PA10 (HYBRID TRANSMISSION / TRANSAXLE): MOTOR CABLE: REMOVAL; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV [11/2022

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

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Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

ECU configuration

Update ECU security key

Vehicle Control History (RoB) are stored

Replacement of inverter with converter assembly

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

CAUTION:

Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair manual.
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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 pipe or other high temperature components while the engine is hot.

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

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Front Camera System

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

PROCEDURE

1. REMOVE INVERTER WITH CONVERTER ASSEMBLY

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2023 - 2025 MY Corolla Corolla HV [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 terminal cap 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 of the terminal cap or terminals of the motor cable.

*a	Waterproof Seal

(b) 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.
After removing the motor cable, cover the opening of the hybrid vehicle transaxle assembly with tape (non-residue type) or equivalent to prevent entry of foreign matter and water.

*a	Waterproof Seal