No image on the display screen in navigation mode

Read the instructions below then start the fault diagnostic procedure.

Symptom: No image on the display screen.

No image on the display screen in navigation mode

Fault symptom

No image on the display screen.

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

Correct image in radio and CD mode.

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.