Caution / Notice / Hint

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. 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 camshaft 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 - ]
Replacement of throttle body with motor assembly Cleaning the deposits from the throttle body with motor assembly Replacement of camshaft (for intake or exhaust camshaft) Replacement of camshaft timing gear assembly Replacement of camshaft timing exhaust gear assembly Replacement of fuel (engine room side) pump assembly (for high pressure side) Replacement of ignition coil assembly Replacement of EGR valve assembly Gas leak from exhaust system is repaired Replacement of engine assembly	Inspection After Repair	Poor idle, etc. Engine start function, etc.	Refer to INITIALIZATION [12/2023 - ]
Replacement of ECM	Perform Vehicle Identification Number (VIN) registration	DTC is output	Refer to REGISTRATION [12/2023 - ]
Replacement of ECM	Update ECU security key	Vehicle Control History (RoB) are stored	Refer to UPDATE ECU SECURITY KEY [09/2023 - ]
Replacement of hybrid motor control inverter assembly	ECU configuration	-	Refer to ECU CONFIGURATION [09/2023 - ]
Replacement of hybrid motor control inverter assembly	Front Resolver Correction value Registration Front Resolver Correction value Writing	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 [12/2023 - ]
Replacement of service plug grip	High voltage fuse accumulated load history reset	DTCs are stored	Refer to UTILITY [12/2023 - ]
Replacement of hybrid vehicle transaxle assembly	Front Resolver Correction value Writing	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 [12/2023 - ]
Suspension parts	Rear television camera assembly optical axis (Back camera position setting)	Parking Assist Monitor System	Refer to CALIBRATION [09/2023 - ]
	Parking assist ECU initialization	Panoramic View Monitor System	Refer to CALIBRATION [09/2023 - ]
	Parking assist ECU initialization	Advanced Park	Refer to CALIBRATION [09/2023 - ]
	w/ Automatic Headlight Beam Level Control System: Perform headlight ECU (headlight assembly LH) initialization	Lighting System (EXT)	Refer to INITIALIZATION [09/2023 - ]
Tires	Initialization12 Tire Position Identification12	Tire Pressure Warning System	Refer to Procedures Necessary When Replacing Parts (for Tire Pressure Warning System) table below Refer to WORK PROCEDURE [12/2023 - ]
	Rear television camera assembly optical axis (Back camera position setting)	Parking Assist Monitor System	Refer to CALIBRATION [09/2023 - ]
	Parking assist ECU initialization	Panoramic View Monitor System	Refer to CALIBRATION [09/2023 - ]
	Parking assist ECU initialization	Advanced Park	Refer to CALIBRATION [09/2023 - ]
Replacement of front bumper assembly*3	Front television camera view adjustment	Panoramic View Monitor System	Refer to CALIBRATION [09/2023 - ]
Replacement of front bumper assembly*3	Front television camera view adjustment	Advanced Park	Refer to CALIBRATION [09/2023 - ]
Front wheel alignment adjustment	Perform "Calibration"	DTCs are stored ABS warning light illuminates Brake system warning light (yellow indicator) illuminates Slip indicator light illuminates Electronically controlled brake system disabled or malfunctions	Refer to RESET MEMORY / CALIBRATION [09/2023 - ]

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

*1: Also necessary after performing a tire rotation.

*2: It is not necessary to perform this procedure if the tire pressure warning valve and transmitters are installed to the same location.

*3: Even when not replacing the part, it is necessary to perform the specified necessary procedures after installation.

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 Procedures are not Performed	Necessary Procedures	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 Procedures are not Performed	Necessary Procedures	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: Camshaft Removal Components (1 Of 8)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
1	INSTALL ENGINE ASSEMBLY TO ENGINE STAND	-	See step 1	-	-
2	REMOVE ENGINE HANGERS	-	-	-	-
3	DISCONNECT WATER BY-PASS HOSE	16261	-	-	-
4	NO. 2 WATER BY-PASS HOSE	16264	-	-	-
5	THROTTLE BODY WITH MOTOR ASSEMBLY	22030	See step 5	-	-
6	THROTTLE BODY GASKET	22271	-	-	-
7	NO. 2 WATER BY-PASS PIPE	16278	-	-	-
8	REMOVE WATER BY-PASS HOSE	16261	-	-	-
9	VENTILATION HOSE	12261	-	-	-
10	WATER BY-PASS HOSE SUB-ASSEMBLY	-	-	-	-
11	NO. 2 SURGE TANK STAY	17126	-	-	-
12	INTAKE AIR SURGE TANK ASSEMBLY	17190	See step 12	-	-
13	AIR SURGE TANK TO INTAKE MANIFOLD GASKET	17176	-	-	-

•

Non-reusable part

Fig 2: Camshaft Removal Components (2 Of 8)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
14	NO. 1 FUEL HOSE	23801F	See step 14	-	-
15	WIRE HARNESS CLAMP BRACKET	-	-	-	-
16	REAR ENGINE MOUNTING STAY RH	12327	-	-	-
17	INTAKE MANIFOLD	17111	See step 17	-	-
18	NO. 1 INTAKE MANIFOLD TO HEAD GASKET	17177	-	-	-

•

Non-reusable part

Fig 3: Camshaft Removal Components (3 Of 8)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
19	FUEL PUMP PROTECTOR	23214A	-	-	-
20	NO. 1 FUEL PIPE SUB-ASSEMBLY	23801P	See step 20	-	-
21	FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY	23100X	-	-	-
22	FUEL PUMP LIFTER ASSEMBLY	23470	-	-	-
23	FUEL PUMP SPACER GASKET	23224D	-	-	-

*1	FUEL PUMP LIFTER GUIDE	-	-
•	Non-reusable part	-	-

Fig 4: Camshaft Removal Components (4 Of 8)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
24	NO. 1 ENGINE COVER	12611	-	-	-
25	VENTILATION HOSE	12261	-	-	-
26	NO. 2 VENTILATION HOSE	-	-	-	-
27	IGNITION COIL ASSEMBLY	19500	See step 27	-	-
28	ENGINE OIL LEVEL DIPSTICK GUIDE	11452	-	-	-

*1	ENGINE OIL LEVEL DIPSTICK	-	-
•	Non-reusable part	-	-

Fig 5: Camshaft Removal Components (5 Of 8)

Procedure		Part Name Code
29	CAM TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 1)	15370B	See step 29	-	-
30	CAM TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 1)	15370B	See step 30	-	-
31	VVT SENSOR (for Intake Side of Bank 1)	11101E	See step 31	-	-
32	VVT SENSOR (for Exhaust Side of Bank 1)	11102A	See step 32	-	-
33	CYLINDER HEAD COVER SUB-ASSEMBLY	11201	-	-	-
34	SPARK PLUG TUBE GASKET	-	See step 34	-	-

*1	NO. 1 ENGINE COVER SUB-ASSEMBLY	-	-
•	Non-reusable part	*	Precoated part

Fig 6: Camshaft Removal Components (6 Of 8)

Procedure		Part Name Code
35	CAM TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 2)	15370C	See step 35	-	-
36	CAM TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 2)	15370C	See step 36	-	-
37	VVT SENSOR (for Intake Side of Bank 2)	11102A	See step 37	-	-
38	VVT SENSOR (for Exhaust Side of Bank 2)	11102A	See step 38	-	-
39	CYLINDER HEAD COVER SUB-ASSEMBLY LH	11202	-	-	-
40	SPARK PLUG TUBE GASKET	-	See step 40	-	-

*1	NO. 1 V-BANK COVER BRACKET	-	-
•	Non-reusable part	*	Precoated part

Fig 7: Camshaft Removal Components (7 Of 8)

Procedure		Part Name Code
41	TIMING CHAIN COVER PLATE	11324	-	-	-
42	SET NO. 1 CYLINDER TO TDC (COMPRESSION)	-	See step 42	-	-
43	NO. 1 CHAIN TENSIONER ASSEMBLY	13540	See step 43	-	-
44	CHAIN SUB-ASSEMBLY (for Bank 1)	13506	See step 44	-	-
45	NO. 2 CHAIN TENSIONER ASSEMBLY	13550	-	-	-
46	CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 1)	-	See step 46	-	-
47	CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 1)	-	See step 47	-	-
48	CAMSHAFT BEARING CAP (for Bank 1)	-	See step 48	-	-
49	NO. 2 CAMSHAFT	13512	See step 49	-	-
50	CAMSHAFT	13511	See step 50	-	-
51	CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY (for Bank 1)	13070A	-	-	-
52	CAMSHAFT TIMING GEAR ASSEMBLY (for Bank 1)	13050	See step 52	-	-

*1	NO. 2 CHAIN SUB-ASSEMBLY	*2	FUEL PUMP LIFTER HOUSING
*3	OIL CONTROL VALVE FILTER	-	-
•	Non-reusable part	-	-

Fig 8: Camshaft Removal Components (8 Of 8)

Procedure		Part Name Code
53	CHAIN SUB-ASSEMBLY (for Bank 2)	13506	See step 53	-	-
54	NO. 3 CHAIN TENSIONER ASSEMBLY	13560A	-	-	-
55	CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 2)	-	See step 55	-	-
56	CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 2)	-	See step 56	-	-
57	CAMSHAFT BEARING CAP (for Bank 2)	-	See step 57	-	-
58	NO. 4 CAMSHAFT SUB-ASSEMBLY	13054	See step 58	-	-
59	NO. 3 CAMSHAFT SUB-ASSEMBLY	13053	See step 59	-	-
60	CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY (for Bank 2)	13070A	-	-	-
61	CAMSHAFT TIMING GEAR ASSEMBLY (for Bank 2)	13050	See step 61	-	-

NO. 2 CHAIN SUB-ASSEMBLY

OIL CONTROL VALVE FILTER