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HOMESERVICE MANUALSTOYOTA2009SEQUOIA LIMITED, 5.7 Y, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 28 (ENGINE CONTROL SYSTEM (2UZ-FE) - COMPONENT AND SYSTEM TESTING, ON-VEHICLE INSPECTION, REMOVAL, INSPECTION & INSTALLATION)ECMREMOVAL
2009 Toyota Sequoia Limited, 5.7 Y, RWD

Section 28 (Engine Control System (2UZ-FE) - Component And System Testing, On-Vehicle Inspection, Removal, Inspection & Installation): ECM: Removal

2009 Toyota Sequoia Limited, 5.7 Y, RWDSECTION Removal
WARNING: This page is about a different variant/trim than selected.
  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE: Some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
  2. REMOVE THROTTLE BODY COVER SUB-ASSEMBLY (See  REMOVAL   ) 
  3. REMOVE AIR CLEANER HOSE ASSEMBLY (See  REMOVAL   ) 
  4. REMOVE AIR CLEANER ASSEMBLY 
    1. Disconnect the clamp and mass air flow meter connector.
    2. Remove the 2 bolts and remove the air cleaner assembly.
      Fig 1: Locating Air Cleaner Assembly Bolts
      G05645221Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. DISCONNECT CONNECTOR HOLDER BLOCK 
    1. Remove the 3 bolts and disconnect the connector holder block.
      Fig 2: Locating Connector Holder Block Bolts
      G05149561Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE ECM 
    1. Disconnect the wire harness clamp.
      Fig 3: Identifying Wire Harness Clamp
      G05645223Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Raise the 2 levers while pushing the locks on the 2 levers.
      Fig 4: Pushing Locks On Levers
      G05150014Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.