Caution / Notice / Hint

WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

The engine with transaxle assembly with motor and inverter is very heavy. Be sure to follow the procedure described in the appropriate service information , or the engine lifter may suddenly drop.

When replacing parts, perform procedures according to the following table.

Part Replaced or Procedure Performed	Before replacement		After replacement
Part Replaced or Procedure Performed	Read the resolver compensation value Refer to UTILITY [09/2023 - ]	Check the resolver compensation value directly underneath the QR code Refer to UTILITY [09/2023 - ]	ECU Configuration Refer to ECU CONFIGURATION [09/2023 - ]	Write the resolver compensation value Refer to UTILITY [09/2023 - ]
Hybrid motor control inverter assembly	◦	*	◦	◦
EV motor control inverter assembly	◦	*	◦	◦
Transaxle assembly with motor	◦	◦	-	◦
Rear transaxle with motor assembly	◦	◦	-	◦
Transaxle assembly with motor and inverter	-	-	◦	-
Rear transaxle with motor and inverter assembly	-	-	◦	-

*: Perform this step if it was not possible to read the resolver compensation value before replacement.◦: Necessary-: Not necessary

COMPONENTS (INSTALLATION)

Fig 1: Hybrid Vehicle Transaxle Installation Components With Torque Specifications (1 Of 6)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
1	SHIFT CONTROL ACTUATOR BRACKET	35541	See step 1	-	-
2	INVERTER CASE GASKET	-	See step 2	-	-
3	TEMPORARILY INSTALL HYBRID MOTOR CONTROL INVERTER ASSEMBLY	G92A0	See step 3	-	-
4	NO. 1 INVERTER BUSBER PLATE	-	See step 4	-	-
5	UPPER INVERTER COVER	G9221G	See step 5	-	-
6	FULLY TIGHTEN HYBRID MOTOR CONTROL INVERTER ASSEMBLY	G92A0	See step 6	-	-
7	BREATHER HOSE	-	See step 7	-	-
8	WIRE HARNESS CLAMP BRACKET	-	-	-	-
9	RESOLVER THERMISTOR WIRE	-	See step 9	-	-

*1	WIRE HARNESS CLAMP BRACKET	*2	SHIFT CONTROL ACTUATOR ASSEMBLY
*3	SHIFT CONTROL ACTUATOR SEAL	-	-
	Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N.m (kgf/cm, ft.lbf)		N.m (kgf/cm, ft.lbf): Specified torque
•	Non-reusable part	-	-

Fig 2: Hybrid Vehicle Transaxle Installation Components With Torque Specifications (2 Of 6)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
10	TRANSAXLE ASSEMBLY WITH MOTOR AND INVERTER	30610	See step 10	-	-

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

Fig 3: Hybrid Vehicle Transaxle Installation Components With Torque Specifications (3 Of 6)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
11	NO. 2 ENGINE AND INVERTER STIFFENER	12347	See step 11	-	-
12	REAR ENGINE MOUNTING BRACKET	12321A	See step 12	-	-
13	REAR ENGINE MOUNTING INSULATOR	12371A	See step 13	-	-
14	FRONT ENGINE MOUNTING BRACKET	12311A	See step 14	-	-
15	CONNECT ENGINE WIRE	82121	-	-	-
16	FRONT ENGINE MOUNTING INSULATOR	12361	-	-	-
17	FRONT FRAME ASSEMBLY	51100G	-	-	-

Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N.m (kgf/cm, ft.lbf)

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

Fig 4: Hybrid Vehicle Transaxle Installation Components With Torque Specifications (4 Of 6)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
18	HV WATER PUMP BRACKET	G9141F	-	-	-

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

Fig 5: Hybrid Vehicle Transaxle Installation Components With Torque Specifications (5 Of 6)

Procedure		Part Name Code
19	FLYWHEEL HOUSING SIDE COVER	11363A	-	-	-
20	WIRE HARNESS CLAMP BRACKET	-	-	-	-
21	HV AIR CONDITIONING WIRE	821H2	-	-	-
22	NO. 1 TCM BRACKET	89539M	-	-	-
23	TCM	89530C	See step 23	-	-
24	CONNECT ENGINE WIRE	82121	See step 24	-	-
25	STEERING GEAR HEAT INSULATOR	45319	See step 25	-	-

Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N.m (kgf/cm, ft.lbf)

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

Fig 6: Hybrid Vehicle Transaxle Installation Components (6 Of 6)

Procedure		Part Name Code
26	NO. 1 INVERTER COOLING HOSE ASSEMBLY	G90A0A	See step 26	-	-
27	NO. 4 WATER BY-PASS HOSE	16281N	See step 27	-	-
28	WATER BY-PASS HOSE ASSEMBLY	16260	See step 28	-	-
29	ENGINE WITH TRANSAXLE ASSEMBLY WITH MOTOR AND INVERTER	-	See step 29	-	-
30	ECU CONFIGURATION	-	-	-	See step 30
31	PERFORM INITIALIZATION	-	-	-	See step 31
32	ACTUATOR POSITION LEARNING	-	-	-	See step 32