A25A-FKS (COOLING): FLOW SHUTTING VALVE (for ATF): REMOVAL; 2021 - 2022 MY Avalon [08/2020

Last Modified: 08-21-2023	6.11:8.1.0	Doc ID: RM100000001QJNC
Model Year Start: 2021	Model: Avalon	Prod Date Range: [08/2020 - ]
Title: A25A-FKS (COOLING): FLOW SHUTTING VALVE (for ATF): REMOVAL; 2021 - 2022 MY Avalon [08/2020 - ]

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 flow shutting valve (No. 1 water by-pass hose) removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
1: When performing learning using the Techstream. Click here 2: Not necessary when ECM replaced with new one.
Battery terminal is disconnected/reconnected	Perform steering sensor zero point calibration	Lane Departure Alert System (w/ Steering Control)
		Pre-collision System
		Intelligent Clearance Sonar System*1
		Lighting System (for Gasoline Model with Cornering Light)
	Memorize steering angle neutral point	Parking Assist Monitor System
	Memorize steering angle neutral point	Panoramic View Monitor System
Replacement of ECM	Vehicle Identification Number (VIN) registration	MIL comes on
	ECU communication ID registration (Immobiliser system)	Engine start function
	Code registration (Smart Key System (for Start Function, Gasoline Model))	Wireless Door Lock Control System Smart Key System (for Entry Function, Gasoline Model) Smart Key System (for Start Function, Gasoline Model) Steering lock function
Replacement of ECM (If transaxle compensation code read from ECM)	Perform reset memory*2 Transfer transaxle compensation code Perform road test to allow ECM to learn	Large shift shock Deterioration of fuel efficiency	for UB80F Initialization for UB80F Registration
Replacement of ECM (If transaxle compensation code not read from ECM)	Perform reset memory*2 Reset transaxle compensation code Perform road test to allow ECM to learn	Large shift shock Deterioration of fuel efficiency	for UB80F Initialization for UB80F Registration

PROCEDURE

1. REMOVE BATTERY

Click here

2. REMOVE ECM

Click here

3. REMOVE BATTERY CLAMP SUB-ASSEMBLY

Click here

4. REMOVE FRONT WHEEL LH

5. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH

Click here

6. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH

Click here

7. REMOVE NO. 1 ENGINE UNDER COVER

Click here

8. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY

Click here

9. REMOVE FRONT FENDER APRON SEAL LH

Click here

10. DRAIN ENGINE COOLANT

Click here

11. REMOVE FLOW SHUTTING VALVE (NO. 1 WATER BY-PASS HOSE)

(a) Disengage the 3 clamps to remove the transmission breather clamp.

(b) Disengage the 3 clamps to remove the hose clamp.

(c) Disengage the 2 clamps to disconnect the flow shutting valve (No. 1 water by-pass hose) and transmission breather hose from the hose clamp.

(d) Slide the clip and disconnect the flow shutting valve (No. 1 water by-pass hose) from the water outlet.

HINT:

Use a container to catch any engine coolant which flows out of the flow shutting valve (No. 1 water by-pass hose) and water outlet.

(e) Slide the clip and disconnect the flow shutting valve (No. 1 water by-pass hose) from the transmission oil cooler.

HINT:

Use a container to catch any engine coolant which flows out of the flow shutting valve (No. 1 water by-pass hose) and transmission oil cooler.

(f) Disconnect the flow shutting valve (No. 1 water by-pass hose) connector.

(g) Remove the bolt and flow shutting valve (No. 1 water by-pass hose).