M20A-FKS (ENGINE MECHANICAL): REAR CRANKSHAFT OIL SEAL: REMOVAL; 2023 - 2025 MY Corolla Corolla Hatchback [03/2023

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 Procedures 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: w/o Smart Key System

*3: w/ Smart Key System

*4: If matchmarks were not placed when removing parts related to steering operation, perform end position initial setting.

*5: If transaxle compensation code read from ECM

*6: If transaxle compensation code not read from ECM

Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

for K121

ECU configuration

Update ECU security key

Vehicle Control History (RoB) are stored

ECU communication ID registration (Immobiliser system)

Engine start function

Replacement of ECM*3

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

Replacement of ECM*2

Code registration (Immobiliser system)

Engine start
Telematics System

Replacement of engine assembly
Gas leak from exhaust system is repaired

Inspection After Repair

Poor idle, etc.
Engine start function, etc.

Replacement of continuously variable transaxle assembly

for K120

Input transaxle compensation code into TCM
Perform reset memory
CVT oil pressure calibration
Perform road test to allow TCM to learn

Large shift shock
Deterioration of fuel efficiency

Initialization:

Registration:

for K121

Input transaxle compensation code into ECM
Perform reset memory
CVT oil pressure calibration
Perform road test to allow ECM to learn

Large shift shock
Deterioration of fuel efficiency

Initialization:

Registration:

Replacement of ECM

for K120

Perform reset memory
CVT oil pressure calibration
Perform road test to allow TCM to learn

Large shift shock
Deterioration of fuel efficiency

Initialization:

Registration:

for K121

Transfer transaxle compensation code*5
Reset transaxle compensation code*6
CVT oil pressure calibration
Perform road test to allow ECM to learn

Large shift shock
Deterioration of fuel efficiency

Initialization:

Registration:

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

w/ Electric Parking Brake System:

w/o Electric Parking Brake System:

CVT fluid

ATF thermal degradation estimate reset

The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly

for K120:

for K121:

Steering gear assembly*4
No. 2 steering intermediate shaft assembly*4

for TMC Made

End position initial setting

HINT:

When the cable is disconnected / reconnected to the 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 Procedure not Performed

Necessary Procedure

Link

Front Camera System

Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.

Learning completes when vehicle is operated normally

Effect/Inoperative Function when Necessary Procedure not Performed

Necessary Procedure

Link

*1: for Hatchback

Power Door Lock Control System

Back door opener*1

Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.

PROCEDURE

(a) Using height adjustment attachments and plate lift attachments, place the engine assembly on a flat level surface.

NOTICE:

Using height adjustment attachments and plate lift attachments, keep the engine assembly level.
To prevent the oil pan sub-assembly from deforming, do not place any attachments under the oil pan sub-assembly of the engine assembly.
Using an engine sling device and engine lift, secure the engine assembly before servicing.

Do not damage the surface of the rear engine oil seal press fit hole or the crankshaft.