Operation CHARM: Car repair manuals for everyone.

AVC-LAN Circuit (Radio Receiver Assy-Gateway ECU)

AVC-LAN CIRCUIT (RADIO RECEIVER ASSY - GATEWAY ECU)

CIRCUIT DESCRIPTION

The navigation system uses the AVC-LAN to control communication between all of its units. Each unit is connected to the AVC-LAN and communicates by sending and receiving switch signals.

When the AVC-LAN has a +B short or a GND short, communication is cut and the navigation system will not function normally.

Wiring Diagram:






Step 1:




INSPECTION PROCEDURE