Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM10000000267JO
Model Year Start: 2023 Model: Corolla Prod Date Range: [09/2022 - 11/2022]
Title: 2ZR-FXE (ENGINE MECHANICAL): ENGINE UNIT: REMOVAL; 2023 MY Corolla Corolla HV [09/2022 - 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 unit removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Replacement of inverter with converter assembly

ECU configuration

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2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; SETUP: WHEN REPLACING OR REMOVING/INSTALLING PARTS: ECU CONFIGURATION

Resolver learning

  • DTCs are stored
  • Slight vibration at a vehicle speed of 5 km/h (3 mph) or less
  • Shock or vibration during acceleration

2023 - 2025 MY Corolla HV [09/2022 -        ]; HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for LITHIUM-ION BATTERY with PA10): UTILITY

Replacement of hybrid vehicle transaxle assembly

  • Resolver learning
  • Initialize resolver

Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]; 2ZR-FXE (ENGINE CONTROL): SFI SYSTEM: REGISTRATION

ECU configuration

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2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; SETUP: WHEN REPLACING OR REMOVING/INSTALLING PARTS: ECU CONFIGURATION

Update ECU security key

Vehicle Control History (RoB) are stored

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; SETUP: WHEN REPLACING OR REMOVING/INSTALLING PARTS: UPDATE ECU SECURITY KEY

  • Replacement of throttle body assembly
  • Replacement of engine assembly
  • Replacement of cylinder head sub-assembly
  • Replacement of camshaft (for intake or exhaust camshaft)
  • Replacement of camshaft timing gear assembly
  • Replacement of fuel injector assembly
  • Replacement of spark plug
  • Replacement of ignition coil assembly
  • Replacement of EGR valve assembly
  • Gas leak from exhaust system is repaired
  • Replacement of knock control sensor

Inspection After Repair

  • Poor idle, etc.
  • Engine start function, etc.

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

Front wheel alignment adjustment

  1. Perform "Reset Memory"
  2. Perform "Calibration"
  • DTCs are stored
  • ABS warning light illuminates
  • Brake system warning light (yellow indicator) illuminates
  • Slip indicator light illuminates
  • Electronically controlled brake system disabled or malfunctions

2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): UTILITY

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.

Learning completes when vehicle is driven

Effect/Inoperative Function when Necessary Procedure not Performed

Necessary Procedure

Link

Front Camera System (for TMC Made)

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

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA SYSTEM (for TMC Made): INITIALIZATION

PROCEDURE

1. REMOVE WATER OUTLET

(a) Slide the clip and disconnect the No. 4 water by-pass hose from the EGR valve assembly with EGR cooler.

*1

No. 9 Water By-pass Hose

*2

No. 4 Water By-pass Hose

(b) Slide the clip and disconnect the No. 9 water by-pass hose from the purge valve.

(c) Remove the 2 nuts, water outlet and water outlet gasket from the cylinder head sub-assembly.

2. REMOVE EGR PIPE ASSEMBLY

(a) Remove the 4 bolts and EGR pipe assembly, EGR pipe gasket and inlet EGR gasket.

3. REMOVE EGR VALVE ASSEMBLY WITH EGR COOLER

(a) Remove the bolt and 4 nuts.

*a

Stud Bolt

Bolt

Nut

(b) Using an E8 "TORX" socket wrench, remove the 2 stud bolts and EGR valve assembly with EGR cooler from the cylinder head sub-assembly and exhaust manifold (TWC: Front Catalyst).

(c) Remove the EGR cooler gasket.

4. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (INTAKE / EXHAUST): EXHAUST MANIFOLD: REMOVAL+

5. REMOVE MANIFOLD STAY

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (INTAKE / EXHAUST): EXHAUST MANIFOLD: REMOVAL+

6. REMOVE EXHAUST MANIFOLD (TWC: Front Catalyst)

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (INTAKE / EXHAUST): EXHAUST MANIFOLD: REMOVAL+

7. DISCONNECT VENTILATION HOSE

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL+

8. REMOVE INTAKE MANIFOLD

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL+

9. REMOVE ENGINE OIL LEVEL DIPSTICK

Click here 2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]; 2ZR-FXE (COOLING): THERMOSTAT: REMOVAL+

10. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE

Click here 2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]; 2ZR-FXE (COOLING): THERMOSTAT: REMOVAL+

11. REMOVE WATER BY-PASS PIPE

(a) Slide the clip and disconnect the water by-pass pipe from the water inlet sub-assembly.

(b) Remove the 2 bolts and water by-pass pipe from the cylinder head sub-assembly.

12. REMOVE PURGE VALVE (PURGE VSV)

Click here 2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]; 2ZR-FXE (EMISSION CONTROL): PURGE VALVE: REMOVAL+

13. REMOVE FUEL VAPOR FEED PIPE

(a) Remove the 2 bolts and fuel vapor feed pipe from the cylinder head cover sub-assembly.

14. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY

Click here 2023 MY Corolla Corolla HV [09/2022 - 11/2022]; 2ZR-FXE (FUEL): FUEL INJECTOR: REMOVAL+

15. REMOVE NO. 1 DELIVERY PIPE SPACER

Click here 2023 MY Corolla Corolla HV [09/2022 - 11/2022]; 2ZR-FXE (FUEL): FUEL INJECTOR: REMOVAL+

16. REMOVE FUEL INJECTOR ASSEMBLY

Click here 2023 MY Corolla Corolla HV [09/2022 - 11/2022]; 2ZR-FXE (FUEL): FUEL INJECTOR: REMOVAL+

17. REMOVE VENTILATION HOSE

(a) Slide the clip and remove the ventilation hose from the PCV valve (ventilation valve sub-assembly).

18. REMOVE IGNITION COIL ASSEMBLY

Click here 2023 - 2025 MY Corolla Corolla HV [09/2022 -        ]; 2ZR-FXE (ENGINE CONTROL): IGNITION COIL AND SPARK PLUG: REMOVAL+

19. REMOVE WIRE HARNESS CLAMP BRACKET

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