WHEN REMOVING,INSTALLING,REPAIRING OR REPLACING PARTS > PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED



Procedures Necessary when ECU or Other Parts are Replaced (for USA) 
Replacement Part
Necessary Procedure
Effect or Inoperative Function when Necessary Procedure is not Performed
ECM
Vehicle Identification Number (VIN) registration
MIL comes on
Millimeter wave radar sensor assembly
Adjust millimeter wave radar sensor assembly (Dynamic radar cruise control system)
  1. Dynamic radar cruise control system
  2. Pre-collision system
  1. Tire pressure warning ECU
  2. Tire pressure warning valve and transmitter
  1. Code registration (Tire pressure warning system)
  2. Initialization
  1. When DTC detection conditions of "transmitter ID not received" DTC are met, TPWS indicator blinks for 1 minute, and then illuminates.
  2. Tire pressure warning function
Brake booster with master cylinder (Skid control ECU, brake actuator or pressure sensor)
  1. Initialization and calibration of the linear solenoid valve
  2. Yaw rate and acceleration sensor zero point calibration
  1. ABS warning light illumination
  2. Slip indicator light illumination
  3. Brake warning light / yellow (minor malfunction) illumination
  4. VSC disabled or malfunctioning
  1. Brake pedal stroke sensor
  2. Brake pedal
  1. Clearing stored linear solenoid valve calibration data
  2. Initialization and calibration of the linear solenoid valve
  1. ABS warning light illumination
  2. Slip indicator light illumination
  3. Brake warning light / yellow (minor malfunction) illumination
  4. VSC disabled or malfunctioning
Yaw rate and acceleration sensor
  1. Clearing zero point calibration data
  2. Yaw rate and acceleration sensor zero point calibration
  1. ABS warning light illumination
  2. Slip indicator light illumination
  3. Brake warning light / yellow (minor malfunction) illumination
  4. VSC disabled or malfunctioning
Power steering ECU assembly
Rotation angle sensor initialization and torque sensor zero point calibration
  1. P/S warning light comes on
  2. EPS control
Steering column assembly
Rotation angle sensor initialization and torque sensor zero point calibration
Steering effort is different between turning steering wheel to left and right
Spiral with sensor cable sub-assembly
  1. Correct steering angle neutral point
  2. Steering angle setting
Parking assist monitor system
Parking assist ECU
Parking assist ECU initialization
Parking assist monitor system
  1. Suspension, tires, etc.
  2. Rear television camera assembly
Rear television camera optical axis adjustment (Camera position setting)
Parking assist monitor system
  1. Map light assembly
  2. Garage door opener transmitter
Re-registration of codes in the garage door opener system
  1. Register transmitter code
  2. Rolling code systems
Garage door opener system
DCM (Telematics Transceiver)
DCM activation
Safety connect system
  1. Certification ECU (smart key ECU assembly)
  2. ID code box (immobiliser code ECU)
  3. Transmission control ECU assembly
  4. Key
Code registration (Engine immobiliser system)
  1. Wireless door lock control system
  2. Smart access system with push-button start system
  3. Hybrid control system start
  1. Occupant classification ECU
  2. Front passenger seat
  1. Zero point calibration (Occupant classification system)
  2. Sensitivity check (Occupant classification system)
  1. Occupant classification system
  2. Passenger airbag ON/OFF indicator
  3. Airbag system (Front passenger side)
  4. Seat belt warning system (Front passenger)
  1. Power window regulator motor assembly
  2. Door window regulator
  3. Door grass and/or door grass run etc
Initialize power window control system
  1. Automatic door glass open/ close function
  2. Jam protection function
  3. Operation function after power switch is turned off
  1. Sliding roof ECU (sliding roof drive gear sub-assembly)
  2. Sliding roof housing
  3. Sliding roof glass
Initialize sliding roof ECU (pulse sensor initial position setting)
  1. Automatic function of sliding roof
  2. Jam protection function
  3. Operation function after power switch is turned off
AFS ECU (headlight swivel ECU assembly)
Perform AFS ECU (headlight swivel ECU assembly) initialization
  1. Automatic level function
  2. AFS function
Rear height control sensor sub-assembly RH
Perform AFS ECU (headlight swivel ECU assembly) initialization
Automatic level function

Procedures Necessary when ECU or Other Parts are Replaced (except USA) 
Replacement Part
Necessary Procedure
Effect or Inoperative Function when Necessary Procedure is not Performed
Millimeter wave radar sensor assembly
Adjust millimeter wave radar sensor assembly (Dynamic radar cruise control system)
  1. Dynamic radar cruise control system
  2. Pre-crash safety system
Brake booster with master cylinder (Skid control ECU, brake actuator or pressure sensor)
  1. Initialization and calibration of the linear solenoid valve
  2. Yaw rate and acceleration sensor zero point calibration
  1. ABS warning light illumination
  2. Slip indicator light illumination
  3. Brake warning light / yellow (minor malfunction) illumination
  4. VSC disabled or malfunctioning
  1. Brake pedal stroke sensor
  2. Brake pedal
  1. Clearing stored linear solenoid valve calibration data
  2. Initialization and calibration of the linear solenoid valve
  1. ABS warning light illumination
  2. Slip indicator light illumination
  3. Brake warning light / yellow (minor malfunction) illumination
  4. VSC disabled or malfunctioning
Yaw rate and acceleration sensor
  1. Clearing zero point calibration data
  2. Yaw rate and acceleration sensor zero point calibration
  1. ABS warning light illumination
  2. Slip indicator light illumination
  3. Brake warning light / yellow (minor malfunction) illumination
  4. VSC disabled or malfunctioning
Power steering ECU assembly
Rotation angle sensor initialization and torque sensor zero point calibration
  1. P/S warning light comes on
  2. EPS control
Steering column assembly
Rotation angle sensor initialization and torque sensor zero point calibration
Steering effort is different between turning steering wheel to left and right
Spiral with sensor cable sub-assembly
  1. Correct steering angle neutral point
  2. Steering angle setting
Parking assist monitor system
Parking assist ECU
Parking assist ECU initialization
Parking assist monitor system
  1. Suspension, tires, etc.
  2. Rear television camera
Rear television camera optical axis adjustment (Camera position setting)
Parking assist monitor system
  1. Map light assembly
  2. Garage door opener transmitter
Re-registration of codes in the garage door opener system
  1. Register transmitter code
  2. Rolling code systems
Garage door opener system
  1. Certification ECU (smart key ECU assembly)
  2. ID code box (immobiliser code ECU)
  3. Transmission control ECU assembly
  4. Key
Code registration (Engine immobiliser system)
  1. Wireless door lock control system
  2. Entry and start system
  3. Push-button start system
  4. Hybrid control system start
  1. Power window regulator motor assembly
  2. Door window regulator
  3. Door grass and/or door grass run etc
Initialize power window control system
  1. Automatic door glass open/ close function
  2. Jam protection function
  3. Operation function after power switch is turned off
  1. Sliding roof ECU (sliding roof drive gear sub-assembly)
  2. Sliding roof housing
  3. Sliding roof glass
Initialize sliding roof ECU (pulse sensor initial position setting)
  1. Automatic function of sliding roof
  2. Jam protection function
  3. Operation function after power switch is turned off
AFS ECU (headlight swivel ECU assembly)
Perform AFS ECU (headlight swivel ECU assembly) initialization
  1. Automatic level function
  2. AFS function
Rear height control sensor sub-assembly RH
Perform AFS ECU (headlight swivel ECU assembly) initialization
Automatic level function