Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM1000000028RAE
Model Year Start: 2023 Model: Corolla Prod Date Range: [11/2022 -           ]
Title: 2ZR-FXE (ENGINE MECHANICAL): REAR CRANKSHAFT OIL SEAL: REMOVAL; 2023 - 2025 MY Corolla Corolla HV [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 rear crankshaft oil seal 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
  • Gas leak from exhaust system is repaired

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

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

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA SYSTEM: INITIALIZATION

PROCEDURE

1. REMOVE ENGINE ASSEMBLY

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV [11/2022 -        ]; PA10 (HYBRID TRANSMISSION / TRANSAXLE): HYBRID VEHICLE TRANSAXLE: REMOVAL

2. REMOVE TRANSMISSION INPUT DAMPER ASSEMBLY

(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 horizontal.
  • 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.

(b) Using SST, hold the crankshaft pulley.

SST: 09213-58014

91551-80840

SST: 09330-00021

(c) Remove the 6 bolts and transmission input damper assembly from the flywheel sub-assembly.

3. REMOVE FLYWHEEL SUB-ASSEMBLY

(a) Using SST, hold the crankshaft pulley.

SST: 09213-58014

91551-80840

SST: 09330-00021

(b) Remove the 8 bolts and flywheel sub-assembly from the crankshaft.

4. REMOVE REAR ENGINE OIL SEAL

(a) Using a knife, cut through the lip of the rear engine oil seal.

*a

Cut Position

*b

Protective Tape

(b) Using a screwdriver with its tip wrapped with protective tape, pry out the rear engine oil seal.

NOTICE:

Be careful not to damage the crankshaft.