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

Refer to the TOYOTA Repair Manual for each inspection procedure.


  1. PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED

    Replacement Part Necessary Procedure Effect or Inoperative Function when Necessary Procedure is not Performed See Page

      for 1ND-TV

    • ECM


    • Learning values save

    • Learning values write


    • Warning light comes on

    • The deterioration of fuel efficiency

    -

      for 1ND-TV

    • Injector assembly


    • Injector Compensation

    • Pilot Quantity Learning Values Reset


    • Warning light comes on

    • The deterioration of fuel efficiency

    -

      for 1ND-TV

    • Air fuel ratio sensor

    A/F Sensor Compensation Reset
    • Warning light comes on

    • The deterioration of fuel efficiency

    -

      for 1ND-TV

    • DPF catalyst

    DPF Deterioration Record Clear
    • Warning light comes on

    • The deterioration of fuel efficiency

    -

      for 1ND-TV

    • Engine assembly


    • Injector Compensation

    • Pilot Quantity Learning Values Reset


    • Warning light comes on

    • The deterioration of fuel efficiency

    -

      for 1ND-TV

    • Diesel throttle body assembly

    • Electric EGR valve assembly

    • Turbo charger sub-assembly


    • Learning values save

    • Learning values write

    Engine starting -

      for 1KR-FE

    • ECM

    • Throttle body assembly

    Input the learning value of the throttle position sensor Rough idle -

      for 2NR-FKE

    • Throttle with motor body assembly

    • Cleaning deposits from the throttle body with motor assembly

    • Cam timing control motor with EDU assembly

    • Removal and installation of a cam timing control motor with EDU assembly

    • Camshaft timing gear assembly (for intake or exhaust side)

    • Removal and installation of a camshaft timing gear assembly

    • Engine assembly

    • Cylinder head sub-assembly

    • Camshaft (for intake or exhaust side)

    • Camshaft timing exhaust gear assembly

    • Piston or piston ring

    • Mass air flow meter

    • Fuel injector assembly

    • Fuel pump

    • Air fuel ratio sensor

    • Engine coolant temperature sensor

    • Spark plug

    • No. 1 ignition coil

    • EGR valve assembly

    • Air leaks from intake system

    • Gas leaks from exhaust system

    • Knock sensor

    Inspection after repairs
    • Poor idle, etc.

    • Engine start function, etc.

    -

      for 2ZR-FE

    • Throttle body with motor assembly

    • Cleaning the deposits from the throttle body with motor assembly

    • Engine assembly

    • Cylinder head sub-assembly

    • Camshaft (for intake or exhaust camshaft)

    • Camshaft timing gear assembly

    • Camshaft timing exhaust gear assembly

    • Piston or piston ring

    • Mass air flow meter

    • Fuel injector assembly

    • Fuel pump

    • Supercharger assembly

    • Heated oxygen sensor (Sensor 1)

    • Heated oxygen sensor (Sensor 2)

    • Vacuum sensor (manifold absolute pressures ensor)

    • Engine coolant temperature sensor

    • Spark plug

    • Ignition coil assembly

    • Air leaks from intake system

    • Gas leaks from exhaust system

    • Knock sensor

    Inspection after repair
    • Poor idle, etc.

    • Engine start function, etc.

    -
    Engine stop and start ECU
    • Upload the number of starter operations

    • Reset Air Conditioning Information

    • Learning Air Conditioning Information

    • Clear the Zero Point Calibration Data

    • Deceleration Sensor Zero Point Calibration

    Stop and start system -
    Air conditioning amplifier assembly
    • Reset Air Conditioning Information

    • Learning Air Conditioning Information

    Starter assembly Clear Number of Starter Operations
    Airbag sensor assembly
    • Clear the Zero Point Calibration Data

    • Deceleration Sensor Zero Point Calibration

    Oil pump with motor assembly Bleed the oil pump with motor assembly
    Battery
    • Clear the integrated current value

    • Switch battery type (for 2NR-FKE)


    • Continuously variable transaxle assembly

    • Oil pressure sensor

    • ECM


    • Clear the CVT learned values

    • Deceleration sensor 0 point calibration

    • CVT oil pressure calibration

    • Air bleeding of the electric air pump

    The deterioration of fuel efficiency -

      w/ VSC

    • Center airbag sensor assembly


    • Clear the CVT learned values

    • Deceleration sensor 0 point calibration

    • CVT oil pressure calibration


    • Warning light comes on

    • The deterioration of fuel efficiency

    -

      w/ VSC

    • Brake actuator assembly (Skid control ECU)


    • Deceleration sensor 0 point calibration

    • Master cylinder pressure sensor zero point calibration


    • Warning light comes on

    • The deterioration of fuel efficiency

    -

    • Power steering ECU assembly


    • Steering column assembly (containing the torque sensor)


    • Torque sensor zero point calibration

    • Assist map writing


    • Warning light comes on

    • Power assist stops

    -

      w/ Entry and Start System

    • Certification ECU

    • ID code box

    • Steering lock ECU

    • Electrical key transmitter

    • ECM (except GRMN)

    • Network gateway ECU (for GRMN)


    • Code registration

    • ECU communication ID registration


    • Wireless door lock control system

    • Engine start

    • Entry operation

    • Steering lock and unlock

    Refer to the Service Bulletin for the registration procedure.

      w/o Entry and Start System

    • Transponder key ECU

    • Door control receiver

    • Key

    • ECM

    ECU communication ID registration
    • Wireless door lock control system

    • Engine start

    Refer to the Service Bulletin for the registration procedure.

      for 1ND-TV

    • Oil maintenance management system

    Oil maintenance information mode reset operation
    • Oil change reminder light is on*1

    • "Oil maintenance required." is displayed on the multi-information display*2

    -
    Front door window regulator assembly LH or RH (driver side) Motor initialization
    • Jam protection function

    • Power window control system

    -
    Pre-crash safety city sensor
    • Recognition camera/ target position memory

    • Beam axis learning


    • Lane departure alert system

    • Pre-crash safety system

    • Road Sign Assist System

    -

    *1: for Segment Display Type

    *2: for TFT Display Type