No Image on the Display Screen In Navigation Mode

No Image On The Display Screen In Navigation Mode






Fault Symptom
No image on the display screen in navigation mode.

Conditions
Ignition ON.
IHU activated.
DVD with map information loaded in the DVD player.

Diagnostic Help
Finding a mechanical or electrical fault.

Checking The Wiring Harness
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits in the wiring harness. Check switches, connectors and crimp connections for oxidation, withdrawn pins and pin clamping force.