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	Power switch signal	-	Power switch off → Power switch on (IG)	Below 1 V → 11 to 14 V
H1-2 (B) - Body ground	P - Body ground	Auxiliary battery	-	Power switch off	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 > Electronically Controlled Brake System(for Hv Model): Open Circuit in ABS Solenoid Relay Circuit (C146E,C146F)
DESCRIPTION The ABS solenoid relay built into the skid control ECU (brake booster with master cylinder assembly) supplies power to the holding solenoid and reduction solenoid. The ABS solenoid relay is operated 1.5 seconds after the power switch is turned on (IG), and is turned off if an open or sho ...

Toyota Avalon (XX50) 2019-2022 Owners Manual