- 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
| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001HZ8X |
| Model Year Start: 2020 | Model: Corolla Hatchback | Prod Date Range: [03/2019 - 09/2022] |
| Title: M20A-FKS (ENGINE MECHANICAL): CYLINDER HEAD GASKET: REMOVAL; 2020 - 2022 MY Corolla Corolla Hatchback [03/2019 - 09/2022] | ||
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 cylinder head gasket removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced
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Replaced Part or Performed Procedure |
Necessary Procedure |
Effect/Inoperative Function when Necessary Procedure not Performed |
Link |
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*1: for Hatchback
*2: w/o Smart Key System *3: w/ Smart Key System |
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Battery terminal is disconnected/reconnected |
Perform steering sensor zero point calibration |
Lane Control System (for Gasoline Model) |
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Pre-collision System (for Gasoline Model) |
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Lighting System (w/ AFS)(EXT) |
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Initialize back door lock*1 |
Power Door Lock Control System (for Hatchback, Gasoline Model) |
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Replacement of ECM |
Vehicle Identification Number (VIN) registration |
MIL comes on |
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ECU communication ID registration (Immobiliser system) |
Engine start function |
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Replacement of ECM*3 |
Code registration (Smart Key System (for Gasoline Model, Start Function)) |
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Replacement of ECM*2 |
Code registration (Immobiliser system) |
Engine start |
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Inspection After Repair |
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Replacement of continuously variable transaxle assembly |
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Replacement of ECM |
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Suspension, tires, etc. (The vehicle height changes because of suspension or tire replacement) |
Perform headlight ECU sub-assembly LH initialization |
Lighting system (w/ AFS)(EXT) |
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Front wheel alignment adjustment |
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w/ Electric Parking Brake System:
w/o Electric Parking Brake System:
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CVT fluid |
ATF thermal degradation estimate reset |
The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly |
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NOTICE:
- After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System and Audio and Visual System (for Gasoline Model))
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This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
Click here
![2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION](/t3Portal/stylegraphics/info.gif)
PROCEDURE
1. INSTALL ENGINE ASSEMBLY TO ENGINE STAND
Click here
2. REMOVE ENGINE HANGER
Click here
3. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY
Click here
4. REMOVE NO. 2 WATER BY-PASS PIPE SUB-ASSEMBLY
Click here
5. REMOVE FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY)
Click here
6. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
Click here
7. REMOVE EXHAUST MANIFOLD (TWC: Front Catalyst)
Click here
8. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY
Click here
9. REMOVE THROTTLE BODY GASKET
Click here
10. REMOVE EGR COOLER ASSEMBLY
Click here
11. REMOVE NO. 1 EGR PIPE SUB-ASSEMBLY
Click here
12. REMOVE EGR VALVE ASSEMBLY
Click here
13. REMOVE NO. 3 WATER BY-PASS PIPE
Click here
14. REMOVE INTAKE MANIFOLD STAY
Click here
15. DISCONNECT NO. 1 FUEL VAPOR FEED HOSE
Click here
16. REMOVE INTAKE MANIFOLD
Click here
17. REMOVE NO. 1 INTAKE MANIFOLD TO HEAD GASKET
Click here
18. DISCONNECT FUEL TUBE SUB-ASSEMBLY
Click here
19. REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY
Click here
20. REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY (for High Pressure)
Click here
21. REMOVE NO. 1 WATER BY-PASS HOSE ASSEMBLY
Click here
22. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY
Click here
23. REMOVE FUEL DELIVERY SPACER
Click here
24. REMOVE INJECTOR VIBRATION INSULATOR
Click here
25. REMOVE NO. 5 ENGINE WIRE
Click here
26. REMOVE PORT FUEL INJECTOR ASSEMBLY
Click here
27. REMOVE FUEL DELIVERY PIPE
Click here
28. REMOVE DIRECT FUEL INJECTOR ASSEMBLY
Click here
29. REMOVE FUEL INJECTOR SEAL
Click here
30. REMOVE IGNITION COIL ASSEMBLY
Click here
31. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE
Click here
32. REMOVE VACUUM SURGE TANK
Click here
33. REMOVE OIL PRESSURE CONTROL VALVE ASSEMBLY
Click here
34. REMOVE CAMSHAFT POSITION SENSOR (for Intake Side)
Click here
35. REMOVE CAMSHAFT POSITION SENSOR (for Exhaust Side)
Click here
36. REMOVE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY
Click here
37. REMOVE CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY
Click here
38. REMOVE CAM TIMING CONTROL MOTOR O-RING
Click here
39. REMOVE VACUUM PUMP ASSEMBLY
Click here
40. REMOVE CRANKSHAFT PULLEY ASSEMBLY
Click here
41. REMOVE WATER OUTLET
Click here
42. REMOVE WATER BY-PASS OUTLET SUB-ASSEMBLY
Click here
43. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
Click here
44. REMOVE SPARK PLUG TUBE GASKET
Click here
45. REMOVE ENGINE MOUNTING BRACKET RH
Click here
46. REMOVE NO. 2 TIMING CHAIN COVER ASSEMBLY
Click here
47. REMOVE TIMING CHAIN COVER OIL SEAL
Click here
48. SET NO. 1 CYLINDER TO TDC (COMPRESSION)
Click here
49. REMOVE OIL PUMP DRIVE CHAIN SUB-ASSEMBLY
Click here
50. REMOVE CAMSHAFT TIMING GEAR ASSEMBLY
Click here
51. REMOVE CHAIN SUB-ASSEMBLY
Click here
52. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY
Click here
53. REMOVE CHAIN TENSIONER SLIPPER
Click here
54. REMOVE NO. 1 CHAIN VIBRATION DAMPER
Click here
55. REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY
Click here
56. REMOVE TIMING CHAIN COVER ASSEMBLY
Click here
57. REMOVE FUEL PUMP LIFTER GUIDE
Click here
58. REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY
Click here
59. REMOVE CAMSHAFT BEARING CAP
Click here
60. REMOVE INTAKE CAMSHAFT SUB-ASSEMBLY
Click here
61. REMOVE EXHAUST CAMSHAFT SUB-ASSEMBLY
Click here
62. REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY
Click here
63. REMOVE VALVE LASH ADJUSTER ASSEMBLY
Click here
64. REMOVE CYLINDER HEAD SUB-ASSEMBLY
Click here
65. REMOVE CYLINDER HEAD GASKET
(a) Remove the cylinder head gasket from the cylinder block sub-assembly.
66. INSPECT CYLINDER HEAD SET BOLT
Click here
67. INSPECT CYLINDER HEAD SUB-ASSEMBLY
Click here
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