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 > Wiper And Washer System(for Gasoline Model): Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Wiper and Washer System DTC No. Detection Item DTC Output from Link B1245 Lost Communication with Wiper ECU LIN Main body ECU (multiplex network body ECU) B1370 ECU Malfunction Windshield wiper motor assembly B1372 Wiper Switch Signal Mismatch between LIN and Line Winds ...