AVC-LAN Circuit

AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM (w/o Multi-display): AVC-LAN Circuit
- AVC-LAN Circuit

DESCRIPTION

Each unit of the audio system connected to the AVC-LAN (communication bus) communicates by transferring the signals from each switch.

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

INSPECTION PROCEDURE

PROCEDURE

1. INSPECT RADIO RECEIVER ASSEMBLY

(a) Disconnect the L51 and L52 receiver connectors.





(b) Measure the resistance according to the value(s) in the table below.

Standard resistance:





NG -- REPLACE RADIO RECEIVER ASSEMBLY Removal
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR





HINT
For details of the connectors, refer to "TERMINALS OF ECU" Audio and Visual System (w/o Multi-Display).

(a) Referring to the AVC-LAN wiring diagram below, check all AVC-LAN circuits.

(1) Disconnect all connectors in all AVC-LAN circuits.

(2) Check for an open or short in all AVC-LAN circuits.

OK:

There is no open or short circuit.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table