Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000002BA5N
Model Year Start: 2023 Model: Corolla Hatchback Prod Date Range: [03/2023 -           ]
Title: K120 / K121 (CVT): TRANSMISSION CONTROL CABLE (for TMMMS Made): REMOVAL; 2023 - 2025 MY Corolla Corolla Hatchback [03/2023 -        ]

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed, installed, or replaced during floor shift transmission control select cable 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: w/o Smart Key System

*2: w/ Smart Key System

*3: w/ Steering Lock Function

*4: If transaxle compensation code read from ECM

*5: If transaxle compensation code not read from ECM

Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

2019 - 2025 MY Corolla Corolla Hatchback [06/2018 -        ]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: REGISTRATION

for K121

  • ECU configuration

-

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; SETUP: WHEN REPLACING OR REMOVING/INSTALLING PARTS: ECU CONFIGURATION

ECU communication ID registration (Immobiliser system)

Engine start function

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

for K120

  • Perform reset memory
  • CVT oil pressure calibration
  • Perform road test to allow TCM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

Initialization: 2023 - 2025 MY Corolla Corolla Hatchback [11/2022 -        ]; K120 / K121 (CVT): K120 CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM: INITIALIZATION

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

for K121

  • Transfer transaxle compensation code*4
  • Reset transaxle compensation code*5
  • CVT oil pressure calibration
  • Perform road test to allow ECM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

Initialization: 2023 - 2025 MY Corolla Corolla Hatchback [03/2023 -        ]; K120 / K121 (CVT): K121 CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM: INITIALIZATION

Registration: 2023 - 2025 MY Corolla Corolla Hatchback [03/2023 -        ]; K120 / K121 (CVT): K121 CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM: REGISTRATION

Replacement of ECM*2

Code registration (Smart Key System (for Gasoline Model, Start Function))
  • Wireless Door Lock Control System (for Gasoline Model with Smart Key System)
  • Smart Key System (for Gasoline Model, Entry Function)
  • Smart Key System (for Gasoline Model, Start Function)
  • Steering lock function*3

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

Replacement of ECM*1

Code registration (Immobiliser system)
  • Engine start
  • Telematics System

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): REGISTRATION

Gas leak from exhaust system is repaired

Inspection after repair
  • Poor idle, etc.
  • Engine start function, etc.

2023 - 2025 MY Corolla Corolla Hatchback [11/2022 -        ]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

HINT:

When the cable is disconnected / reconnected to the 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 operated normally

Effect/Inoperative Function when Necessary Procedure not Performed

Necessary Procedure

Link
*1: for Hatchback

Power Door Lock Control System

  • Back door opener*1

Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: INITIALIZATION

PROCEDURE

1. REMOVE BATTERY

Click here 2023 - 2025 MY Corolla Corolla Hatchback [11/2022 -        ]; MAINTENANCE: M20A-FKS BATTERY: REMOVAL

2. REMOVE ECM

Click here 2023 - 2025 MY Corolla Corolla Hatchback [03/2023 -        ]; M20A-FKS (ENGINE CONTROL): ECM: REMOVAL

3. REMOVE BATTERY CLAMP SUB-ASSEMBLY

Click here 2023 - 2025 MY Corolla Corolla Hatchback [03/2023 -        ]; M20A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

4. REMOVE FRONT FLOOR COVER LH (w/ Cover)

Click here 2023 - 2025 MY Corolla Corolla Hatchback [11/2022 -        ]; M20A-FKS (INTAKE / EXHAUST): EXHAUST MANIFOLD (for Double Wishbone Type Suspension): REMOVAL+

5. REMOVE FRONT FLOOR COVER RH (w/ Cover)

Click here 2023 - 2025 MY Corolla Corolla Hatchback [11/2022 -        ]; M20A-FKS (INTAKE / EXHAUST): EXHAUST MANIFOLD (for Double Wishbone Type Suspension): REMOVAL+

6. REMOVE FRONT FLOOR CENTER BRACE

Click here 2023 - 2025 MY Corolla Corolla Hatchback [11/2022 -        ]; M20A-FKS (INTAKE / EXHAUST): EXHAUST MANIFOLD (for Double Wishbone Type Suspension): REMOVAL+

7. REMOVE FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)

  • for Double Wishbone Type Suspension:

    Click here 2023 - 2025 MY Corolla Corolla Hatchback [11/2022 -        ]; M20A-FKS (INTAKE / EXHAUST): EXHAUST MANIFOLD (for Double Wishbone Type Suspension): REMOVAL+

  • for Torsion Beam Type Suspension:

    Click here 2023 - 2025 MY Corolla Corolla Hatchback [09/2022 -        ]; M20A-FKS (INTAKE / EXHAUST): EXHAUST MANIFOLD (for Torsion Beam Type Suspension): REMOVAL+

8. REMOVE FRONT NO. 1 FLOOR HEAT INSULATOR

(a) Remove 3 nuts and front No. 1 floor heat insulator from the vehicle body.

9. REMOVE CONSOLE BOX ASSEMBLY

Click here 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV [11/2022 -        ]; INTERIOR PANELS / TRIM: FRONT CONSOLE BOX (except G16E-GTS): REMOVAL

10. REMOVE FLOOR SHIFT TRANSMISSION CONTROL SELECT CABLE

(a) Move the shift lever to N.

(b) Disconnect the floor shift transmission control select cable from the transmission floor shift assembly.

Disconnect in this Direction

(c) Using a screwdriver, pull out the stopper of the floor shift transmission control select cable.

NOTICE:

Do not remove the stopper. If it is removed, reinstall it to its original position.

*a

Stopper

(d) Rotate the nut counterclockwise approximately 180° and, while holding the nut in that position, disconnect the floor shift transmission control select cable from the transmission floor shift assembly.

*a

Stopper

*b

Nut

Disconnect in this Direction

NOTICE:

  • Do not rotate the nut excessively as the interior spring may come off and the floor shift transmission control select cable will not be reusable.
  • Do not forcibly pull the floor shift transmission control select cable into the cabin.

(e) While disengaging the clip as shown in the illustration, disconnect the floor shift transmission control select cable from the transmission control shaft lever together with the clip.

*a

Clip

*b

45° to 60°

(f) Remove the clip and disconnect the floor shift transmission control select cable from the No. 1 transmission control cable bracket.

(g) Remove the nut and disconnect the floor shift transmission control select cable from the vehicle body.

(h) Remove the 2 nuts and floor shift transmission control select cable from the vehicle body.