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

Refer to the TOYOTA Repair Manual for each work procedure.

Procedures Necessary when ECU or Other Parts are Replaced
Replacement Part Necessary Procedure Effect or Inoperative Function when Necessary Procedure is not Performed Note
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 -

  • Engine assembly (for 1NR-FE)

  • Throttle with motor body assembly (for 1NR-FE)

  • Air fuel ratio sensor (for 1NR-FE)

  • Mass air flow meter (for 1NR-FE)

  • Fuel injector assembly (for 1NR-FE)

 Inspection after repairs - -

  • Engine assembly (for 1NZ-FE)

  • Throttle with motor body assembly (for 1NZ-FE)

  • Air fuel ratio sensor (for 1NZ-FE)

  • Mass air flow meter (for 1NZ-FE)

  • Fuel injector assembly (for 1NZ-FE)

 Inspection after repairs - -
Engine stop and start ECU

  • Read number of starter operations

  • Register number of starter operations

  • Clear A/C information

  • Register A/C information

  • Clear the zero point calibration data

  • Perform zero point calibration of the yaw rate and deceleration sensor

 Stop and Start System -
Starter assembly Clear number of starter operations Stop and Start System -

  • CVT (K310)

  • Oil pressure sensor (K310)

  • Clear the CVT learned values

  • Deceleration sensor 0 point calibration

  • CVT oil pressure calibration

  • Warning light comes on

  • The deterioration of fuel efficiency

 -

  • CVT (K411)

  • Oil pressure sensor (K411)

  • Clear the CVT learned values

  • Deceleration sensor 0 point calibration

  • CVT oil pressure calibration

  • Air bleeding of the electric air pump

  • Warning light comes on

  • 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/o VSC

  • Deceleration sensor

  • Clear the CVT learned values

  • Deceleration sensor 0 point calibration

  • CVT oil pressure calibration

  • Warning light comes on

  • The deterioration of fuel efficiency

 -

    w/o VSC

  • Brake actuator assembly (Skid control ECU)

  • 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

  • Warning light comes on

  • The deterioration of fuel efficiency

 -
Power steering ECU Calibration

  • Warning light comes on

  • Power asist stops

 -

    w/ entry and start system

  • Certification ECU

  • ID code box

  • Steering lock ECU

  • Electrical key transmitter

  • Code registration

  • ECU communication ID registration

  • Wireless door lock control system

  • Engine start

  • Entry operation

 Refer to the Service Bulletin for the registration procedure.

    w/o entry and start system

  • Transponder key ECU

 ECU communication ID registration

  • Wireless door lock control system

  • Engine start

 Refer to the Service Bulletin for the registration procedure.

w/ automatic light control system

Main body ECU (Multiplex network body ECU)

 Determination of automatic light control function Customizing function of lighting system (automatic light control sensitivity adjustment) -
Power window regulator motor Motor initialization

  • Jam protection function

  • Power window control system

 -

  • Sliding roof housing sub-assembly

  • Sliding roof drive gear sub-assembly

 Sliding roof drive gear initialization

  • Jam protection function

  • Auto operation

 -

  • Headlight leveling ECU

  • Rear height control sensor sub-assembly RH

  • Suspension

 Headlight leveling ECU initialization Headlight leveling function -