ECM 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 ECM removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure Necessary Procedures Effect/Inoperative Function when Necessary Procedure not Performed Link
Battery terminal is disconnected/reconnected Perform steering sensor zero point calibration Lane Departure Alert System (w/ Steering Control)

Click here

Pre-collision System
Memorize steering angle neutral point Parking Assist Monitor System

Click here

Panoramic View Monitor System

Click here

Replacement of ECM Vehicle Identification Number (VIN) registration MIL comes on

Click here

Perform code registration (Immobiliser system)

  • Wireless door lock control system

  • Smart Entry and Start System (for Entry Function)

  • Smart Entry and Start System (for Start Function)

  • Steering lock function

 See Service Bulletin for the registration method.
ECM (If possible, read the transaxle compensation code from the previous ECM) Possible

Perform the following procedures in the order shown:


  1. Reset Memory

  2. Transfer transaxle compensation code

  3. Perform road test to allow ECM to learn

  • Large shift shock

  • The deterioration of fuel efficiency

Click here for U760E Initialization

Click here for U760E Registration
Impossible

Perform the following procedures in the order shown:


  1. Reset Memory

  2. Reset transaxle compensation code

  3. Perform road test to allow ECM to learn
Replacement of ECM*1 Perform code registration (Immobiliser function)

  • Wireless door lock control system

  • Smart Entry and Start System (for Entry Function)

  • Smart Entry and Start System (for Start Function)

  • Steering lock function

 See Service Bulletin for the registration method.
Replacement of ECM*2 Perform code registration (Immobiliser system)

  • Wireless door lock control system

  • Engine start

 See Service Bulletin for the registration method.
*1: w/ Smart Entry and Start System
*2: w/o Smart Entry and Start System

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 notices before proceeding with work.

    Click here

  • If the ECM has been struck or dropped, replace it.

  • Perform the Vehicle Identification Number (VIN) registration when replacing the ECM.

    Click here

PROCEDURE


  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

    Click here

  2. REMOVE COOL AIR INTAKE DUCT SEAL

    Click here

  3. REMOVE INLET AIR CLEANER ASSEMBLY

    Click here

  4. REMOVE AIR CLEANER ASSEMBLY


    1. B0085AB

      Disconnect the mass air flow meter sub-assembly connector.

    2. Disengage the 3 wire harness clamps.

    3. B0084SG

      Loosen the hose clamp and remove the air cleaner hose assembly from the air cleaner assembly.

    4. Disengage the 3 pins to remove the air cleaner assembly.

  5. REMOVE ECM


    1. B00842Q

      Rotate the 2 levers while pushing the locks, and disconnect the 2 ECM connectors.

      Note

      After disconnecting the ECM connectors, make sure that dirt, water or other foreign matter does not contact the connecting parts of the ECM connectors.

    2. B00861A

      Remove the nut, 2 bolts and ECM.

      Note

      If the ECM has been struck or dropped, replace it.

  6. REMOVE NO. 1 ECM BRACKET


    1. B0084HT

      Remove the 2 screws and No. 1 ECM bracket from the ECM.

  7. REMOVE NO. 2 ECM BRACKET


    1. B0087KM

      Remove the 2 screws and No. 2 ECM bracket from the ECM.