ENGINE STOP AND START ECU REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the engine stop and start ECU removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced
Replacement Part or Procedure Necessary Procedure Effect/Inoperative when not Performed Link
Disconnect cable from negative battery terminal Memorize steering angle neutral point Lane departure alert system (w/ Steering Control)

Click here

Simple intelligent parking assist system*1
Toyota parking assist-sensor system (w/ Simple Intelligent Parking Assist System)*1
Pre-collision syatem
Initialize back door lock Power door lock control system

Click here

Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes) Stop and start system

Click here

Replacement of engine stop and start ECU

  1. Upload the number of starter operations

  2. Reset air conditioning information

  3. Learning of air conditioning information

  4. Clear the zero point calibration data

  5. Perform zero point calibration of the deceleration sensor

 Stop and start system

Click here

*1: When performing learning using the GTS.
Click here Click here

PROCEDURE


  1. PRECAUTION

    Note

    After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notice before proceeding with work.

    Click here

  2. READ NUMBER OF STARTER OPERATIONS

    Click here

  3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

    Click here

    Note

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Click here

  4. REMOVE ECU INTEGRATION BOX RH (for LHD)

    Click here

  5. REMOVE ECU INTEGRATION BOX LH (for RHD)

    Click here

  6. REMOVE ENGINE STOP AND START ECU (for LHD)

    B008LVO

    1. Disengage the 2 claws and remove the engine stop and start ECU from the ECU integration box RH.

  7. REMOVE ENGINE STOP AND START ECU (for RHD)


    1. B008LU4

      Disengage the 2 claws and remove the engine stop and start ECU from the ECU integration box LH.