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.

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during floor under wire 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
Auxiliary battery terminal is disconnected/reconnected	Operate the multiplex network master switch assembly (retractable outer mirror switch) to extend and retract the outer rear view mirror assembly	Parking Support Brake System*	Refer to INITIALIZATION [09/2023 - ]

*: When "[Parking Support Brake System icon] System Stopped See Owner's Manual" is displayed on the multi-information display.

WARNING:

Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the appropriate service information .

Refer to PRECAUTION [09/2023 - ]

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Tapping cannot be performed on the bolt holes shown in the illustration.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Areas where tapping is prohibited

If tapping is performed, electrical leakage, the spraying of electrolyte, and short circuits may result, leading to electrical shock or fire.
When tapping is required, replace the HV battery with a new one.

NOTE:

To prevent the key from being locked in the vehicle, make sure to enter e-latch inspection mode and enable the manual release handle before disconnecting the cable from the negative (-) auxiliary battery terminal.

Refer to INSPECTION MODE PROCEDURE [09/2023 - ]

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 VEHICLE IS DRIVEN

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
Lighting System (w/ Automatic Headlight Beam Level Control System)	Drive the vehicle straight ahead at 15 km/h (10 mph) or more for 1 second or more.	Refer to INITIALIZATION [09/2023 - ]
Front Camera System
Adaptive High Beam System

LEARNING COMPLETES WHEN VEHICLE IS OPERATED NORMALLY

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
Power Back Door System	Reset back door close position	Refer to INITIALIZATION [09/2023 - ]
Air Conditioning System	After the ignition switch is turned to ON, the servo motor standard position is recognized.	-

COMPONENTS (REMOVAL)

Fig 1: Frame Wire (For 1Motor-HEV Model) Removal Components (1 Of 13)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
1	PRECAUTION	-	See step 1	-	-
2	FUEL TANK ASSEMBLY	-	-	-	-

Fig 2: Frame Wire (For 1Motor-HEV Model) Removal Components (2 Of 13)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
3	SERVICE PLUG GRIP	G3834	-	-	-

Fig 3: Frame Wire (For 1Motor-HEV Model) Removal Components (3 Of 13)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
4	FRONT WHEEL OPENING EXTENSION PAD LH	53852B	-	-	-
5	FRONT WHEEL OPENING EXTENSION PAD RH	53851D	-	-	-
6	NO. 1 ENGINE UNDER COVER	51441	-	-	-
7	NO. 2 ENGINE UNDER COVER ASSEMBLY	51420	-	-	-
8	DRAIN COOLANT (for Intercooler)	-	-	See step 8	-
9	NO. 1 ENGINE COVER SUB-ASSEMBLY	12601B	See step 9	-	-
10	AIR CLEANER ASSEMBLY WITH NO. 1 AIR CLEANER HOSE	-	-	-	-
11	AIR CLEANER HOSE ASSEMBLY	17880	-	-	-
12	ECM	89661	-	-	-
13	WATER HOSE WITH FUEL VAPOR FEED HOSE ASSEMBLY	-	-	-	-

Fig 4: Frame Wire (For 1Motor-HEV Model) Removal Components With Torque Specifications (4 Of 13)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
14	INTAKE AIR CONNECTOR BRACKET	17872	-	-	-
15	REMOVE BATTERY COVER LOCK STRIKER	G9295B	See step 15	-	-
16	REMOVE INVERTER TERMINAL COVER	G9223	See step 16	-	-
17	TERMINAL VOLTAGE	-	See step 17	-	-
18	REMOVE INVERTER COVER GASKET	G9231	See step 18	-	-
19	INSTALL INVERTER COVER GASKET	G9231	-	-	-
20	INSTALL INVERTER TERMINAL COVER	G9223	See step 20	-	-
21	INSTALL BATTERY COVER LOCK STRIKER	G9295B	See step 21	-	-
22	ENGINE WIRE	82121	See step 22	-	-
23	BATTERY COVER LOCK STRIKER	G9295B	See step 23	-	-
24	REMOVE UPPER INVERTER COVER SUB-ASSEMBLY	G9022A	See step 24	-	-
25	FLOOR UNDER WIRE	821H1	See step 25	-	-
26	REMOVE INVERTER TERMINAL GASKET	G9233	See step 26	-	-
27	INSTALL UPPER INVERTER COVER SUB-ASSEMBLY	G9022A	See step 27	-	-

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

Fig 5: Frame Wire (For 1Motor-HEV Model) Removal Components (5 Of 13)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
28	REAR NO. 1 SEAT ASSEMBLY	-	-	-	-
29	REAR NO. 2 SEAT ASSEMBLY	-	-	-	-
30	REAR CONSOLE BOX ASSEMBLY	58910C	-	-	-

for Captain Seat Type

Fig 6: Frame Wire (For 1Motor-HEV Model) Removal Components (6 Of 13)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
31	REAR FLOOR FINISH PLATE	58387B	-	-	-
32	REAR DOOR OPENING TRIM WEATHERSTRIP RH	62331C	-	-	-
33	CENTER PILLAR LOWER GARNISH BELT HOLE COVER RH	73295A	-	-	-
34	REAR SEAT OUTER BELT ASSEMBLY RH	73360D	-	-	-
35	DECK SIDE TRIM COVER RH	64714C	-	-	-
36	REAR NO. 2 SEAT OUTER BELT ASSEMBLY RH	73560	-	-	-

Fig 7: Frame Wire (For 1Motor-HEV Model) Removal Components (7 Of 13)

Procedure		Part Name Code
37	DECK TRIM POCKET COVER	64974	See step 37	-	-
38	NO. 1 LUGGAGE COMPARTMENT TRIM HOOK	64725F	-	-	-
39	ROPE HOOK	66311	See step 39	-	-
40	ROPE HOOK ASSEMBLY	66310H	See step 40	-	-
41	DECK TRIM SIDE PANEL ASSEMBLY RH	64730B	-	-	-

Fig 8: Frame Wire (For 1Motor-HEV Model) Removal Components (8 Of 13)

Procedure		Part Name Code
42	FRONT FLOOR CARPET ASSEMBLY	-	-	-	-
43	NO. 1 REAR FLOOR SILENCER	-	-	-	-

Fig 9: Frame Wire (For 1Motor-HEV Model) Removal Components (9 Of 13)

Procedure		Part Name Code
44	NO. 3 CONSOLE BOX MOUNTING BRACKET	58997	See step 44	-	-
45	NO. 4 CONSOLE BOX MOUNTING BRACKET	58994A	See step 45	-	-

for Captain Seat Type

Fig 10: Frame Wire (For 1Motor-HEV Model) Removal Components (10 Of 13)

Procedure		Part Name Code
46	NO. 6 HV BATTERY SHIELD SUB-ASSEMBLY	G920V	See step 46	-	-
47	NO. 2 HV FLOOR UNDER WIRE	821H6	See step 47	-	-
48	HV BATTERY CHARGER WIRE	821H5A	See step 48	-	-

*A	for 60/40 Split Seat Type	-	-
*1	HV Battery Wire	*2	NO. 2 BATTERY COVER LOCK STRIKER

Fig 11: Frame Wire (For 1Motor-HEV Model) Removal Components (11 Of 13)

Procedure		Part Name Code
49	REAR SUSPENSION MEMBER WITH TRANSAXLE ASSEMBLY	-	-	-	-
50	UPPER INVERTER COVER SUB-ASSEMBLY	G9022B	See step 50	-	-
51	TERMINAL VOLTAGE	-	See step 51	-	-
52	HV BATTERY CHARGER WIRE	821H5A	See step 52	-	-

Fig 12: Frame Wire (For 1Motor-HEV Model) Removal Components (12 Of 13)

Procedure		Part Name Code
53	FRONT EXHAUST PIPE ASSEMBLY	17410	-	-	-
54	NO. 2 EXHAUST PIPE SUPPORT BRACKET	17572B	-	-	-
55	FRONT FLOOR COVER RH	58165C	See step 55	-	-
56	ENGINE SERVICE COVER ASSEMBLY	58720B	-	-	-
57	REAR MAIN MUFFLER HEAT INSULATOR SUB-ASSEMBLY	58043	-	-	-

Fig 13: Frame Wire (For 1Motor-HEV Model) Removal Components (13 Of 13)

Procedure		Part Name Code
58	NO. 2 INVERTER COOLING PIPE	G9181A	-	-	-
59	FLOOR UNDER WIRE	821H1	See step 59	-	-
60	NO. 2 HV FLOOR UNDER WIRE	821H6	See step 60	-	-

*1	NO. 1 TERMINAL CAP	*2	NO. 4 RELAY BLOCK COVER
•	Non-reusable part	-	-