Last Modified: 08-23-2025 6.11:8.1.0 Doc ID: RM1000000025XKA
Model Year Start: 2023 Model: Corolla Prod Date Range: [09/2022 -           ]
Title: POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for HV Model): Abnormal Feel at Steering End Position; 2023 - 2026 MY Corolla Corolla HV [09/2022 -        ]

Abnormal Feel at Steering End Position

SYSTEM DESCRIPTION

This vehicle employs end position contact shock reduction control for column EPS, designed to protect components by suppressing torque input when steering mechanism components reach their end position, and contributing to a feeling enhanced steering quality through reduction of the steering end position contact sound.

CAUTION / NOTICE / HINT

NOTICE:

  • If components related to the steering gear are replaced without first disconnecting the cable from the negative auxiliary battery terminal, the learned value of the steering end position stored in the vehicle may deviate from the actual steering end position, affecting steering feel.
  • In the following situations, perform end position learning:
    • When components related to the steering gear have been replaced.

PROCEDURE

1.

CLEAR STEERING END POSITION INFORMATION

NOTICE:

When components related to the steering gear have been replaced, perform end position learning.

(a) Center the steering wheel and set the front tires in the straight-ahead position.

(b) Clear the end position learning value.

(1) When using the GTS:

  1. Follow the instructions on the GTS screen to clear the end position learning value.

Chassis > EMPS > Utility

Tester Display

End Position Learning Value Clear

(2) When not using the GTS:

  1. Turn the ignition switch to ON.
  2. Disconnect the cable from the negative (-) auxiliary battery terminal and wait for at least 40 seconds.

    Click here 2023 MY Corolla Corolla HV [09/2022 - 11/2022]; MAINTENANCE: 2ZR-FXE AUXILIARY BATTERY: REMOVAL+ 2023 - 2026 MY Corolla Corolla HV [11/2022 -        ]; MAINTENANCE: 2ZR-FXE AUXILIARY BATTERY: REMOVAL+

  3. Connect the cable to the negative auxiliary battery terminal.

    Click here 2023 - 2026 MY Corolla Corolla HV [09/2022 -        ]; MAINTENANCE: 2ZR-FXE AUXILIARY BATTERY: INSTALLATION+

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