2009 Toyota Yaris S, 4D HatchbackFACTORY OEM SERVICE PROCEDURE

Fuel Injector: Removal

  1. DISCHARGE FUEL SYSTEM PRESSURE (See  PRECAUTION   ) 
  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
  3. REMOVE CYLINDER HEAD COVER NO. 2 (See  REMOVAL  ) 
  4. REMOVE IGNITION COIL NO. 1 (See  REMOVAL  ) 
  5. REMOVE VENTILATION HOSE 
    1. Disconnect the ventilation hose.
      Fig 1: Locating Ventilation Hose
      G04829036Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE VENTILATION HOSE NO. 2 
    1. Disconnect ventilation hose No. 2.
      Fig 2: Locating Ventilation Hose No. 2
      G04829037Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY 
    1. Disconnect the fuel injector connectors.
      Fig 3: Locating Fuel Injector Connectors
      G04829038Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the connector and 3 wire harness clamps and disconnect the engine wire harness.
      Fig 4: Locating Engine Wire Harness Clamp & Connector
      G04829039Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the bolt and remove the wire harness bracket.
      Fig 5: Locating Wire Harness Bracket Bolt
      G04829040Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 9 bolts, 2 nuts and 2 seal washers and then remove the cylinder head cover sub-assembly.
      Fig 6: Locating Cylinder Head Cover Bolts, Nuts & Seal Washers
      G04828836Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. DISCONNECT FUEL TUBE SUB-ASSEMBLY 
    1. Remove the fuel pipe clamp.
      Fig 7: Locating Fuel Pipe Clamp
      G04829042Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Pinch the retainer of the fuel tube connector, then pull the fuel tube connector to disconnect the fuel tube out of the fuel delivery pipe sub-assembly.
      NOTE:
      • Remove any dirt and foreign matter from the fuel tube connector before performing this work.
      • Do not allow any scratches or foreign matter on the parts when disconnecting, as the fuel tube connector has the O-ring that seals the pipe.
      • Perform this work by hand. Do not use any tools.
      • Do not forcibly bend, twist or turn the nylon tube.
      • Protect the disconnected parts by covering them with a vinyl bag after disconnecting the fuel tube.
      • If the fuel tube connector and pipe are stuck, push and pull to release them.
Factory Service Tools

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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.

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