Audio / visual
AVC-LAN Circuit
In this manual: Audio / visual
5steps
~30min
2/5difficulty
Done 0 of 5
DESCRIPTION
Each unit of the audio system connected to the AVC-LAN (communication bus) transfers the signal of each switch by communication.
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
1 INSPECT RADIO RECEIVER

- Disconnect the radio receiver connectors.
- Measure the resistance according to the value(s) in the table below.
Standard resistance

*1: 10 Speaker System
2 CHECK HARNESS AND CONNECTOR
HINT: For details of the connectors, refer to the "TERMINALS OF ECU"
- Referring to the AVC-LAN wiring diagram below, check all AVC-LAN circuits.
- Disconnect all connectors in all AVC-LAN circuits.
- Check for an open or short in all AVC-LAN circuits.
OK: There is no open or short circuit

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Test yourself
A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.
Was this page helpful?