Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Terminals Of Ecu

TERMINALS OF ECU

TERMINALS OF ECU

Component without harness connected

(Rack and Pinion Power Steering Gear Assembly)

HINT:

The rack and pinion power steering gear assembly uses waterproof connectors. Therefore, voltage or waveforms cannot be checked with the connectors connected to the vehicle.
Use the Data List and Active Test on the Techstream to check the operation of the rack and pinion power steering gear assembly and check that communication is established.
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CHECK WIRE HARNESS SIDE CONNECTOR

Front view of wire harness connector

(to Rack and Pinion Power Steering Gear Assembly)

(a) Disconnect the C67 rack and pinion power steering gear assembly.

(b) Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
C67-4 (IG) - Body ground	W - Body ground	IG power source	Engine switch on (IG)	8 to 16 V
C67-7 (PGND) - Body ground	B - Body ground	power ground	Always	Below 1 Ω
C67-8 (PIG) - Body ground	W - Body ground	power source	Always	9 to 16 V

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 ...

Toyota Avalon (XX50) 2019-2022 Owners Manual