WIRING DIAGRAM PROCEDURE
(a) Check that the voice guidance setting is not off. OK: Voice guidance setting is not off.
(a) Disconnect the G1 radio and display receiver assembly connector. (b) Disconnect the G13 navigation ECU connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Can Communication System(for Hv Model): Open in One Side of Bus 4 Branch Line
DESCRIPTION When the CAN bus main lines are normal (no open, short to ground, short to +B or short between lines) and there is an ECU or sensor on the "Communication Bus Check" screen that is indicated as not communicating or whose connection status on the "Communication Bus Check" screen changes in ...