Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001CIJ1
Model Year Start: 2019 Model: GR Corolla Prod Date Range: [06/2018 - 01/2019]
Title: INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION; 2019 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 01/2019]

INITIALIZATION

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Perform steering sensor zero point calibration

Lane Control System

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

Pre-collision System

Lighting System (w/ AFS)(EXT)

Initialize back door lock

Power Door Lock Control System

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

PROCEDURES NECESSARY WHEN CABLE IS DISCONNECTED/RECONNECTED TO NEGATIVE (-) AUXILIARY BATTERY TERMINAL

NOTICE:

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

PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED

Replaced Part

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

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

*2: If the vehicle height has changed due to suspension or tire replacement.

*3: One Time Recognition

*4: Sequential Recognition

ECM

Vehicle Identification Number (VIN) registration

MIL comes on

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

ECU communication ID registration (Immobiliser system)

Engine start function

2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

  • Throttle body with motor assembly
  • Cam timing control motor with EDU assembly
  • Camshaft timing gear assembly
  • Engine assembly
  • Cylinder head sub-assembly
  • Camshaft (for intake or exhaust camshaft)
  • Camshaft timing exhaust gear assembly
  • Piston or piston ring
  • Mass air flow meter sub-assembly
  • Port fuel injector assembly
  • Direct fuel injector assembly
  • Fuel pump (for low pressure side)
  • Fuel pump assembly (for high pressure side)
  • No. 2 fuel pressure sensor (for low pressure side)
  • Fuel pressure sensor (for high pressure side)
  • Air fuel ratio sensor (sensor 1)
  • Air fuel ratio sensor (sensor 2)
  • Engine coolant temperature sensor
  • Spark plug
  • Ignition coil assembly
  • EGR valve assembly
  • Air intake system parts
  • Exhaust system parts
  • Knock control sensor

Inspection after repair

  • Poor idle, etc.
  • Engine start function, etc.

2019 - 2020 MY Corolla Corolla Hatchback [06/2018 - 09/2019]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

Millimeter wave radar sensor assembly

Adjust millimeter wave radar sensor assembly

  • Dynamic Radar Cruise Control System
  • Lane Control System
  • Road Sign Assist System
  • Front Radar Sensor System
  • Pre-collision System
  • Lighting System (EXT)

2019 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 01/2019]; CRUISE CONTROL: MILLIMETER WAVE RADAR SENSOR: ADJUSTMENT

  • Forward recognition camera
  • Windshield glass

Adjust forward recognition camera

  • Dynamic Radar Cruise Control System
  • Front Camera System
  • Lane Control System
  • Road Sign Assist System
  • Pre-collision System
  • Lighting System (EXT)

2019 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 01/2019]; CRUISE CONTROL: FRONT CAMERA: ADJUSTMENT (ONE TIME RECOGNITION) *3

or

2019 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 01/2019]; CRUISE CONTROL: FRONT CAMERA: ADJUSTMENT (SEQUENTIAL RECOGNITION) *4

Continuously variable transaxle assembly

  • Input transaxle compensation code into TCM
  • 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

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

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
  • Oil pressure sensor
  • Airbag sensor assembly (Yaw rate and acceleration sensor)
  • Perform reset memory
  • Deceleration sensor zero point calibration
  • CVT oil pressure calibration
  • Perform road test to allow TCM to learn

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

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

ECM

  • Perform reset memory
  • CVT oil pressure calibration
  • Perform road test to allow TCM to learn

CVT fluid

ATF thermal degradation estimate reset

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

2019 - 2022 MY Corolla Corolla Hatchback [06/2018 - 09/2022]; K120 / K121 (CVT): K120 CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM: INITIALIZATION

  • Tire pressure warning ECU and receiver (electrical key and tire pressure monitoring system receiver assembly)
  • Tire pressure warning valve and transmitter
  • Register transmitter ID
  • Initialize tire pressure warning system
  • When DTC detection conditions of "transmitter ID not received" DTC are met, TPWS indicator blinks for 1 minute, and then illuminates
  • Tire pressure warning function

2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]; TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM (for Gasoline Model (for Type A)): REGISTRATION for Registration

2019 - 2023 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 11/2022]; TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM (for Gasoline Model (for Type A)): INITIALIZATION for Initialization

Skid control ECU (brake actuator assembly)

Perform acceleration sensor zero point calibration and store system information memorization

  • VSC is disabled or malfunctions
  • DTCs are output
  • Slip indicator light illuminates
  • ABS warning light illuminates

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model with Electric Parking Brake System): UTILITY

Yaw rate and acceleration sensor (airbag sensor assembly)

  • Perform "Reset Memory"
  • Perform acceleration sensor zero point calibration and store system information memorization

Skid control ECU (brake actuator assembly)

Operate the electric parking brake switch (electric parking brake switch assembly)

Parking brake indicator light (red) blinks when the engine switch is first turned on (IG)

2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model): PRECAUTION

Power steering ECU with motor assembly

  • Perform torque sensor zero point calibration
  • Assist map writing
  • DTCs are output
  • Steering effort different between turning steering wheel left and right
  • EPS warning light illuminates

2019 - 2020 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2019]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model (for Hatchback)): CALIBRATION

Electric power steering column sub-assembly

Perform torque sensor zero point calibration

DCM (telematics transceiver)

DCM activation

Safety Connect System

2019 - 2020 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2019]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): DCM ACTIVATION

Code registration (Smart Key System (for Start Function))

Telematics System

2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

Back-up battery

Perform the reset back-up battery condition

Safety Connect System

2019 - 2020 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2019]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): INITIALIZATION

Blind spot monitor sensor

Blind spot monitor beam axis adjustment

Blind Spot Monitor System

2019 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 01/2019]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SENSOR: ADJUSTMENT

  • Certification ECU (smart key ECU assembly)
  • ID code box (immobiliser code ECU)
  • Steering lock ECU (steering lock actuator or upper bracket assembly)
  • Electrical key transmitter sub-assembly
  • ECM
  • Main body ECU (multiplex network body ECU)

Code registration (Smart Key System (for Start Function))

  • Wireless Door Lock Control System
  • Smart Key System (for Entry Function)
  • Smart Key System (for Start Function)
  • Steering lock function

2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

  • Occupant detection ECU
  • Front passenger seat

Zero point calibration (Occupant Classification System)

  • Occupant Classification System
  • Passenger airbag ON/OFF indicator
  • Airbag System (Front passenger side)
  • Seat Belt Warning System (Front passenger)

2019 - 2020 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 03/2019]; SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM (for Gasoline Model): INITIALIZATION

  • No. 1 air conditioning radiator damper servo sub-assembly
  • No. 1 blower damper servo sub-assembly
  • Air conditioning amplifier assembly

Servo motor initialization (Air Conditioning System (for Automatic Air Conditioning System))

DTCs are output

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Gasoline Model with Automatic Air Conditioning System): INITIALIZATION

  • Door window regulator sub-assembly
  • Power window regulator motor sub-assembly
  • Door glass
  • Door glass run
  • Door belt moulding
  • Door glass weatherstrip inner

Initialize power window control system

  • Auto up and down function
  • Jam protection function
  • Remote control function
  • Key-linked function
  • Wireless transmitter-linked function
  • Key-off operation function
  • Catch protection function
  • Window open warning function

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

Headlight ECU sub-assembly LH

  • Synchronize the vehicle information
  • Perform headlight ECU sub-assembly LH initialization

Lighting system (w/ AFS)(EXT)

2019 - 2021 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 06/2021]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with AFS): INITIALIZATION

  • Rear height control sensor sub-assembly LH
  • Suspension, tires, etc.*2

Perform headlight ECU sub-assembly LH initialization