Q810 (HYBRID TRANSMISSION / TRANSAXLE): MOTOR CABLE: REMOVAL; 2023 MY Corolla Corolla HV [09/2022

Last Modified: 07-31-2024	6.11:8.1.0	Doc ID: RM1000000025SQH
Model Year Start: 2023	Model: Corolla	Prod Date Range: [09/2022 - 11/2022]
Title: Q810 (HYBRID TRANSMISSION / TRANSAXLE): MOTOR CABLE: 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 rear traction 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
Replacement of rear traction motor with 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
Rear wheel alignment adjustment	Perform "Reset Memory" 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
Gas leak from exhaust system is repaired	Inspection after repair	Poor idle, etc. Engine start function, etc.

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	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.

PROCEDURE

1. REMOVE REAR TRACTION MOTOR WITH TRANSAXLE ASSEMBLY

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2. REMOVE FRONT DIFFERENTIAL SUPPORT ASSEMBLY

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3. REMOVE REAR TRACTION MOTOR CABLE

CAUTION:

Be sure to wear insulated gloves.

(a) Disengage the 3 clamps to disconnect the rear traction motor cable from the rear traction motor with transaxle assembly.

(b) Remove the 3 bolts to disconnect the rear traction motor cable from the connector cover and rear traction motor with transaxle assembly.

(c) Remove the 2 bolts, connector cover and connector cover bracket from the rear traction motor with transaxle assembly.

*1	Connector Cover
*2	Connector Cover Bracket

(d) Disengage the 2 claws to remove the motor cable terminal cap from the rear traction motor with transaxle assembly.

(e) Using an insulated tool, remove the 3 bolts and rear traction motor cable from the rear traction motor with transaxle assembly.

NOTICE:

Keep the rear traction motor cable terminals and their installation area free from foreign matter, water, etc.
Do not touch the waterproof seal or terminals of the rear traction motor cable.
After removing the rear traction motor cable, cover the opening of the rear traction motor with transaxle assembly with tape (non-residue type) or equivalent to prevent entry of foreign matter and water.

*a	Waterproof Seal