P710 (HYBRID TRANSMISSION / TRANSAXLE): OIL COOLER: REMOVAL; 2021 MY RAV4 HV [08/2020

Last Modified: 01-30-2024	6.11:8.1.0	Doc ID: RM100000001QRET
Model Year Start: 2021	Model: RAV4 HV	Prod Date Range: [08/2020 - 12/2021]
Title: P710 (HYBRID TRANSMISSION / TRANSAXLE): OIL COOLER: REMOVAL; 2021 MY RAV4 HV [08/2020 - 12/2021]

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 motor cooling cooler 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
*: When performing learning using the Techstream. Click here
Auxiliary battery terminal is disconnected/reconnected	Perform steering sensor zero point calibration	Lane control system
		Parking support brake system (for HV model)*
		Pre-collision system
		Lighting system (EXT)(w/ AFS)
	Memorize steering angle neutral point	Parking assist monitor system
	Memorize steering angle neutral point	Panoramic view monitor system (for HV model)
	Reset back door close position	Power back door system (for HV model)
	Back door lock initialization	Power door lock control system
ECM	Perform Vehicle Identification Number (VIN) registration	DTC P063051 is output
ECM	Grill shutter switch specification infomation	Vehicle control history (RoB) [X260E] is stored
Inverter with converter assembly	Resolver learning	DTCs are stored Slight vibration at a vehicle speed of 5 km/h (3 mph) or less Shock or vibration during acceleration	for AWD with NICKEL METAL HYDRIDE BATTERY: for LITHIUM-ION BATTERY:

CAUTION:

Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair manual.
for AWD with Nickel Metal Hydride Battery:

Click here

for Lithium-ion Battery:

Click here
To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.

NOTICE:

After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal.

Waiting Time before Disconnecting Cable from Negative (-) Auxiliary Battery Terminal

System Name	See Procedure
Vehicle enrolled in Toyota Audio Multimedia system or safety connect system	6 minutes
Vehicle not enrolled in Toyota Audio Multimedia system and safety connect system	1 minute

If the ECM has been struck or dropped, replace it.
Perform Vehicle Identification Number (VIN) registration when replacing the ECM.
Click here

PROCEDURE

1. REMOVE INVERTER WITH CONVERTER ASSEMBLY

Click here

2. REMOVE FRONT FENDER FRONT SPLASH SHIELD LH

Click here

3. REMOVE FRONT FENDER FRONT SPLASH SHIELD RH

Click here

4. REMOVE NO. 1 ENGINE UNDER COVER

Click here

5. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY

Click here

6. REMOVE FRONT FENDER APRON SEAL LH

Click here

7. REMOVE NO. 1 INVERTER COOLING HOSE

(a) Slide the clip and remove the No. 1 inverter cooling hose from the motor cooling cooler.

8. DISCONNECT NO. 5 INVERTER COOLING HOSE

Click here

9. REMOVE MOTOR COOLING COOLER

(a) Remove the oil cooler union bolt and gasket to disconnect the No. 2 motor cooling pipe from the hybrid vehicle transaxle assembly.

*1	Oil Cooler Union Bolt
*2	No. 1 Oil Cooler Tube Clamp

(b) Remove the bolt and No. 1 oil cooler tube clamp to disconnect No. 2 motor cooling pipe from the hose bracket.

HINT:

Use a container to catch any coolant and hybrid transaxle fluid which flow out of the motor cooling cooler.

(d) Slide the clip and disconnect the No. 1 motor cooling hose from the transaxle housing tube connector.

NOTICE:

Make sure not to remove the No. 1 motor cooling hose from the motor cooling cooler as the motor cooling cooler may be deformed.

10. REMOVE NO. 2 MOTOR COOLING PIPE

(a) Slide the clip and remove the No. 2 motor cooling pipe from the No. 2 motor cooling hose.

NOTICE:

Make sure not to remove the No. 2 motor cooling hose from the motor cooling cooler as the motor cooling cooler may be deformed.