Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001HSCI
Model Year Start: 2020 Model: Corolla Prod Date Range: [03/2019 - 09/2022]
Title: 2ZR-FAE (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL; 2020 - 2022 MY Corolla [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 engine unit 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/ Smart Key System

*2: w/o Smart Key System

Battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Control System

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; PRE-COLLISION: PRE-COLLISION SYSTEM (for Gasoline Model): INITIALIZATION

Pre-collision System

Lighting System (w/ AFS)(EXT)

Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (ENGINE CONTROL): SFI SYSTEM: REGISTRATION

ECU communication ID registration (Immobiliser system)

Engine start function

2020 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION 2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 04/2020]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION 2021 - 2022 MY Corolla Corolla Hatchback GR Corolla [04/2020 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

  1. Reset memory
  2. Deceleration sensor zero point calibration
  3. CVT oil pressure calibration
  • Large shift shock
  • Deterioration of fuel efficiency

2020 - 2023 MY Corolla Corolla Hatchback [01/2019 - 11/2022]; K313 (CVT): CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM: INITIALIZATION

Replacement of ECM*1

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

2020 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION 2020 MY Corolla Corolla Hatchback GR Corolla [09/2019 - 04/2020]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION 2021 - 2022 MY Corolla Corolla Hatchback GR Corolla [04/2020 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

Replacement of ECM*2

Code registration (Immobiliser system)

Engine start

2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 09/2019]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): REGISTRATION 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2019 - 04/2020]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): REGISTRATION 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): REGISTRATION

  • Replacement of throttle body assembly
  • Replacement of engine assembly
  • Replacement of cylinder head sub-assembly
  • Replacement of camshaft timing gear assembly
  • Replacement of camshaft timing exhaust gear assembly
  • Replacement of fuel injector assembly
  • Replacement of spark plug
  • Replacement of ignition coil assembly
  • Gas leak from exhaust system is repaired
  • Replacement of knock control sensor
  • Replacement of engine coolant temperature sensor
  • Replacement of continuously variable valve lift controller assembly

Inspection After Repair
  • Poor idle, etc.
  • Engine start function, etc.

2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

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)

2019 - 2021 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 06/2021]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with AFS): INITIALIZATION 2022 MY Corolla Corolla Hatchback GR Corolla [06/2021 - 09/2022]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with AFS): INITIALIZATION

Front wheel alignment adjustment
  1. Perform "Reset Memory".
  2. 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: 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): UTILITY

w/o Electric Parking Brake System: 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [03/2019 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model without Electric Parking Brake System): UTILITY

CVT fluid

ATF thermal degradation estimate reset

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

2020 - 2023 MY Corolla Corolla Hatchback [01/2019 - 11/2022]; K313 (CVT): CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM: INITIALIZATION for K313

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))

PROCEDURE

1. REMOVE THROTTLE BODY ASSEMBLY

Click here 2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (ENGINE CONTROL): THROTTLE BODY: REMOVAL+

2. REMOVE INTAKE MANIFOLD

Click here 2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL+

3. REMOVE PURGE VALVE (PURGE VSV)

*A

w/ Canister Pump Module

*B

w/o Canister Pump Module

(a) Remove the 2 bolts and purge valve (purge VSV) from the cylinder head cover sub-assembly.

4. DISCONNECT FUEL TUBE SUB-ASSEMBLY

Click here 2020 - 2022 MY Corolla [03/2019 - 09/2022]; 2ZR-FAE (FUEL): FUEL INJECTOR: REMOVAL+

5. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY

Click here 2020 - 2022 MY Corolla [03/2019 - 09/2022]; 2ZR-FAE (FUEL): FUEL INJECTOR: REMOVAL+

6. REMOVE NO. 1 DELIVERY PIPE SPACER

Click here 2020 - 2022 MY Corolla [03/2019 - 09/2022]; 2ZR-FAE (FUEL): FUEL INJECTOR: REMOVAL+

7. REMOVE FUEL INJECTOR ASSEMBLY

Click here 2020 - 2022 MY Corolla [03/2019 - 09/2022]; 2ZR-FAE (FUEL): FUEL INJECTOR: REMOVAL+

8. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE

(a) Remove the engine oil level dipstick.

(b) Remove the bolt and engine oil level dipstick guide.

(c) Remove the O-ring from the engine oil level dipstick guide.

9. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR

Click here 2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (INTAKE / EXHAUST): EXHAUST MANIFOLD: REMOVAL+

10. REMOVE DRIVE SHAFT HEAT INSULATOR SUB-ASSEMBLY

Click here 2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (INTAKE / EXHAUST): EXHAUST MANIFOLD: REMOVAL+

11. REMOVE MANIFOLD STAY

Click here 2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (INTAKE / EXHAUST): EXHAUST MANIFOLD: REMOVAL+

12. REMOVE EXHAUST MANIFOLD

Click here 2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (INTAKE / EXHAUST): EXHAUST MANIFOLD: REMOVAL+

13. REMOVE VENTILATION HOSE

Click here 2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (EMISSION CONTROL): PCV VALVE: REMOVAL+

14. DISCONNECT NO. 3 WATER BY-PASS HOSE

(a) Slide the clip and disconnect the No. 3 water by-pass hose from the water inlet housing

15. REMOVE NO. 1 WATER BY-PASS PIPE

(a) Remove the 2 bolts and No. 1 water by-pass pipe.

*A

for CVT

*B

for Manual Transaxle

16. REMOVE WATER BY-PASS HOSE

(a) Slide the clip and remove the water by-pass hose from the cylinder head sub-assembly.

17. REMOVE WATER INLET HOSE

(a) Slide the 2 clips and remove the water inlet hose.

18. SEPARATE WATER INLET

Click here 2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (COOLING): THERMOSTAT: REMOVAL+

19. REMOVE THERMOSTAT

Click here 2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (COOLING): THERMOSTAT: REMOVAL+

20. REMOVE VACUUM PUMP ASSEMBLY

  • for TMC Made:

    Click here 2020 - 2022 MY Corolla [03/2019 - 09/2022]; BRAKE SYSTEM (OTHER): VACUUM PUMP (for TMC Made 2ZR-FAE): REMOVAL+

  • for TMMMS Made:

    Click here 2020 - 2022 MY Corolla [03/2019 - 09/2022]; BRAKE SYSTEM (OTHER): VACUUM PUMP (for TMMMS Made 2ZR-FAE): REMOVAL+

21. REMOVE NO. 1 VACUUM PUMP BRACKET

(a) Remove the 2 bolts, No. 1 vacuum pump bracket and gasket.

22. REMOVE NO. 2 GENERATOR BRACKET

(a) Remove the bolt and No. 2 generator bracket from the cylinder head sub-assembly.

23. REMOVE V-RIBBED BELT TENSIONER ASSEMBLY

NOTICE:

Do not supply oil to the tensioner when an abnormal noise of the belt occurs.

(a) Remove the 2 bolts and V-ribbed belt tensioner assembly from the engine assembly.

24. REMOVE WIRE HARNESS CLAMP BRACKET

(a) Remove the bolt and wire harness clamp bracket from the cylinder head cover sub-assembly.

25. REMOVE IGNITION COIL ASSEMBLY

Click here 2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (ENGINE CONTROL): IGNITION COIL AND SPARK PLUG: REMOVAL+

26. REMOVE ENGINE OIL TEMPERATURE SENSOR

Click here 2020 - 2023 MY Corolla [01/2019 - 11/2022]; 2ZR-FAE (ENGINE CONTROL): ENGINE OIL TEMPERATURE SENSOR: REMOVAL+