ECM REMOVAL

CAUTION / NOTICE / HINT

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

Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure Necessary Procedure 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

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

Click here

Perform code registration (Immobiliser system) Engine start function See Service Bulletin for the registration method.

Replacement of ECM

(If possible, read the transaxle compensation code from the previous ECM)

  1. Reset memory*1

  2. Transfer transaxle compensation code

  3. Perform road test to allow ECM to learn

  • Large shift shock

  • Deterioration of fuel efficiency

Click here for UB80E Initialization

Click here for UB80E Registration

Replacement of ECM

(If impossible, read the transaxle compensation code from the previous ECM)

  1. Reset memory*1

  2. Reset transaxle compensation code

  3. Perform road test to allow ECM to learn
Replacement of ECM 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.
*1: When the ECM is replaced with a new one, reset memory is unnecessary.

Note


  • After turning the engine 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 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 NO. 1 ENGINE COVER SUB-ASSEMBLY

    Click here

  4. REMOVE INLET AIR CLEANER ASSEMBLY

    Click here

  5. REMOVE AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE

    Click here

  6. REMOVE ECM


    1. B006YH5

      Rotate the 3 levers while pushing the locks, and disconnect the 3 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. B00703Q

      Remove the 2 bolts, nut and ECM.

      Note

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

  7. REMOVE NO. 1 ECM BRACKET


    1. B006YA2

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

  8. REMOVE NO. 2 ECM BRACKET


    1. B0071SK

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