Caution / Notice / Hint

WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. 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 flow shutting valve (water by-pass hose 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
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 [10/2022 - ]
Replacement of hybrid motor control inverter assembly	Resolver learning	DTCs are stored Slight vibration at a vehicle speed of 5 km/h (3 mph) or less Shock or vibration during acceleration	Refer to UTILITY [10/2022 - ]

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

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
Front Camera System	Drive the vehicle straight ahead at 15 km/h (10 mph) or more for 1 second or more.	Refer to INITIALIZATION [10/2022 - ]
Adaptive High Beam System
Lighting System (w/ Automatic Headlight Beam Level Control 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 [10/2022 - ]
Air Conditioning System	After the ignition switch is turned to ON, the servo motor standard position is recognized.	-

COMPONENTS (REMOVAL)

Fig 1: Flow Shutting Valve Removal Components [10/2022 - 08/2023] (1 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
1	FRONT WHEEL OPENING EXTENSION PAD LH	53852B	-	-	-
2	FRONT WHEEL OPENING EXTENSION PAD RH	53851D	-	-	-
3	NO. 1 ENGINE UNDER COVER	51441	-	-	-
4	DRAIN ENGINE COOLANT (for Engine)	-	-	See step 4	-

Fig 2: Flow Shutting Valve Removal Components [10/2022 - 08/2023] (2 Of 3)

Procedure		Part Name Code
5	INVERTER WITH CONVERTER ASSEMBLY	G92A0	-	-	-
6	WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY	-	-	-	-
7	OUTER COWL TOP PANEL SUB-ASSEMBLY	55701J	-	-	-

Fig 3: Flow Shutting Valve Removal Components [10/2022 - 08/2023] (3 Of 3)

Procedure		Part Name Code
8	WIRING HARNESS CLAMP BRACKET	82715	See step 8	-	-
9	FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY)	16260	See step 9	-	-

*1	OUTLET HEATER WATER HOSE	*2	INLET HEATER WATER HOSE
*3	NO. 2 WATER BY-PASS PIPE SUB-ASSEMBLY	*4	HEATER WATER HOSE