Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Navigation System(for Gasoline Model): Reverse Signal Circuit
DESCRIPTION The radio and display receiver assembly receives a reverse signal from the BKUP LP relay. WIRING DIAGRAM PROCEDURE 1. CHECK BACK-UP LIGHT (a) Move the shift lever to R and check if the back-up lights come on. OK: The back-up lights come on. NG GO TO LIGHTING SYSTEM OK 2. CHECK HARNESS AN ...
