G16E-GTS (ENGINE MECHANICAL): CAMSHAFT: REMOVAL; 2025 MY GR Corolla [09/2024 - ]

Last Modified: 12-11-2024	6.11:8.1.0	Doc ID: RM100000002Q97M
Model Year Start: 2025	Model: GR Corolla	Prod Date Range: [09/2024 - ]
Title: G16E-GTS (ENGINE MECHANICAL): CAMSHAFT: REMOVAL; 2025 MY GR Corolla [09/2024 - ]

REMOVAL

CAUTION / NOTICE / HINT

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 Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
1:w/ Steering Lock Function 2: Not necessary when ECM replaced with new one. 3: If transaxle compensation code read from ECM 4: If transaxle compensation code not read from ECM
Replacement of ECM	Perform Vehicle Identification Number (VIN) or frame number registration	MIL illuminates
	ECU configuration	-
	Update ECU security key	Vehicle Control History (RoB) are stored
	Heavy Knock History	-
	ECU communication ID registration (Immobiliser system)	Engine start function
	Code registration (Smart Key System (for Gasoline Model, Start Function))	Wireless Door Lock Control System (for Gasoline Model with Smart Key System) Smart Key System (for Gasoline Model, Entry Function) Smart Key System (for Gasoline Model, Start Function) Steering lock function*1
	for UC80F Perform reset memory2 Transfer transaxle compensation code3 Reset transaxle compensation code*4 Perform road test to allow ECM to learn	Large shift shock Deterioration of fuel efficiency	Initialization: Registration:
Replacement of camshaft (for intake or exhaust camshaft) Replacement of camshaft timing gear assembly Replacement of camshaft timing exhaust gear assembly Replacement of engine coolant temperature sensor Replacement of spark plug Replacement of engine assembly Gas leaks from exhaust system is repaired	Inspection After Repair	Poor idle, etc. Engine start function, etc.
Automatic transaxle assembly	Perform reset memory Input transaxle compensation code into ECM Perform road test to allow ECM to learn	Large shift shock Deterioration of fuel efficiency	Initialization: Registration:
Automatic transaxle fluid	ATF thermal degradation estimate reset	The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly
Front wheel alignment adjustment	Perform "Reset Memory" Perform "Calibration"	VSC is disabled or malfunctions DTCs are output Slip indicator light illuminates ABS warning light illuminates
Tire	ECU Data Initialization (When performing tire replacement after RoB code X2104 is output)	Active Torque Split AWD System

NOTICE:

This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

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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
Front Camera System	Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more.

Learning completes when vehicle is operated normally

Effect/Inoperative Function When Necessary Procedures are not Performed	Necessary Procedures	Link
Power door lock control system Back door opener	Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.

PROCEDURE

1. REMOVE NO. 3 CYLINDER BLOCK INSULATOR

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2. REMOVE SPARK PLUG

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3. REMOVE OIL PRESSURE AND TEMPERATURE SENSOR

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4. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side)

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5. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side)

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6. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY

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7. REMOVE WATER INLET WITH WATER PUMP HOUSING SUB-ASSEMBLY

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8. REMOVE OIL FILLER CAP ASSEMBLY

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9. REMOVE CRANKSHAFT POSITION SENSOR

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10. REMOVE PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)

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11. REMOVE VACUUM PUMP ASSEMBLY

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12. REMOVE CRANKSHAFT PULLEY ASSEMBLY

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13. REMOVE CAMSHAFT POSITION SENSOR (for Intake Side)

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14. REMOVE CAMSHAFT POSITION SENSOR (for Exhaust Side)

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15. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY

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16. REMOVE SPARK PLUG TUBE GASKET

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17. REMOVE ENGINE MOUNTING BRACKET RH

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18. REMOVE NO. 2 TIMING CHAIN COVER ASSEMBLY

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19. REMOVE TIMING CHAIN COVER OIL SEAL

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20. REMOVE TIMING CHAIN COVER ASSEMBLY

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21. SET VALVE TIMING

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22. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY

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23. REMOVE TIMING CHAIN GUIDE

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24. REMOVE DAMPER PLATE SPACER

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25. REMOVE CHAIN TENSIONER SLIPPER

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26. REMOVE CHAIN SUB-ASSEMBLY

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27. REMOVE NO. 1 CHAIN VIBRATION DAMPER

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28. REMOVE CRANKSHAFT TIMING GEAR OR SPROCKET

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29. REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY

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30. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY

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31. REMOVE FUEL PUMP LIFTER GUIDE

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32. REMOVE FUEL PUMP LIFTER HOUSING

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33. REMOVE CAMSHAFT POSITION SENSOR HOLDER

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34. REMOVE CAMSHAFT BEARING CAP

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35. REMOVE EXHAUST CAMSHAFT SUB-ASSEMBLY

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36. REMOVE INTAKE CAMSHAFT SUB-ASSEMBLY

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