Caution / Notice / Hint

WARNING: This page is about a different car, the 2025 Toyota Corolla Cross, 2024 Toyota Corolla Cross, and 2023 Toyota Corolla Cross. 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 engine unit 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	End position initial setting	Power steering system	Refer to END POSITION INITIAL SETTING [11/2022 - ]
Replacement of throttle body with motor assembly Replacement of cam timing control motor with EDU assembly Replacement of camshaft timing gear assembly Replacement of engine assembly Replacement of cylinder head sub-assembly Replacement of camshaft (for intake or exhaust camshaft) Replacement of camshaft timing exhaust gear assembly Replacement of port fuel injector assembly Replacement of direct fuel injector assembly Replacement of fuel pump assembly (for high pressure side) Replacement of engine coolant temperature sensor Replacement of spark plug Replacement of ignition coil assembly Replacement of EGR valve assembly Gas leaks from exhaust system Replacement of knock control sensor Cleaning the deposits from the throttle body with motor assembly Removal and installation of a cam timing control motor with EDU assembly Removal and installation of a camshaft timing gear assembly	Inspection after repair	Poor idle, etc. Engine start function, etc.	Refer to INITIALIZATION [11/2022 - ]

COMPONENTS (REMOVAL)

Fig 1: Engine Unit Removal Components (1 Of 4)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1	NO. 2 RADIATOR HOSE	16572D	-	-	-
2	FUEL HOSE BRACKET	23881B	-	-	-
3	NO. 1 EXHAUST MANIFOLD HEAT INSULATOR	17167	See step 3	-	-
4	EXHAUST MANIFOLD	17141	See step 4	-	-
5	MANIFOLD STAY	17118	See step 5	-	-

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Non-reusable part

Fig 2: Engine Unit Removal Components (2 Of 4)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6	THROTTLE BODY WITH MOTOR ASSEMBLY	22030	See step 6	-	-
7	THROTTLE BODY GASKET	22271	-	-	-
8	NO. 3 WATER BY-PASS HOSE	16267	-	-	-
9	NO. 4 WATER BY-PASS HOSE	16281	-	-	-
10	EGR COOLER ASSEMBLY	25680	See step 10	-	-
11	NO. 1 EGR COOLER GASKET	25685	See step 11	-	-
12	NO. 1 EGR PIPE SUB-ASSEMBLY	25601	See step 12	-	-
13	EGR VALVE ADAPTER GASKET	25629	-	-	-
14	EGR INLET GASKET	25628	-	-	-
15	NO. 4 WATER BY-PASS HOSE	16281	-	-	-
16	DISCONNECT NO. 8 WATER BY-PASS HOSE	16296	-	-	-
17	EGR VALVE ASSEMBLY	25620	See step 17	-	-
18	REMOVE EGR VALVE GASKET	25627	See step 18	-	-
19	NO. 3 WATER BY-PASS PIPE	16279	See step 19	-	-
20	INTAKE MANIFOLD STAY	17138B	See step 20	-	-
21	INTAKE MANIFOLD	17111	-	-	-
22	NO. 1 INTAKE MANIFOLD TO HEAD GASKET	17177	-	-	-

*a	x2 or x3	*b	x3 or x2
•	Non-reusable part	-	-

Fig 3: Engine Unit Removal Components (3 Of 4)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
23	FUEL TUBE SUB-ASSEMBLY	23910A	See step 23	-	-
24	NO. 1 FUEL PIPE SUB-ASSEMBLY	23801P	See step 24	-	-
25	FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY (for High Pressure)	23100X	See step 25	-	-
26	FUEL PUMP FLANGE	23191	-	-	-
27	FUEL PUMP SPACER GASKET	23224D	-	-	-
28	FUEL PUMP LIFTER ASSEMBLY	23470	-	-	-
29	WATER BY-PASS HOSE ASSEMBLY	-	-	-	-
30	SENSOR WIRE	82219C	-	-	-
31	NO. 6 ENGINE WIRE	82126A	-	-	-
32	FUEL DELIVERY PIPE SUB-ASSEMBLY	23807	See step 32	-	-
33	FUEL DELIVERY SPACER	23891	-	-	-
34	INJECTOR VIBRATION INSULATOR	23291	-	-	-
35	NO. 5 ENGINE WIRE	82125N	-	-	-
36	PORT FUEL INJECTOR ASSEMBLY	23250F	See step 36	-	-
37	FUEL DELIVERY PIPE	23841B	See step 37	-	-
38	DIRECT FUEL INJECTOR ASSEMBLY	23250E	See step 38	-	-
39	NOZZLE HOLDER CLAMP	23695A	-	-	-
40	NO. 3 FUEL INJECTOR BACK-UP RING	23258	-	-	-
41	NO. 1 FUEL INJECTOR BACK-UP RING	23256	-	-	-
42	C-RING	-	-	-	-
43	INJECTOR VIBRATION INSULATOR	23291A	-	-	-
44	INJECTOR SEAL	23255A	-	-	-

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Non-reusable part

Fig 4: Engine Unit Removal Components (4 Of 4)

Procedure		Part Name Code	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
45	IGNITION COIL ASSEMBLY	19500	See step 45	-	-
46	ENGINE OIL LEVEL DIPSTICK GUIDE	11452D	See step 46	-	-
47	WATER INLET WITH THERMOSTAT SUB-ASSEMBLY	16031	-	-	-
48	ENGINE WATER PUMP ASSEMBLY (WATER INLET HOUSING)	16032	-	-	-
49	NO. 3 EXHAUST MANIFOLD HEAT INSULATOR	17169A	-	-	-
50	WIRE HARNESS CLAMP BRACKET	-	See step 50	-	-

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Non-reusable part