DESCRIPTION Each unit of the navigation system connected to the AVC-LAN (communication bus) transmits signals via AVC-LAN communication. If a short to +B or short to ground occurs in an AVC-LAN communication line, the navigation system will not function normally because communication is not possible. WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE:
HINT: The radio and display receiver assembly is the master unit. PROCEDURE
(a) Remove the radio and display receiver assembly.
(a) Disconnect the G3 radio and display receiver assembly connector. (b) Disconnect the G8 stereo component amplifier assembly connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Disconnect and reconnect each slave unit one by one until the master unit returns to normal. HINT:
OK: Master unit returns to normal.
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Toyota Avalon Service & Repair Manual > Smart Key System(for Start Function, Gasoline Model): Engine Starter Communication Malfunction (B2779)
DESCRIPTION If the remote engine start ECU does not respond to the certification ECU (smart key ECU assembly) or the remote engine start ID is not registered, this DTC is stored. HINT: Registration status of the remote engine start ECU ID can be checked using the "Wireless C Code" item in the Data L ...