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Home >> Toyota >> 2008 >> Sequoia SR5, 4.7 T, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2UZ-FE) - Component And System Testing, On-Vehicle Inspection, Removal, Inspection And Installation >> ECM >> Installation

Engine Control System (2UZ-FE) - Component And System Testing, On-Vehicle Inspection, Removal, Inspection And Installation: ECM: Installation

  1. INSTALL GASKET 
    1. Clean the ECM seal's surface with non-residue solvent.
    2. Attach a new gasket to the ECM.
      Fig 1: Removing Tape Of Gasket
      G05150019Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL ECM 
    1. Install the ECM with the 4 bolts.

      Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

      NOTE:
      • Make sure the gasket is not folded or caught on any area on the surrounding part.
      • Make sure there is no foreign matter caught between the gasket and surrounding part.
      • Do not damage the gasket.
        Fig 2: Locating ECM Bolts
        G05149564Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the 2 ECM connectors and push each lock lever down to lock the 2 ECM connectors.
      NOTE:
      • Make sure that the lock lever is raised 90° before connecting the ECM connectors. Failure to do this may cause the lock lever and terminals to break.
      • Do not twist the wire harness when connecting the ECM connectors.
        Fig 3: Pushing Lock Lever Down To Lock ECM Connectors
        G05149569Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the wire harness clamp.
      Fig 4: Identifying Wire Harness Clamp
      G05645223Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL CONNECTOR HOLDER BLOCK 
    1. Install the connector holder block with the 3 bolts.

      Torque: 7.3 N*m (74 kgf*cm, 65 in.*lbf) 

      Fig 5: Locating Connector Holder Block Bolts
      G05149561Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL AIR CLEANER ASSEMBLY 
    1. Install the air cleaner assembly with the 2 bolts.

      Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf) 

    2. Connect the mass air flow meter connector and clamp.
  5. INSTALL AIR CLEANER HOSE ASSEMBLY  (See INSTALLATION  )
  6. INSTALL THROTTLE BODY COVER SUB-ASSEMBLY  (See INSTALLATION  )
    Fig 6: Locating Mass Air Flow Meter Connector And Bolt
    G05645221Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE: Some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
  8. PERFORM INITIALIZATION 
    1. Perform initialization procedures (See INITIALIZATION ).
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