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Home >> Toyota >> 2017 >> Highlander XLE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 109 (Engine Control System (2GR-FXS) - Service Information - (Hybrid)) >> ECM >> Removal [11/2016 - ] >> Procedure

Removal [11/2016 - ]: Procedure

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  1. PRECAUTION 
    NOTE:
    • Perform Vehicle Identification Number (VIN) registration when replacing the ECM.

      Refer to REGISTRATION [11/2016 - ]

    • If the ECM has been struck or dropped, replace it.
    • 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 notices before proceeding with work.

      Refer to PRECAUTION [11/2016 - ]

  2. REMOVE DECK BOARD ASSEMBLY 

    Refer to PROCEDURE - Step 1

  3. REMOVE NO. 3 DECK BOARD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 2

  4. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to PROCEDURE - Step 3

  5. REMOVE ECM 
    1. Raise the 2 levers while pushing the locks on the levers, 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.

      GTY692601Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the clamp to separate the engine wire.
    3. Disengage the 2 clamps to separate the engine room main wire.
      GTY692603Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disengage the clamp to separate the suction hose sub-assembly.
    5. Remove the 3 bolts and ECM.
      NOTE:

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

      GTY732246Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE WIRE HARNESS CLAMP BRACKET 
    1. Remove the 2 bolts and wire harness clamp bracket.
      GTY692604Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE ECM BRACKET 
    1. Remove the 2 screws and ECM bracket from the ECM.
      GTY692643Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE NO. 2 ECM BRACKET 
    1. Remove the 2 screws and No. 2 ECM bracket from the ECM.
      GTY732254Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002