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 (XX50) 2019-2022 Service & Repair Manual > Seat Heater System(for Gasoline Model): System Description
SYSTEM DESCRIPTION FRONT SEAT HEATER (a) By operating the seat heater switch (radio and display receiver assembly), the temperature can be controlled within the range of 36 to 44°C (96.8 to 111.2°F). HINT: The operating temperature range is that detected by the thermistor, not at the seat surface. ...