Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001HZE2
Model Year Start: 2020 Model: Corolla Hatchback Prod Date Range: [03/2019 - 09/2022]
Title: K120 / K121 (CVT): REVOLUTION SENSOR (NSS SENSOR): REMOVAL; 2020 - 2022 MY Corolla Corolla Hatchback [03/2019 - 09/2022]

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 (NSS) removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replacement Part or Procedure

Necessary Procedure

Effect/Inoperative when not Performed

Link
*1: Not necessary when TCM replaced with new one.

*2: for Hatchback

Disconnect cable from negative battery terminal

Perform steering sensor zero point calibration

Lane Control System (for Gasoline Model)

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; PRE-COLLISION: PRE-COLLISION SYSTEM (for Gasoline Model): INITIALIZATION

Pre-collision System (for Gasoline Model)

Lighting System (w/ AFS)(EXT)

Initialize back door lock*2

Power Door Lock Control System (for Hatchback, Gasoline Model)

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM (for Hatchback, Gasoline Model): INITIALIZATION

Replacement of TCM

(If transaxle compensation code read from TCM)
  • Transfer transaxle compensation code
  • Perform reset memory*1
  • Deceleration sensor zero point calibration
  • CVT oil pressure calibration
  • Perform road test to allow TCM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

2019 - 2022 MY Corolla Corolla Hatchback [06/2018 - 09/2022]; 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

Replacement of TCM

(If transaxle compensation code not read from TCM)
  • Reset transaxle compensation code
  • Perform reset memory*1
  • Deceleration sensor zero point calibration
  • CVT oil pressure calibration
  • Perform road test to allow TCM to learn

NOTICE:

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

PROCEDURE

1. REMOVE TCM

Click here 2020 - 2022 MY Corolla Corolla Hatchback [03/2019 - 09/2022]; K120 / K121 (CVT): K120 TCM: REMOVAL

2. REMOVE TRANSMISSION REVOLUTION SENSOR (NSS)

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

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

(c) Remove the O-ring from the transmission revolution sensor (NSS).