Diesel Data: Automotive Repair

AVC-LAN Circuit

AVC-LAN CIRCUIT

CIRCUIT DESCRIPTION
Each unit of the audio system connected to the AVC-LAN (communication bus) transfers the signal of each switch by communication.

When +B short or GND short occurs in this AVC-LAN, audio system will not function normally as communication is discontinued.

In this AVC-LAN, the radio receiver assy becomes the master of the communication, and the radio receiver assy has resistance necessary for transmitting the communication.

Wiring Diagram:






Step 1 - 2:




INSPECTION PROCEDURE