Toyota Sienna Service Manual: AVC-LAN Circuit
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
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DESCRIPTION
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The MUTE signal is sent to reduce noise and a popping sound generated when ...
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DESCRIPTION
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Speed signals are received from the combination meter and used for the ASL.
The ASL fun ...
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Short to GND in CAN Bus Line
DESCRIPTION
A short to GND is suspected in the CAN bus wire when the resistance between
terminals 4 (CG) and 6
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Symptoms
Trouble Area
The resistance between terminals 6 (CANH) and 4 (CG), or ter ...
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The curtain shield squib RH circuit consists of the center airbag sensor
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airbag assembly RH.
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DTC B1163/82 is ...
Rear window wiper and
washer
Operating the wiper lever
Turning the end of the lever turns on the rear window wiper and
washer.
The illustration is intended as an example.
*1 or
*2
Intermittent window
wiper operation
*1 or
*2
Normal window wiper
operation
Washer/wiper dual operation
Washer/wiper du ...
