Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Navigation System(for Gasoline Model): Voice Guidance does not Function
WIRING DIAGRAM PROCEDURE 1. CHECK VOICE GUIDANCE SETTING (a) Check that the voice guidance setting is not off. OK: Voice guidance setting is not off. NG CHANGE VOICE GUIDANCE SETTING TO ON OK 2. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NAVIGATION ECU) (a) Disconnect the G1 ...
