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

    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
    ECM (for 1ND-TV)

    • Learning values save

    • Learning values write

    • Warning light comes on

    • The deterioration of fuel efficiency

    		 -
    Injector assembly (for 1ND-TV)

    • Injector Compensation

    • Pilot Quantity Learning Values Reset

    • Warning light comes on

    • The deterioration of fuel efficiency

    		 -
    Air fuel ratio sensor (for 1ND-TV) A/F Sensor Compensation Reset

    • Warning light comes on

    • The deterioration of fuel efficiency

    		 -
    DPF catalyst (for 1ND-TV) DPF Deterioration Record Clear

    • Warning light comes on

    • The deterioration of fuel efficiency

    		 -
    Engine assembly (for 1ND-TV)

    • Injector Compensation

    • Pilot Quantity Learning Values Reset

    • Warning light comes on

    • The deterioration of fuel efficiency

    		 -

    • Diesel throttle body assembly (for 1ND-TV)

    • Electric EGR valve assembly (for 1ND-TV)

    • Turbo charger sub-assembly (for 1ND-TV)

    • Learning values save

    • Learning values write

    		 Engine starting -

    • ECM (for 1KR-FE)

    • Throttle body assembly (for 1KR-FE)

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

    • Throttle with motor body assembly (for 2NR-FKE)

    • Cleaning deposits from the throttle body with motor assembly (for 2NR-FKE)

    • Cam timing control motor with EDU assembly (for 2NR-FKE)

    • Removal and installation of a cam timing control motor with EDU assembly (for 2NR-FKE)

    • Camshaft timing gear assembly (for intake or exhaust side) (for 2NR-FKE)

    • Removal and installation of a camshaft timing gear assembly (for 2NR-FKE)

    • Engine assembly (for 2NR-FKE)

    • Cylinder head sub-assembly (for 2NR-FKE)

    • Camshaft (for intake or exhaust side) (for 2NR-FKE)

    • Camshaft timing exhaust gear assembly (for 2NR-FKE)

    • Piston or piston ring (for 2NR-FKE)

    • Mass air flow meter (for 2NR-FKE)

    • Fuel injector assembly (for 2NR-FKE)

    • Fuel pump (for 2NR-FKE)

    • Air fuel ratio sensor (for 2NR-FKE)

    • Engine coolant temperature sensor (for 2NR-FKE)

    • Spark plug (for 2NR-FKE)

    • No. 1 ignition coil (for 2NR-FKE)

    • EGR valve assembly (for 2NR-FKE)

    • Air leaks from intake system (for 2NR-FKE)

    • Gas leaks from exhaust system (for 2NR-FKE)

    • Knock sensor (for 2NR-FKE)

    		 Inspection after repairs

    • 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 (for K312) Bleed the oil pump with motor assembly
    Battery

    • Clear the integrated current value

    • Switch battery type (for 2NR-FKE)

    • Continuously variable transaxle assembly (for K312)

    • Oil pressure sensor (for K312)

    • 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

    • 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.
    Oil maintenance management system (for 1ND-TV) 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