TERMINALS OF ECM  HINT: The standard normal voltage and resistance between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of terminals are also indicated. The result of checks should be compared with the standard normal voltage and resistance for that pair of terminals, displayed in the Specified Condition column. The illustration above can be used as a reference to identify the ECM terminal locations.
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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 ...
