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Home >> Toyota >> 2014 >> Highlander LE Plus, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 95 (Engine Control System (2GR-FXE) (Service Information) (Hybrid)) >> ECM >> Removal [02/2014 - 11/2016] >> Procedure

Removal [02/2014 - 11/2016]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. PRECAUTION 
    NOTE:
    • Perform the Vehicle Identification Number (VIN) registration when replacing the ECM.

      Refer to REGISTRATION [02/2014 - 11/2016]

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

      Refer to PRECAUTION [02/2014 - 11/2016]

  2. REMOVE DECK BOARD ASSEMBLY 

    Refer to PROCEDURE - Step 1 , or refer to PROCEDURE - Step 1

  3. REMOVE NO. 3 DECK BOARD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 2 , or refer to PROCEDURE - Step 2

  4. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 
    NOTE:

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

    Refer to INITIALIZATION [02/2014 - 11/2016]

  5. REMOVE ECM 
    1. Raise the 2 levers while pushing the locks on the levers, and disconnect the 2 ECM connectors.
      GTY297505Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      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. Disengage the wire harness clamp.
    3. Disengage the 2 wire harness clamps.
      GTY450728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disengage the cooler pipe clamp.
      GTY425303Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the 3 bolts and ECM.
      NOTE:

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

      GTY425292Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Remove the 2 bolts and wire harness clamp bracket from the ECM.
      GTY425293Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE ECM BRACKET 
    1. Remove the 2 bolts and ECM bracket from the engine room ECU cover.
      GTY450726Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE NO. 2 ECM BRACKET 
    1. Remove the 2 bolts and No. 2 ECM bracket from the engine room ECU box.
      GTY425296Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE ENGINE ROOM ECU COVER 
    1. Disengage the 3 claws to remove the engine room ECU cover from the engine room ECU box.
      GTY425297Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE ENGINE ROOM ECU BOX 
    1. Remove the engine room ECU box from the ECM.
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