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

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Vehicle Exterior / Sliding Roof / Convertible / Sliding Roof System(for Gasoline Model) / Terminals Of Ecu

TERMINALS OF ECU

CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)

(a) Disconnect the O3 sliding roof ECU (sliding roof drive gear assembly) connector.

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

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
O3-1 (B) - O3-2 (E)	B - W-B	Battery power supply	Always	11 to 14 V
O3-6 (IG) - O3-2 (E)	LA-GR - W-B	IG power supply	Engine switch off	Below 1 V
O3-6 (IG) - O3-2 (E)	LA-GR - W-B	IG power supply	Engine switch on (IG)	11 to 14 V
O3-2 (E) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
O3-10 (OPN) - O3-2 (E)	W - W-B	Sliding roof motor open	Engine switch on (IG), OPEN switch on	Below 1 V
O3-10 (OPN) - O3-2 (E)	W - W-B	Sliding roof motor open	Engine switch on (IG), OPEN switch off	11 to 14 V
O3-8 (CLS) - O3-2 (E)	SB - W-B	Sliding roof motor close	Engine switch on (IG), CLOSE switch on	Below 1 V
O3-8 (CLS) - O3-2 (E)	SB - W-B	Sliding roof motor close	Engine switch on (IG), CLOSE switch off	11 to 14 V
O3-5 (UP) - O3-2 (E)	R - W-B	Sliding roof motor up	Engine switch on (IG), UP switch on	Below 1 V
O3-5 (UP) - O3-2 (E)	R - W-B	Sliding roof motor up	Engine switch on (IG), UP switch off	11 to 14 V
O3-9 (DWN) - O3-2 (E)	LG - W-B	Sliding roof motor down	Engine switch on (IG), DOWN switch on	Below 1 V
O3-9 (DWN) - O3-2 (E)	LG - W-B	Sliding roof motor down	Engine switch on (IG), DOWN switch off	11 to 14 V

CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Click here

System Diagram

Sliding Roof System(for Hv Model)

See More:

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Door Control Receiver: Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during electrical key and tire pressure warning ECU and receiver removal/installation are shown below. Necessa ...

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

System Diagram

Sliding Roof System(for Hv Model)

See More:

Toyota Avalon (XX50) 2019-2022 Owners Manual

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual