Does Not Work
Navigation Does Not Work
Fault symptom
No navigation functions work.
Preconditions
Ignition ON.
Conditions
DVD disc is inserted correctly in the navigation unit and is not damaged.
Diagnostic help
Everything else works properly.
Reset the system before starting fault diagnosis and recalibrate.
Check switches for oxidation and faulty pins. Check several points and directions of the wiring harness to detect any intermittent open or short-circuits.
See also the description of read values under "General fault diagnosis" for more information.