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

TERMINALS OF ECU

METER MIRROR SUB-ASSEMBLY

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

Terminal No. (Symbol)	Wiring Color	Terminal Description	Signal Input/Output	Condition	Specified Condition
H1-1 (IG) - Body ground	L - Body ground	Engine switch signal	-	Engine switch off → Engine switch on (IG)	Below 1 V → 11 to 14 V
H1-2 (B) - Body ground	P - Body ground	Battery	-	Always	11 to 14 V
H1-4 (ES) - Body ground	W-B - Body ground	Ground	-	Always	Below 1 Ω
H1-12 (MPX1)	P	CAN communication line	Input/Output	-	-
H1-13 (MPX2)	R	CAN communication line	Input/Output	-	-
H1-14 (TX+)	L	Local bus communication line	Input/Output	-	-
H1-15 (TX-)	GR	Local bus communication line	Input/Output	-	-

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Can Communication System(for Gasoline Model): Utility
UTILITY INITIALIZE THE CONNECTION INFORMATION OF A GATEWAY FUNCTION EQUIPPED ECU (BUS MONITOR ECU) (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: for Body Electrical / Central Gateway / Utility / Initialization B ...

Toyota Avalon (XX50) 2019-2022 Owners Manual