The display is completely black

Read the instructions below then start the fault diagnostic procedure.

Symptom: One or more menus of the display are black.

The display is completely black

Fault symptom

One or more menus of the display are black.

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.

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.