2006 Toyota Matrix XRSFACTORY OEM SERVICE PROCEDURE

Throttle Body: Removal

  1. DRAIN ENGINE COOLANT 
  2. DISCONNECT BATTERY NEGATIVE TERMINAL 
  3. REMOVE CYLINDER HEAD COVER NO. 2 
    1. Remove the 3 bolts and nut, then remove the cylinder head cover No. 2.
      Fig 1: Removing Cylinder Head Cover No.2
      G04460889Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. SEPARATE ACCELERATOR CONTROL CABLE ASSEMBLY 
    1. Remove the wire of the accelerator control cable from the accelerator control cable support No. 2 [A].
    2. Loosen the nut [B].
    3. Remove the cable end [C] from the throttle lever, then separate the accelerator control cable.
      Fig 2: Separating Accelerator Control Cable Assembly
      G04460890Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE AIR CLEANER CAP SUB-ASSEMBLY 
    1. Disconnect the mass air flow meter connector [A].
    2. Disconnect the 2 VSV connectors [B].
    3. Remove the 2 wire harness clamps [C].
    4. Disconnect the fuel vapor feed hose No. 1 [D] from the VSV.
    5. Disconnect the fuel vapor feed hose No. 3 [E] from the VSV.
    6. Disconnect the 3 vacuum hoses [F].
    7. Loosen the air cleaner hose clamp bolt [G].
    8. Unlock the 2 clamp hooks [H].
    9. Remove the air cleaner cap together with the air cleaner hose.
      Fig 3: Removing Air Cleaner Cap Sub-Assembly
      G04460891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE THROTTLE BODY ASSEMBLY 
    1. Disconnect the throttle position sensor connector [A].
    2. Disconnect the ISC valve connector [B].
    3. Disconnect the ventilation hose [C].
      Fig 4: Removing Throttle Body Assembly
      G04460892Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the water by-pass hose No. 3 [D].
    5. Disconnect the water by-pass hose No. 2 [E].
      Fig 5: Disconnecting Water By-Pass Hose No.2 And 3
      G04460893Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Remove the 2 bolts and 2 nuts [F], then remove the accelerator control cable bracket and throttle body.
    7. Remove the gasket from the intake manifold.
      Fig 6: Removing Bolts And Nuts
      G04460894Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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