Caution / Notice / Hint

WARNING: This page is about a different car, the 2024 Lexus TX 550h+ and 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 [09/2023 - 12/2023] (1 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
1	HOW TO PREVENT STATIC ELECTRICITY	-	See step 1	-	-
2	EV MOTOR CONTROL INVERTER ASSEMBLY	G9210	See step 2	-	-
3	REAR TRANSAXLE MOTOR COMPARTMENT WIRE	82115A	See step 3	-	-
4	REAR TRANSAXLE INVERTER COOLING PIPE	G9171D	See step 4	-	-
5	INSPECT FOR AIR LEAK	-	-	-	See step 5
6	INVERTER COVER	G9221	See step 6	-	-

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

•

Non-reusable part

Fig 2: Inverter Installation Components With Torque Specifications [09/2023 - 12/2023] (2 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
7	HV BATTERY CHARGER WIRE	821H5A	See step 7	-	-
8	UPPER INVERTER COVER SUB-ASSEMBLY	G9022B	See step 8	-	-
9	MOTOR MOUNTING INSULATOR LH	G2372	See step 9	-	-
10	REAR MOTOR MOUNTING INSULATOR RH	G2366	See step 10	-	-
11	MOTOR MOUNTING STAY RH	G2317	See step 11	-	-
12	NO. 1 INVERTER COOLING HOSE ASSEMBLY	G90A0A	See step 12	-	-
13	NO. 1 TRANSMISSION OIL COOLER HOSE ASSEMBLY	32930F	See step 13	-	-
14	FRAME WIRE	82164	See step 14	-	-

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 3: Inverter Installation Components [09/2023 - 12/2023] (3 Of 3)

Procedure		Part Name Code
15	REAR TRANSAXLE WITH MOTOR AND INVERTER ASSEMBLY	30610A	See step 15	-	-
16	ECU CONFIGURATION	-	-	-	See step 16
17	PERFORM RESOLVER LEARNING	-	-	-	See step 17