Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM10000000270E4
Model Year Start: 2023 Model: Corolla Hatchback Prod Date Range: [09/2022 - 11/2022]
Title: K120 / K121 (CVT): REVOLUTION SENSOR (NC1 SENSOR): REMOVAL; 2023 MY Corolla Corolla Hatchback [09/2022 - 11/2022]

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed, installed, or replaced during transmission revolution sensor (NC1) removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replacement Part or Procedure

Necessary Procedure

Effect/Inoperative when not Performed

Link
*: It is only necessary TMMMS Made Models

Replacement of CVT fluid

ATF thermal degradation estimate reset

The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly

2023 MY Corolla Corolla Hatchback [09/2022 - 11/2022]; K120 / K121 (CVT): K120 CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM: INITIALIZATION

Replacement of transmission valve body assembly
  • Reset transaxle compensation code
  • Perform reset memory
  • Deceleration sensor zero point calibration*
  • CVT oil pressure calibration
  • Perform road test to allow TCM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

2023 MY Corolla Corolla Hatchback [09/2022 - 11/2022]; K120 / K121 (CVT): K120 CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM: INITIALIZATION for Initialization

2019 - 2025 MY Corolla Corolla Hatchback [06/2018 -        ]; K120 / K121 (CVT): K120 CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM: REGISTRATION for Registration

PROCEDURE

1. REMOVE TRANSMISSION VALVE BODY ASSEMBLY

Click here 2023 MY Corolla Corolla Hatchback [09/2022 - 11/2022]; K120 / K121 (CVT): K120 VALVE BODY ASSEMBLY: REMOVAL

2. REMOVE TRANSMISSION REVOLUTION SENSOR (NC1)

(a) Disconnect the transmission revolution sensor (NC1) connector.

(b) Remove the bolt and transmission revolution sensor (NC1) from the transaxle case sub-assembly.