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ECM (1ZZ-FE/2ZZ-GE) Replacement

  1. DISCONNECT BATTERY NEGATIVE TERMINAL 
  2. REMOVE GLOVE COMPARTMENT DOOR ASSY 
    1. Remove the screw from the glove compartment door stoppers.
    2. Deform the upper part of the glove compartment door assy to release the stoppers.
    3. Pull the glove compartment door assy upward to remove it.
    Fig 1: Removing Screw From Glove Compartment Door Stoppers
    G02612248Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE ECM 
    1. Remove the 2 clips using a clip remover, then open the cover.
      Fig 2: Removing 2 Clips Using A Clip Remover And Open Cover
      G02612249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the 4 ECM connectors.
    3. Remove the wire harness from the wire harness clamp.
      Fig 3: Disconnecting 4 ECM Connectors
      G02612250Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 2 screws.
    5. Unfasten the claw and clip, then remove the ECM.
    Fig 4: Removing ECM
    G02612251Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE ECM COVER 
    1. Remove the ECM cover from the ECM.
    Fig 5: Removing ECM Cover From ECM
    G02612252Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE ECM BRACKET (DELCO MADE) 
    1. Remove the 4 screws, then remove the ECM bracket.
    Fig 6: Removing ECM Bracket
    G02612253Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE ECM BRACKET (DENSO MADE) 
    1. Remove the 2 screws, then remove the ECM bracket.
    Fig 7: Removing ECM Bracket
    G02612254Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE ECM BRACKET NO. 2 (DENSO MADE) 
    1. Remove the 2 screws, then remove the ECM bracket No. 2.
    Fig 8: Removing ECM Bracket No. 2
    G02612255Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE ECM BRACKET NO. 3 (DENSO MADE) 
    1. Remove the 2 screws, then remove the ECM bracket No. 3.
    Fig 9: Removing ECM Bracket No. 3
    G02612256Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. INSTALL ECM BRACKET NO.3 (DENSO MADE) 
    1. Install the ECM bracket No. 3 with the 2 screws.

      Torque: 3.2 N.m (33 kgf.cm, 28 in..lbf) 

    Fig 10: Installing ECM Bracket No. 3 With 2 Screws
    G02612257Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. INSTALL ECM BRACKET NO.2 (DENSO MADE) 
    1. Install the ECM bracket No. 2 with the 2 screws.

      Torque: 3.2 N.m (33 kgf.cm, 28 in..lbf) 

    Fig 11: Installing ECM Bracket No. 2
    G02612258Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. INSTALL ECM BRACKET (DENSO MADE) 
    1. Install the ECM bracket with the 2 screws.

      Torque: 3.2 N.m (33 kgf.cm, 28 in..lbf) 

    Fig 12: Installing ECM Bracket
    G02612259Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. INSTALL ECM BRACKET (DELCO MADE) 
    1. Install the ECM bracket with the 4 screws.

      Torque: 3.2 N.m (33 kgf.cm, 28 in..lbf) 

    Fig 13: Installing ECM Bracket
    G02612260Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. INSTALL ECM COVER 
    1. Install a new ECM cover onto the ECM as shown in the illustration.
    Fig 14: Installing New ECM Cover Onto ECM
    G02612261Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. INSTALL ECM 
    1. Install the ECM with the 2 screws.

      Torque: 3.0 N.m (31 kgf.cm, 27 in..lbf) 

      Fig 15: Installing ECM
      G02612262Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the 4 ECM connectors.
    3. Install the wire harness clamp.
      Fig 16: Connecting 4 ECM Connectors
      G02612263Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Install the cover with the 2 clips.
    Fig 17: Installing Cover With 2 Clips
    G02612264Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. INSTALL GLOVE COMPARTMENT DOOR ASSY 
  16. CONNECT BATTERY NEGATIVE TERMINAL 

    Torque: 5.4 N.m (55 kgf.cm, 48 in..lbf) 

  17. REGISTRATION VIN 

    HINT: