No Image on the Display Screen

No Image On The Display Screen







Fault symptom
No image on the display screen in any mode.

The system can be switched off and restarted once while driving using the ON/OFF button. It will then work max. 45min. and then no longer operate.

Preconditions
Ignition ON.

Conditions
Switch Nav/Tele must be connected. There must be a power supply and grounding. Check both connectors for faulty pins and oxidation.

Diagnostic help
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.