Toyota RAV4 manuals

Toyota Sienna Service Manual: AVC-LAN Circuit

DESCRIPTION

Each unit of the navigation 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 navigation system will not function normally as the communication is discontinued.

INSPECTION PROCEDURE

1 INSPECT RADIO AND NAVIGATION ASSEMBLY

INSPECT RADIO AND NAVIGATION ASSEMBLY

  1. Disconnect the radio and navigation assembly connectors.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

2 CHECK HARNESS AND CONNECTOR

HINT: For details of the connectors, refer to "TERMINALS OF ECU".

  1.  Referring to the AVC-LAN wiring diagram below, check all AVC-LAN circuits.
  1.  Check for an open or short in all AVC-LAN circuits.

CHECK HARNESS AND CONNECTOR

OK: There is no open or short circuit.

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

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