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ECM REMOVAL

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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.

Table 1. 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)

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Pre-collision system
Memorize steering angle neutral point Parking assist monitor system

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

Click here(w/ Canister Pump Module)

Click here(w/o Canister Pump Module)
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 herefor UB80E Initialization

Click herefor 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.

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

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

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PROCEDURE


  1. Click here

    DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

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  2. Click here

    REMOVE COOL AIR INTAKE DUCT SEAL

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  3. Click here

    REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

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  4. Click here

    REMOVE INLET AIR CLEANER ASSEMBLY

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  5. Click here

    REMOVE AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE

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  6. Click here

    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. Click here

    REMOVE NO. 1 ECM BRACKET


    1. B006YA2

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

  8. Click here

    REMOVE NO. 2 ECM BRACKET


    1. B0071SK

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