Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000025TDN
Model Year Start: 2023 Model: Corolla Hatchback Prod Date Range: [09/2022 - 11/2022]
Title: PA10 (HYBRID TRANSMISSION / TRANSAXLE): HYBRID VEHICLE TRANSAXLE: REMOVAL; 2023 MY Corolla Corolla Hatchback 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 hybrid vehicle transaxle 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

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 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 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

Replacement of hybrid vehicle transaxle assembly

  • Resolver learning
  • Initialize resolver
  • 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

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

CAUTION:

  • Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair manual.

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

  • To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.
  • To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
  • The engine assembly with transaxle is very heavy. Be sure to follow the procedure described in the repair manual, or the engine lifter may suddenly drop or the engine assembly with transaxle may fall off the engine lifter.

    *a

    An Object Exceeding Weight Limit of Engine Lifter

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. PERFORM RESOLVER INITIALIZATION

NOTICE:

If it is necessary to replace the hybrid vehicle transaxle assembly, make sure to perform resolver initialization before starting work.

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

2. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE

Click here 2023 MY Corolla Corolla HV [09/2022 - 11/2022]; 2ZR-FXE (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL

3. REMOVE WIRE HARNESS CLAMP BRACKET

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

4. INSTALL ENGINE HANGERS

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

5. DISCONNECT ENGINE WIRE

(a) Disconnect the motor resolver, generator resolver and transmission fluid temperature sensor connector.

*a

Motor Resolver, Generator Resolver and Transmission Fluid Temperature Sensor Connector

*b

Shift Lever Position Sensor Connector

*c

Motor Temperature Sensor and Generator Temperature Sensor Connector

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(b) Disconnect the shift lever position sensor connector.

NOTICE:

After disconnecting the engine wire, cover the connector of the shift lever position sensor with tape (non-residue type) or equivalent to prevent the entry of foreign matter or water.

(c) Disconnect the motor temperature sensor and generator temperature sensor connector.

(d) Remove the bolt.

(e) Disengage the 6 clamps to disconnect the engine wire.

6. REMOVE STARTER HOLE INSULATOR

(a) Remove the 2 bolts and starter hole insulator from the engine assembly.

7. REMOVE FLYWHEEL HOUSING SIDE COVER

(a) Remove the flywheel housing side cover from the engine assembly.

8. REMOVE ENGINE ASSEMBLY

(a) Remove the 7 bolts and engine assembly from the hybrid vehicle transaxle assembly.

NOTICE:

  • To avoid damaging the knock pins, do not pry between the hybrid vehicle transaxle assembly and engine assembly.
  • To prevent the splines of the transmission input damper assembly from becoming misaligned, do not allow the hybrid vehicle transaxle assembly to hit the transmission input damper assembly during engine assembly removal and installation.

9. REMOVE FRONT SUSPENSION CROSSMEMBER SUB-ASSEMBLY

(a) Remove the bolt and front suspension crossmember sub-assembly from the No. 2 engine moving control rod.

10. REMOVE NO. 2 ENGINE MOVING CONTROL ROD

(a) Remove the 5 bolts and No. 2 engine moving control rod from the hybrid vehicle transaxle assembly.

11. REMOVE MOTOR CABLE

Click here 2023 MY Corolla Corolla Hatchback Corolla HV [09/2022 - 11/2022]; PA10 (HYBRID TRANSMISSION / TRANSAXLE): MOTOR CABLE: REMOVAL+

12. REMOVE NO. 1 TRANSMISSION CONTROL CABLE BRACKET

(a) Remove the 2 bolts and No. 1 transmission control cable bracket from the hybrid vehicle transaxle assembly.

13. REMOVE WIRE HARNESS CLAMP BRACKET

(a) Remove the 5 bolts and 5 wire harness clamp brackets from the hybrid vehicle transaxle assembly.

14. REMOVE TRANSAXLE HOUSING PLUG

(a) Remove the transaxle housing plug and gasket from the hybrid vehicle transaxle assembly.

15. REMOVE STUD BOLT

(a) Using an E10 "TORX" socket wrench, remove the 2 stud bolts from the hybrid vehicle transaxle assembly.

16. REMOVE TRANSAXLE BREATHER PLUG

HINT:

Perform this procedure only when replacement of the transaxle breather plug is necessary.

(a) Remove the transaxle breather plug from the hybrid vehicle transaxle assembly.