- 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
| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM1000000028LKS |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [11/2022 - ] |
| Title: G16E-GTS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL; 2023 - 2025 MY GR Corolla [11/2022 - ] | ||
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 engine assembly removal/installation are shown below.
Necessary Procedure 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 |
|---|---|---|---|
| *1:w/ Steering Lock Function | |||
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Replacement of ECM |
Perform Vehicle Identification Number (VIN) or frame number registration |
MIL illuminates |
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ECU configuration |
- |
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Update ECU security key |
Vehicle Control History (RoB) are stored |
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Heavy Knock History |
- |
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ECU communication ID registration (Immobiliser system) |
Engine start function |
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Code registration (Smart Key System (for Gasoline Model, Start Function)) |
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Inspection After Repair |
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Front wheel alignment adjustment |
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Tire |
ECU Data Initialization (When performing tire replacement after RoB code X2104 is output) |
Active Torque Split AWD System |
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CAUTION:
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The engine assembly with transaxle is very heavy. Be sure to follow the procedure described in the repair manual, or the engine lifter may suddenly drop or the engine assembly with transaxle may fall off the engine lifter.
*a
An Object Exceeding Weight Limit of Engine Lifter
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To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
NOTICE:
- After the ignition switch is turned off, the radio and display receiver assembly recordsvarious types of memory and settings. As a result, after turning the ignition switch off,make sure to wait at least 3 minutes before disconnecting the cable from the negative(-) auxiliary battery terminal. (w/ Navigation System, Audio and Visual System (except Radio Receiver Type))
- When the cable is disconnected from the negative (-) auxiliary battery terminal and thesecurity lock setting has been enabled, multi-display operations will be disabled uponnext startup unless the password is entered. Be sure to check the security lock settingbefore disconnecting the cable from the negative (-) auxiliary battery terminal.(forNavigation System (for Single Knob Type), Audio and Visual System (for Single KnobType))
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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)
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.
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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.
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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. PRECAUTION
NOTICE:
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
Click here
2. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM
Click here
3. DISCHARGE FUEL SYSTEM PRESSURE
Click here
4. REMOVE DECK BOARD ASSEMBLY
Click here
5. REMOVE SPARE WHEEL CUSHION
Click here
6. DISCONNECT CABLE TO NEGATIVE BATTERY TERMINAL
Click here
7. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD
8. REMOVE FRONT WHEELS
Click here
9. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY
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(a) Remove the 4 bolts, 9 clips and No. 1 engine under cover assembly from the vehicle. |
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10. REMOVE FRONT FENDER SPLASH SHIELD SUB-ASSEMBLY LH (w/ Engine Under Cover Air Guide)
(a) As shown in the illustration, pull the front bumper assembly horizontally to release the claw and disengage the front fender liner retainer.
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Remove in this Direction |
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(b) Remove the 2 clips and 3 screws. |
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(c) Remove the 2 grommets and 6 screws. |
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(d) Remove the 9 clips and front fender splash shield sub-assembly LH. |
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11. REMOVE FRONT FENDER SPLASH SHIELD SUB-ASSEMBLY RH (w/ Engine Under Cover Air Guide)
Click here
12. REMOVE FRONT BUMPER ASSEMBLY (w/ Engine Under Cover Air Guide)
Click here
13. DRAIN WASHER FLUID (w/ Engine Under Cover Air Guide)
Click here
14. REMOVE INLET HOSE (w/ Engine Under Cover Air Guide)
(a) Remove the clip.
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Remove in this Direction |
(b) Remove the inlet hose as shown in the illustration.
15. REMOVE WINDSHIELD WASHER JAR ASSEMBLY (w/ Engine Under Cover Air Guide)
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(a) Disconnect the connector. |
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(b) Disengage the clamp and 3 guides.
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(c) Disconnect the washer hose. |
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(d) Disconnect the connector. |
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(e) Disengage the 2 clamps.
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(f) Remove the screw. |
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(g) Remove the 3 bolts and windshield washer jar assembly.
16. REMOVE NO. 2 ENGINE UNDER COVER AIR GUIDE (w/ Engine Under Cover Air Guide)
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(a) Remove the 2 screws and No. 2 engine under cover air guide. |
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17. REMOVE NO. 3 ENGINE UNDER COVER AIR GUIDE (w/ Engine Under Cover Air Guide)
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(a) Remove the bolt. |
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(b) Remove the 2 screws and No. 3 engine under cover air guide. |
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18. REMOVE REAR ENGINE UNDER COVER LH
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(a) w/o Engine Under Cover Air Guide: (1) Remove the 3 clips. |
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(b) w/ Engine Under Cover Air Guide: (1) Remove the 2 clips. |
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(c) Remove the screw. |
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(d) Remove the 2 clips and rear engine under cover LH from the vehicle.
19. REMOVE REAR ENGINE UNDER COVER RH
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(a) w/o Engine Under Cover Air Guide: (1) Remove the 3 clips. |
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(b) w/ Engine Under Cover Air Guide: (1) Remove the 2 clips. |
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(c) Remove the screw. |
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(d) Remove the 2 clips and rear engine under cover RH from the vehicle.
20. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
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(a) Disengage the 4 clips and remove the No. 1 engine cover sub-assembly. NOTICE: Attempting to disengage both front and rear clips at the same time may cause the No. 1 engine cover sub-assembly to break. |
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21. DRAIN ENGINE OIL
Click here
22. DRAIN ENGINE COOLANT
Click here
23. DRAIN MANUAL TRANSAXLE OIL
Click here
24. REMOVE RADIATOR SUPPORT OPENING COVER
Click here
25. REMOVE NO. 1 AIR CLEANER INLET
Click here
26. REMOVE AIR CLEANER WITH AIR CLEANER HOSE
Click here
27. REMOVE AIR CLEANER BRACKET
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(a) Remove the 2 bolts and air cleaner bracket from the vehicle. |
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28. REMOVE NO. 1 RELAY BLOCK COVER
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(a) Disengage the 3 claws and remove the No. 1 relay block cover from the engine room relay block. |
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29. REMOVE COVER RELAY BLOCK UPR
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(a) Remove the cover relay block upr . |
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30. DISCONNECT ENGINE WIRE
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(a) Remove the nut. |
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(b) Remove the nut. |
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(c) Disconnect the 3 connectors from the engine room relay block.
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(d) Remove the 2 bolts to separate the engine wire from the vehicle. |
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(e) Disengage the 2 clamps. |
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31. DISCONNECT NO. 1 RADIATOR HOSE
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(a) Slide the clip and disconnect the No. 1 radiator hose from the water outlet. |
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32. DISCONNECT NO. 2 RADIATOR HOSE
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(a) Slide the clip and disconnect the No. 2 radiator hose from the water inlet with thermostat sub-assembly. |
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33. REMOVE NO. 2 AIR TUBE
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(a) Loosen the 2 hose clamps. |
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(b) Remove the bolt and No. 2 air tube.
34. REMOVE ECM
Click here
35. DISCONNECT TRANSMISSION CONTROL CABLE ASSEMBLY
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(a) Remove the 2 clips (A) to disconnect the transmission control cable assembly from the manual transaxle assembly. |
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(b) Remove the 2 clips (B) to disconnect the transmission control cable assembly from control cable bracket assembly.
36. DISCONNECT CHECK VALVE TO CONNECTOR TUBE HOSE
Click here
37. DISCONNECT NO. 1 WATER BY-PASS HOSE
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(a) Slide the clip and disconnect the No. 1 water by-pass hose from the No. 4 water by-pass pipe. |
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(b) Disengage the clamp.
38. DISCONNECT NO. 2 WATER BY-PASS HOSE
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(a) Slide the clip and disconnect the No. 2 water by-pass hose from the No. 4 water by-pass pipe. |
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39. DISCONNECT NO. 1 FUEL VAPOR FEED HOSE
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(a) Slide the clip and disconnect the No. 1 fuel vapor feed hose from the fuel tank to canister tube. |
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40. DISCONNECT INLET HEATER WATER HOSE
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(a) Using pliers, grip the claws of the clip and slide the clip to disconnect the inlet heater water hose. |
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41. DISCONNECT NO. 3 WATER BY-PASS HOSE ASSEMBLY
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(a) Using pliers, grip the claws of the clip and slide the clip to disconnect the No. 3 water by-pass hose assembly. |
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42. DISCONNECT FUEL TUBE SUB-ASSEMBLY
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(a) Remove the No. 1 fuel pipe clamp from the fuel tube sub-assembly. |
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(b) Disconnect the fuel tube sub-assembly from the fuel pipe. Click here
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43. DISCONNECT SUCTION HOSE SUB-ASSEMBLY
Click here
44. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY
Click here
45. SECURE STEERING WHEEL ASSEMBLY
Click here
46. REMOVE COLUMN HOLE COVER SILENCER SHEET
Click here
47. DISCONNECT NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY
Click here
48. REMOVE PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY
Click here
49. REMOVE FRONT DRIVE SHAFT ASSEMBLY
Click here
50. REMOVE REAR SIDE RAIL REINFORCEMENT SUB-ASSEMBLY LH
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(a) Remove the 4 bolts and rear side rail reinforcement sub-assembly LH from the front suspension crossmember sub-assembly and vehicle body. |
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51. REMOVE REAR SIDE RAIL REINFORCEMENT SUB-ASSEMBLY RH
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(a) Remove the 6 bolts and rear side rail reinforcement sub-assembly RH from the front suspension crossmember sub-assembly and vehicle body. |
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52. REMOVE NO. 1 AIR TUBE
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(a) Lossen the 2 hose clamps and remove the No. 1 air tube. |
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53. DISCONNECT NO. 1 CLUTCH HOSE
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(a) Using a 10 mm union nut wrench, disconnect the bleeder clutch release tube from the No. 1 clutch hose. |
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(b) Remove the clip and disconnect the No. 1 clutch hose from the clutch flexible hose bracket.
54. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE
(a) Set the engine assembly with transaxle on an engine lifter.
NOTICE:
- Using height adjustment attachments and plate lift attachments, keep the engine assembly with transaxle and front suspension crossmember sub-assembly level.
- Do not perform any procedures while the engine assembly is suspended because doing so may cause the engine assembly to drop, resulting in injury. However, the engine assembly needs to be suspended when it is installed to or removed from an engine stand.
- To prevent the engine assembly from unexpectedly moving, securely support the engine assembly until it is secured to an engine stand.
- To prevent the No.2 oil pan sub-assembly from deforming, do not place any attachments under the No.2 oil pan sub-assembly of the engine assembly with transaxle.
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Attachments |
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(b) Remove the 3 bolts and separate the engine mounting insulator sub-assembly RH from the engine mounting bracket RH. |
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(c) Remove the 4 bolts and separate the engine mounting insulator LH from the transaxle assembly. |
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(d) Remove the 4 bolts to separate the front suspension crossmember sub-assembly from the vehicle. |
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(e) Operate the engine lifter and remove the engine assembly with transaxle from the vehicle.
NOTICE:
- Make sure that the engine assembly with transaxle is clear of all wiring and hoses.
- While lowering the engine assembly with transaxle from the vehicle, do not allow it to contact the vehicle.
55. INSTALL ENGINE HANGERS
(a) Install the No. 1 engine hanger and No. 2 engine hanger with the 4 bolts as shown in the illustration.
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*1 |
No. 1 Engine Hanger |
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*2 |
No. 2 Engine Hanger |
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Bolt |
Torque:
43 N·m {438 kgf·cm, 32 ft·lbf}
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No. 1 Engine Hanger |
12281-25030 12281-25040 |
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No. 2 Engine Hanger |
12282-18010 12282-18020 |
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Bolt |
91552-F1045 91552-F1060 |
(b) Using an engine sling device and engine lift, secure the engine assembly with transaxle.
NOTICE:
- Pay attention to the angle of the sling device as the engine assembly or No. 1 engine hanger and No. 2 engine hanger may be damaged or deformed if the angle is incorrect.
- Do not perform any procedures while the engine assembly is suspended because doing so may cause the engine assembly to drop, resulting in injury. However, the engine assembly needs to be suspended when it is installed to or removed from an engine stand.
56. REMOVE ENGINE MOUNTING INSULATOR LH
HINT:
Perform this procedure only when replacement of the engine mounting insulator LH is necessary.
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(a) Disengage the clamp from the engine mounting insulator LH. |
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(b) Remove the 4 bolts, nut and engine mounting insulator LH from the vehicle. |
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57. REMOVE RESERVE TANK ASSEMBLY
HINT:
Perform this procedure only when replacement of the engine mounting insulator sub-assembly RH is necessary.
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(a) Slide the clip and remove the No. 3 water by-pass hose from the reserve tank assembly. |
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(b) Remove the bolt and reserve tank assembly from the vehicle.
58. REMOVE ENGINE MOUNTING INSULATOR SUB-ASSEMBLY RH
HINT:
Perform this procedure only when replacement of the engine mounting insulator sub-assembly RH is necessary.
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(a) Disengage the clamp and disconnect the air conditioner tube. |
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(b) Remove the 2 bolts, nut and engine mounting insulator sub-assembly RH from the vehicle. |
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59. REMOVE NO. 1 FUEL VAPOR FEED HOSE
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(a) Disengage the 2 clamps from the engine assembly with transaxle. |
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(b) Slide the clip and remove the No. 1 fuel vapor feed hose from the purge valve (purge VSV).
60. REMOVE FLYWHEEL HOUSING SIDE COVER
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(a) Remove the flywheel housing side cover from the cylinder block sub-assembly. |
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61. REMOVE STARTER ASSEMBLY
Click here
62. REMOVE FLYWHEEL HOUSING UNDER COVER
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(a) Remove the flywheel housing under cover from the cylinder block sub-assembly. |
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63. REMOVE FAN AND GENERATOR V BELT
Click here
64. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY
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(a) Remove the 2 bolts and V-ribbed belt tensioner assembly from the timing chain cover assembly. |
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65. REMOVE GENERATOR ASSEMBLY
Click here
66. REMOVE ENGINE WIRE
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(a) Remove the 4 bolts. |
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(b) Remove the 4 bolts. |
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(c) Remove the 2 bolts. |
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(d) Disconnect all the clamps and connectors and remove the engine wire from the engine assembly with transaxle.
67. REMOVE EXHAUST MANIFOLD CONVERTER SUB-ASSEMBLY
Click here
68. REMOVE PROPELLER SHAFT HEAT INSULATOR
Click here
69. REMOVE MANUAL TRANSAXLE ASSEMBLY
Click here
70. REMOVE COVER AND DISC CLUTCH SET
Click here
71. REMOVE FLYWHEEL SUB-ASSEMBLY
Click here
72. REMOVE NO. 1 CRANKSHAFT POSITION SENSOR PLATE
Click here
73. INSTALL ENGINE ASSEMBLY TO ENGINE STAND
(a) Install the engine assembly to an engine stand.
74. REMOVE ENGINE HANGERS
(a) Remove the 4 bolts, No. 1 engine hanger and No. 2 engine hanger.
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