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.


  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 Note

    • Continuously variable transaxle assembly (K111, K311)

    • Oil pressure sensor (K111, K311)

    • Yaw rate sensor

    • ECM


    1. Reset memory

    2. Deceleration sensor 0 point calibration

    3. CVT oil pressure calibration


    • Deterioration of fuel efficiency

    • DTC P1589 is output (Malfunction Indicator Lamp (MIL) not illuminates)

    Perform deceleration sensor 0 point calibration with the ignition switch ON (engine stopped).

    • Automatic transaxle assembly (U241E)

    • Engine assembly

    • ECM

    Reset memory Large shift shock -

    for EB60


    • Clutch cover assembly

    • Clutch disc assembly

    • Clutch release with bearing cylinder assembly

    • Brake pedal stroke sensor (Clutch pedal stroke sensor).

    • Clutch pedal sub-assembly

    • Clutch master cylinder

    Calibration The vehicle may not be able to start off smoothly due to a deviation in the timing of the electric parking brake release of the drive away release function. -

    for EC60


    • Clutch cover assembly

    • Clutch disc assembly

    • Clutch release with bearing cylinder assembly

    • Brake pedal stroke sensor (Clutch pedal stroke sensor).

    • Clutch pedal sub-assembly

    • Clutch master cylinder

    Calibration The vehicle may not be able to start off smoothly due to a deviation in the timing of the electric parking brake release of the drive away release function. -

    • Tire pressure warning ECU and receiver

    • Tire pressure warning valve and transmitter


    • Transmitter ID registration

    • Initialization

    Tire pressure warning system -

    • Electric parking brake ECU (Parking brake with bracket actuator assembly)

    • Yaw rate sensor

    • Clutch pedal*1

    • Brake pedal stroke sensor (Clutch pedal stroke sensor)*1

    • Brake pedal stroke sensor (Clutch pedal stroke sensor) adjustment*1

    Calibration Electric parking brake system does not operate properly -
    Skid control ECU (Brake actuator assembly) Calibration DTC C1288/88 is output -
    Brake fluid Bleeding air from brake system Brake performance problem -
    Power steering ECU assembly
    • Rotation angle sensor initialization and torque sensor zero point calibration

    • Assist map writing


    • EPS warning light comes on

    • Power steering system

    DTC (C1515/C1525) will be stored when the power steering ECU is replaced.
    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 -

    • Steering lock actuator assembly

    • Certification ECU

    • ID code box

    • Key

    Code registration
    • Wireless door lock control system

      (w/ Entry and Start System)

    • Entry operation

    • Engine start

      (w/ Entry and Start System)

    • Steering lock and unlock

    Refer to the Service Bulletin for the registration procedure.

    • Transponder key ECU

    • Key

    Code registration

    Engine start

    (w/o Entry and Start System)

    Refer to the Service Bulletin for the registration procedure.

    • AFS ECU

    • Rear height control sensor


    • AFS ECU registration

    • Rear height control sensor registration

    AFS function -

    • Door control receiver assembly

    • Key

    Code registration Wireless door lock control system (w/o Entry and Start System) -

    • Front door window regulator motor LH

    • Front door window regulator motor RH

    • Rear door window regulator motor LH*2

    • Rear door window regulator motor RH*2

    Motor initialization
    • Jam protection function

    • Power window control system

    -

    • Sliding roof drive gear

    • Roof shade trim

    Roof shade system initialization
    • Jam protection function

    • Auto operation

    -

    • *1: for Manual Transaxle

    • *2: w/ Rear Door Power Window