Toyota Prius: Rear Traction Motor

Toyota Prius (XW60) 2023-2025 Service Manual / Drivetrain / Q810 (hybrid Transmission / Transaxle) / Rear Traction Motor

Removal
Installation

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 rear traction motor with transaxle assembly 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: Also necessary after performing a tire rotation. 2: It is not necessary to perform this procedure if the tire pressure warning valve and transmitters are installed to the same location.
Gas leak from exhaust system is repaired	Inspection after repair	Poor idle, etc. Engine start function, etc.
Replacement of rear traction motor with transaxle assembly	Resolver learning Initialize resolver	DTCs are stored Slight vibration at a Toyota Prius vehicle speed of 5 km/h (3 mph) or less Shock or vibration during acceleration
Suspension parts	Rear television camera assembly optical axis (Back camera position setting)	Parking Assist Monitor System
	Parking assist ECU initialization	Panoramic View Monitor System
	Parking assist ECU initialization	Advanced Park
Tires	Initialization12 Tire Position Identification12	Tire Pressure Warning System	Refer to Procedures Necessary When Replacing Parts (for Tire Pressure Warning System) table below
	Rear television camera assembly optical axis (Back camera position setting)	Parking Assist Monitor System
	Parking assist ECU initialization	Panoramic View Monitor System
	Parking assist ECU initialization	Advanced Park
Rear wheel alignment adjustment	Perform "Calibration"	DTCs are stored ABS warning light illuminates Brake system warning light (yellow indicator) illuminates Slip indicator light illuminates Electronically controlled brake system disabled or malfunctions

CAUTION:

Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair manual.
Click here
To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.
To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

HINT:

When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

Learning completes when Toyota Prius vehicle is driven

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
Front Camera System	Drive the Toyota Prius vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more.

Learning completes when vehicle is operated normally

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
1: w/o Power Back Door System 2: w/ Power Back Door System
Power Door Lock Control System*1 Back door opener	Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.
Power Back Door System*2	Reset back door close position
Air Conditioning System	After the ignition switch is turned to ON, the servo motor standard position is recognized.	-

CAUTION / NOTICE / HINT

COMPONENTS (REMOVAL)

Procedure		Part Name Code
1	PERFORM RESOLVER INITIALIZATION	-	-	-
2	SERVICE PLUG GRIP	G3834	-	-	-

Procedure		Part Name Code
3	REMOVE FRONT WIPER ARM HEAD CAP	85292B		-	-
4	REMOVE SHIELD CAP	85247		-	-
5	REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH	-	-	-	-
6	REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH	-	-	-	-
7	REMOVE WINDSHIELD LOWER OUTSIDE MOULDING LH	75536D		-	-
8	REMOVE WINDSHIELD LOWER OUTSIDE MOULDING RH	75535F		-	-
9	REMOVE COWL WATER EXTRACT SHIELD LH	55754F	-	-	-
10	REMOVE COWL WATER EXTRACT SHIELD RH	55753D	-	-	-
11	REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY	55708	-	-	-
12	CHECK TERMINAL VOLTAGE	-		-	-
13	INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY	55708		-	-
14	INSTALL COWL WATER EXTRACT SHIELD RH	55753D	-	-	-
15	INSTALL COWL WATER EXTRACT SHIELD LH	55754F	-	-	-
16	INSTALL WINDSHIELD LOWER OUTSIDE MOULDING RH	75535F	-	-	-
17	INSTALL WINDSHIELD LOWER OUTSIDE MOULDING LH	75536D	-	-	-
18	INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY RH	-		-	-
19	INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY LH	-		-	-
20	INSTALL SHIELD CAP	85247	-	-	-
21	INSTALL FRONT WIPER ARM HEAD CAP	85292B	-	-	-

*1	Connector Cover Assembly	-	-
	Tightening torque for "Major areas involving basic Toyota Prius vehicle performance such as moving/turning/stopping": Nm (kgfcm, ft.*lbf)		Nm (kgfcm, ft.*lbf): Specified torque

Procedure		Part Name Code
22	DECK BOARD ASSEMBLY	58410B	-	-	-
23	DECK FLOOR BOX RH	64995	-	-	-
24	DECK FLOOR BOX LH	64997	-	-	-

for Type A

for Type B

w/o Spare Tire

w/ Spare Tire

HINT:

As the illustration shown is an example, the actual details may differ.

Procedure		Part Name Code
25	DISCONNECT REAR TRACTION MOTOR CABLE	G1149		-	-
26	REAR SUSPENSION MEMBER SUB-ASSEMBLY	51206A	-	-	-
27	NO. 6 FLOOR WIRE	82169A	-	-	-

Procedure		Part Name Code
28	DISCONNECT REAR TRACTION MOTOR CABLE	G1149	-	-	-
29	REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY	G1050		-	-
30	FRONT DIFFERENTIAL SUPPORT ASSEMBLY	52380F	-	-	-

*1	UPPER DIFFERENTIAL MOUNT STOPPER	*2	LOWER DIFFERENTIAL MOUNT STOPPER
*3	DIFFERENTIAL MASS DAMPER	-	-
●	Non-reusable part	-	-

Procedure		Part Name Code
31	REMOVE REAR TRACTION MOTOR CABLE	G1149		-	-

*1	CONNECTOR COVER	*2	CONNECTOR COVER BRACKET
*3	MOTOR CABLE TERMINAL CAP	-	-
●	Non-reusable part	-	-

Procedure		Part Name Code
32	MOTOR CABLE BRACKET	-	-	-	-
33	WIRE HARNESS CLAMP BRACKET	-	-	-	-

Procedure		Part Name Code
34	DIFFERENTIAL DYNAMIC DAMPER	41196B	-	-	-

*A	for Type A	*B	for Type B
*C	for Type C	-	-

PROCEDURE

1. PERFORM RESOLVER INITIALIZATION

NOTICE:

If it is necessary to replace the rear traction motor with transaxle assembly, make sure to perform resolver initialization before starting work.

Click here

2. REMOVE SERVICE PLUG GRIP

Click here

3. REMOVE FRONT WIPER ARM HEAD CAP

Click here

4. REMOVE SHIELD CAP

Click here

5. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH

Click here

6. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH

Click here

7. REMOVE WINDSHIELD LOWER OUTSIDE MOULDING LH

Click here

8. REMOVE WINDSHIELD LOWER OUTSIDE MOULDING RH

(a) Use the same procedure as for the LH side.

9. REMOVE COWL WATER EXTRACT SHIELD LH

Click here

10. REMOVE COWL WATER EXTRACT SHIELD RH

Click here

11. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY

Click here

12. CHECK TERMINAL VOLTAGE

Click here

13. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY

Click here

14. INSTALL COWL WATER EXTRACT SHIELD RH

15. INSTALL COWL WATER EXTRACT SHIELD LH

16. INSTALL WINDSHIELD LOWER OUTSIDE MOULDING RH

17. INSTALL WINDSHIELD LOWER OUTSIDE MOULDING LH

18. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY RH

Click here

19. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY LH

Click here

20. INSTALL SHIELD CAP

21. INSTALL FRONT WIPER ARM HEAD CAP

22. REMOVE DECK BOARD ASSEMBLY

Click here

23. REMOVE DECK FLOOR BOX RH

Click here

24. REMOVE DECK FLOOR BOX LH

Click here

25. DISCONNECT REAR TRACTION MOTOR CABLE

(1) Disconnect the rear traction motor cable connector.

HINT:

Release the lock before rotating the lock lever.

(1) Separate the grommet of the rear traction motor cable from the Toyota Prius vehicle body and push out the rear traction motor cable from the cabin.

26. REMOVE REAR SUSPENSION MEMBER SUB-ASSEMBLY

Click here

27. REMOVE NO. 6 FLOOR WIRE

28. DISCONNECT REAR TRACTION MOTOR CABLE

29. REMOVE REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY

(a) Using a mini crane and 2 belt slings, hold the rear traction motor with transaxle assembly.

CAUTION:

Do not lift the rear traction motor with transaxle assembly more than necessary.
When lifting the rear traction motor with transaxle assembly, make sure it is well balanced.

NOTICE:

Lightly shake the rear traction motor with transaxle assembly by hand to make sure it is securely held while performing work.
Do not shake the rear traction motor with transaxle assembly excessively while holding it.

*1	Upper Differential Mount Stopper	*2	Front Differential Support Assembly
*3	Lower Differential Mount Stopper	*4	Rear Suspension Member Sub-assembly
*5	Differential Mass Damper	-	-

(1) Remove the 4 bolts, 2 upper differential mount stoppers, 2 lower differential mount stoppers, differential mass damper and rear traction motor with transaxle assembly from the rear suspension member sub-assembly.

NOTICE:

Be careful not to drop the rear traction motor with transaxle assembly.
Be careful not to damage the installation surfaces of the rear traction motor with transaxle assembly when removing it.

30. REMOVE FRONT DIFFERENTIAL SUPPORT ASSEMBLY

31. REMOVE REAR TRACTION MOTOR CABLE

Click here

32. REMOVE MOTOR CABLE BRACKET

33. REMOVE WIRE HARNESS CLAMP BRACKET

34. REMOVE DIFFERENTIAL DYNAMIC DAMPER

HINT:

Perform this procedure only when replacement of the differential dynamic damper is necessary.
The illustration shown is an example only. The illustration may differ from the actual parts according to the model.

*A

for Type A

*B

for Type B

*C

for Type C

-

-

for Type A:

for Type B:

for Type C:

Installation

INSTALLATION

CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)

Procedure		Part Name Code
1	DIFFERENTIAL DYNAMIC DAMPER	41196B	-	-	-

*A	for Type A	*B	for Type B
*C	for Type C	-	-
	Nm (kgfcm, ft.*lbf): Specified torque	-	-

Procedure		Part Name Code
2	WIRE HARNESS CLAMP BRACKET	-	-	-	-
3	MOTOR CABLE BRACKET	-	-	-	-

N*m (kgf*cm, ft.*lbf): Specified torque

Procedure		Part Name Code
4	INSTALL REAR TRACTION MOTOR CABLE	G1149		-	-

*1	CONNECTOR COVER	*2	CONNECTOR COVER BRACKET
*3	MOTOR CABLE TERMINAL CAP	-	-
	Tightening torque for "Major areas involving basic Toyota Prius vehicle performance such as moving/turning/stopping": Nm (kgfcm, ft.*lbf)		Nm (kgfcm, ft.*lbf): Specified torque
●	Non-reusable part	-	-

Procedure		Part Name Code
5	FRONT DIFFERENTIAL SUPPORT ASSEMBLY	52380F		-	-
6	REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY	G1050		-	-
7	CONNECT REAR TRACTION MOTOR CABLE	G1149	-	-	-

*1	UPPER DIFFERENTIAL MOUNT STOPPER	*2	LOWER DIFFERENTIAL MOUNT STOPPER
*3	DIFFERENTIAL MASS DAMPER	-	-
	Nm (kgfcm, ft.*lbf): Specified torque	●	Non-reusable part

Procedure		Part Name Code
8	NO. 6 FLOOR WIRE	82169A	-	-	-
9	REAR SUSPENSION MEMBER SUB-ASSEMBLY	51206A	-	-	-
10	CONNECT REAR TRACTION MOTOR CABLE	G1149		-	-

Procedure		Part Name Code
11	DECK FLOOR BOX LH	64997	-	-	-
12	DECK FLOOR BOX RH	64995	-	-	-
13	DECK BOARD ASSEMBLY	58410B	-	-	-

for Type A

for Type B

w/o Spare Tire

w/ Spare Tire

HINT:

As the illustration shown is an example, the actual details may differ.

Procedure		Part Name Code
14	SERVICE PLUG GRIP	G3834	-	-	-
15	PERFORM RESOLVER LEARNING	-	-	-

PROCEDURE

1. INSTALL DIFFERENTIAL DYNAMIC DAMPER

HINT:

Perform this procedure only when replacement of the differential dynamic damper is necessary.
The illustration shown is an example only. The illustration may differ from the actual parts according to the model.

*A

for Type A

*B

for Type B

*C

for Type C

-

-

Torque:

12 N·m {122 kgf·cm, 9 ft·lbf}

2. INSTALL WIRE HARNESS CLAMP BRACKET

Torque:

8.0 N·m {82 kgf·cm, 71 in·lbf}

3. INSTALL MOTOR CABLE BRACKET

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

4. INSTALL REAR TRACTION MOTOR CABLE

Click here

5. TEMPORARILY INSTALL FRONT DIFFERENTIAL SUPPORT ASSEMBLY

(1) Temporarily install the front differential support assembly to the rear traction motor with transaxle assembly with 2 new bolts.

6. INSTALL REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY

(a) Using a mini crane and 2 belt slings, hold the rear traction motor with transaxle assembly.

CAUTION:

Do not lift the rear traction motor with transaxle assembly more than necessary.
When lifting the rear traction motor with transaxle assembly, make sure it is well balanced.

NOTICE:

Lightly shake the rear traction motor with transaxle assembly by hand to make sure it is securely held while performing work.
Do not shake the rear traction motor with transaxle assembly excessively while holding it.

*1	Upper Differential Mount Stopper	*2	Front Differential Support Assembly
*3	Lower Differential Mount Stopper	*4	Rear Suspension Member Sub-assembly
*5	Differential Mass Damper	-	-

(1) Temporarily install the 2 upper differential mount stoppers, 2 lower differential mount stoppers, differential mass damper and rear traction motor with transaxle assembly to the rear suspension member sub-assembly with 4 new bolts.

(2) Fully tighten the 2 bolts (A).

Torque:

95.1 N·m {970 kgf·cm, 70 ft·lbf}

(3) Fully tighten the 2 bolts (B).

Torque:

55 N·m {561 kgf·cm, 41 ft·lbf}

(4) Fully tighten the 2 bolts (C).

Torque:

86 N·m {877 kgf·cm, 63 ft·lbf}

7. CONNECT REAR TRACTION MOTOR CABLE

8. INSTALL NO. 6 FLOOR WIRE

9. INSTALL REAR SUSPENSION MEMBER SUB-ASSEMBLY