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 cam timing control motor with EDU 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 cam timing control motor with EDU assembly Removal and installation of a cam timing control motor with EDU assembly	Inspection after repair	Poor idle, etc. Engine start function, etc.	Refer to INITIALIZATION [10/2022 - ]

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

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 [10/2022 - ]
This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
Refer to PRECAUTION [10/2022 - ]

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	except PHEV Model: After the ignition switch is turned to ON, the servo motor standard position is recognized. for PHEV Model: After the ignition switch is turned to ON, the servo motor and cooler expansion valve standard position is recognized.	-

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

except PHEV Model:

After the ignition switch is turned to ON, the servo motor standard position is recognized.

for PHEV Model:

After the ignition switch is turned to ON, the servo motor and cooler expansion valve standard position is recognized.

COMPONENTS (REMOVAL)

Fig 1: Camshaft Timing Control Motor Removal Components [08/2023 - ] (1 Of 2)

Procedure		Part Name Code
1	PRECAUTION	-	See step 1	-	-
2	BATTERY SERVICE COVER PLATE	58491E	-	-	-
3	NEGATIVE AUXILIARY BATTERY TERMINAL	-	-	-	-

w/o Spare Tire

w/ Spare Tire

Fig 2: Camshaft Timing Control Motor Removal Components [08/2023 - ] (2 Of 2)

Procedure		Part Name Code
4	NO. 1 ENGINE COVER SUB-ASSEMBLY	12601B	See step 4	-	-
5	DISCHARGE HOSE SUB-ASSEMBLY	88703	-	-	-
6	EARTH BOLT CAP	-	-	-	-
7	NO. 2 EARTH WIRE	82286A	-	-	-
8	CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY	13090D	See step 8	-	-
9	CAM TIMING CONTROL MOTOR O-RING	13090E	-	-	-

*A	for PHEV Model	-	-
•	Non-reusable part	-	-