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Engine Control System (Service Information): ECM: Removal: Removal

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE:

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

  2. REMOVE AIR CLEANER CAP SUB-ASSEMBLY 
    1. Disconnect the mass air flow meter connector.
      Fig 1: Removing Air Cleaner Cap Sub-Assembly
      GTY312980Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the purge VSV connector.
    3. Detach the 2 wire harness clamps.
    4. Disconnect the 2 purge line hoses.
    5. Disconnect the No. 2 ventilation hose from the cylinder head cover.
    6. Disconnect the purge line hose from the clamp.
    7. Lock the No. 1 air cleaner hose clamp, and then disconnect the No. 1 air cleaner hose from the throttle body.
      Fig 2: View Of No. 1 Air Cleaner Hose Clamp
      GTY314417Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Detach the 2 hook clamps, and then remove the air cleaner cap.
      Fig 3: Removing The Air Cleaner Cap
      GTY312982Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Remove the air cleaner filter element from the air cleaner case.
  3. REMOVE AIR CLEANER CASE 
    1. Detach the harness clamp.
      Fig 4: Removing Air Cleaner Case
      GTY312981Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 3 bolts and air cleaner case.
  4. DISCONNECT AIR CLEANER INLET 
      Fig 5: View Of Air Cleaner Inlet And Bolt
      GTY312991Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the bolt and disconnect the air cleaner inlet.
  5. REMOVE ECM 
      Fig 6: Identifying ECM Levers Raising
      GTY311108Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      After disconnecting a connector, make sure that dirt, water and other foreign matter does not contact the connector.

    1. Disconnect the 2 ECM connectors.
      TEXT IN ILLUSTRATION

      *a Push
      *b Lock
      1. Raise the 2 levers while pushing the locks on the 2 levers and disconnect the 2 ECM connectors.
      2. Fig 7: Removing ECM
      GTY312990Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Detach the clamp.
    3. Remove the 2 bolts and ECM with bracket.
      4. Fig 8: View Of ECM, Bracket And Screws
      GTY312992Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 4 screws and 2 ECM brackets.
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