Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000028H9P
Model Year Start: 2023 Model: Corolla Hatchback Prod Date Range: [11/2022 - 03/2023]
Title: K120 / K121 (CVT): TRANSMISSION CONTROL CABLE (for TMC Made): REMOVAL; 2023 MY Corolla Corolla Hatchback [11/2022 - 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

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

Update ECU security key

Vehicle Control History (RoB) are stored

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

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

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

2023 - 2025 MY Corolla Corolla Hatchback [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

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 driven

Effect/Inoperative Function when Necessary Procedure not Performed

Necessary Procedure

Link

Front Camera System

Drive the vehicle straight ahead at 15 km/h (9 mph) or more for 1 second or more.

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; ADVANCED DRIVER ASSISTANCE SYSTEM: FRONT CAMERA SYSTEM: INITIALIZATION

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 MY Corolla Corolla Hatchback [11/2022 - 03/2023]; M20A-FKS (ENGINE CONTROL): ECM: REMOVAL

3. REMOVE BATTERY CLAMP SUB-ASSEMBLY

Click here 2023 MY Corolla Corolla Hatchback [11/2022 - 03/2023]; M20A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

4. REMOVE FRONT FLOOR COVER LH

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

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)

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

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

NOTICE:

Do not forcibly pull the floor shift transmission control select cable into the cabin.

*a

Lock Nut

*b

Counterclockwise

(d) 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°

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

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

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