M20A-FKS (LUBRICATION): OIL PUMP: REMOVAL; 2020 MY Corolla Corolla Hatchback [01/2019

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during oil pump 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: for Hatchback

*2: w/o Smart Key System

*3: w/ Smart Key System

Battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Control System (for Gasoline Model)

Pre-collision System (for Gasoline Model)

Lighting System (w/ AFS)(EXT)

Initialize back door lock*1

Power Door Lock Control System (for Hatchback, Gasoline Model)

Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

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

Replacement of ECM*2

Code registration (Immobiliser system)

Engine start

Replacement of engine assembly
Gas leak from exhaust system is repaired
Replacement of throttle body with motor assembly
Replacement of cam timing control motor with EDU assembly
Removal and installation of a cam timing control motor with EDU assembly
Replacement of camshaft timing gear assembly
Removal and installation of a camshaft timing gear 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
Replacement of knock control sensor
Replacement of air fuel ratio sensor (sensor 2)

Inspection After Repair

Poor idle, etc.
Engine start function, etc.

Replacement of continuously variable transaxle assembly

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

Large shift shock
Deterioration of fuel efficiency

for Initialization

for Registration

Replacement of ECM

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

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)

Front wheel alignment adjustment

Perform "Reset Memory"
Perform acceleration sensor zero point calibration and store system information memorization

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

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 Audio and Visual System (for Gasoline Model))
After the engine switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System)
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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PROCEDURE

1. REMOVE TIMING CHAIN COVER ASSEMBLY

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2020 MY Corolla Corolla Hatchback [01/2019 - 03/2019]; M20A-FKS (ENGINE MECHANICAL): CYLINDER HEAD GASKET: REMOVAL

2. REMOVE OIL PAN SUB-ASSEMBLY

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2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE UNIT: DISASSEMBLY+

3. REMOVE OIL STRAINER SUB-ASSEMBLY

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4. REMOVE OIL PUMP ASSEMBLY

(a) Remove the 3 bolts and oil pump assembly from the stiffening crankcase assembly.