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.

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: Inverter Installation Components With Torque Specifications (1 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
1	INSTALL NO. 1 INVERTER BUSBAR PLATE	-	See step 1	-	-

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

Fig 2: Inverter Installation Components With Torque Specifications (2 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
2	INLET NO. 1 INVERTER COOLING HOSE	G922A	See step 2	-	-
3	INVERTER CASE GASKET	-	See step 3	-	-
4	TEMPORARILY INSTALL HYBRID MOTOR CONTROL INVERTER ASSEMBLY	G92A0	See step 4	-	-
5	ENGINE WIRE	82121	See step 5	-	-
6	RESOLVER THERMISTOR WIRE	-	See step 6	-	-
7	NO. 4 INVERTER COOLING HOSE	G9228A	See step 7	-	-
8	SUPPORT ENGINE WITH TRANSAXLE ASSEMBLY WITH MOTOR AND INVERTER	-	See step 8	-	-
9	REMOVE ENGINE MOUNTING INSULATOR SUB-ASSEMBLY LH	12306	-	-	-
10	CONNECT NO. 1 INVERTER BUSBAR PLATE	-	See step 10	-	-
11	UPPER INVERTER COVER	G9221G	See step 11	-	-
12	FULLY TIGHTEN HYBRID MOTOR CONTROL INVERTER ASSEMBLY	G92A0	See step 12	-	-
13	BREATHER HOSE	-	See step 13	-	-
14	LIFT DOWN	-	See step 14	-	-
15	O-RING	-	See step 15	-	-

	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 3: Inverter Installation Components With Torque Specifications (3 Of 3)

Procedure		Part Name Code
16	INSTALL ENGINE MOUNTING INSULATOR SUB-ASSEMBLY LH	12306	See step 16	-	-
17	ENGINE MOUNTING STAY LH	12318	See step 17	-	-
18	EV CONVERTER ASSEMBLY	G9200	See step 18	-	-
19	ECU CONFIGURATION	-	-	-	See step 19
20	PERFORM RESOLVER INITIALIZATION	-	-	-	See step 20
21	PERFORM INITIALIZATION	-	-	-	See step 21

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