No Screen Image In CD Changer Mode

No Screen Image In CD Changer Mode






Fault Symptom
No screen image in CD changer mode.

Conditions
Ignition ON.
IHU activated.

Diagnostic Help
Correct image in navigation and radio modes.
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 Check switches, connectors and crimp connections for oxidation, withdrawn pins and pin clamping force.