Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001O28Z
Model Year Start: 2021 Model: Corolla Prod Date Range: [04/2020 - 09/2022]
Title: P610 (HYBRID TRANSMISSION / TRANSAXLE): MOTOR CABLE: REMOVAL; 2021 - 2022 MY Corolla Corolla HV [04/2020 - 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 motor cable 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

Auxiliary battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Control System (for HV Model)

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; PRE-COLLISION: PRE-COLLISION SYSTEM (for HV Model): INITIALIZATION

Pre-collision System (for HV Model)

Replacement of ECM

Vehicle Identification Number (VIN) or frame number registration

MIL comes on

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

Replacement of inverter with converter assembly

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

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY): UTILITY for Nickel Metal Hydride Battery

2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for LITHIUM-ION BATTERY with P610): UTILITY for Lithium-ion Battery

CAUTION:

  • This vehicle has contains high voltage circuits standardized with orange colored wiring and connectors, so follow the instructions in this manual to perform the procedures correctly.

    for NICKEL METAL HYDRIDE BATTERY:

    Click here 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY): PRECAUTION

    for LITHIUM-ION BATTERY:

    Click here 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY with P610): PRECAUTION

  • If the correct procedures are not followed according to the instructions in this manual, there is a danger of electric shock from the high voltage circuits.
  • Be sure to wear insulating gloves when working on high voltage wiring or components.
  • If work is performed without wearing insulating gloves, there is a danger of electric shock.

NOTICE:

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

PROCEDURE

1. REMOVE INVERTER WITH CONVERTER ASSEMBLY

Click here 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; HYBRID / BATTERY CONTROL: INVERTER WITH CONVERTER: REMOVAL

2. REMOVE MOTOR CABLE

CAUTION:

Be sure to wear insulated gloves.

(a) Remove the 2 bolts and connector cover from the hybrid vehicle transaxle assembly.

(b) Disengage the 2 claws to remove the terminal cap from the hybrid vehicle transaxle assembly.

(c) Using an insulated tool, remove the 6 bolts and motor cable from the hybrid vehicle transaxle assembly.

NOTICE:

  • Keep the motor cable terminals and their installation area free from foreign matter, water, etc.
  • Do not touch the waterproof seal or terminals of the motor cable.
  • Cover the hole where the motor cable was installed with tape or equivalent (non-residue type) to prevent entry of foreign matter.

*a

Waterproof Seal