2009 Toyota Matrix S, AWDFACTORY OEM SERVICE PROCEDURE

Throttle Body: Installation

  1. INSTALL THROTTLE BODY ASSEMBLY 
    1. Install a new gasket onto the intake manifold.
      Fig 1: Locating Throttle Body Assembly
      G04973377Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the throttle body assembly with the 4 bolts.

      Torque: 30 N*m (306 kgf*cm, 22 ft.*lbf) 

      Fig 2: Locating Throttle Body Assembly Bolts
      G05386915Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the throttle body hose.
      Fig 3: Locating Throttle Body Hose
      G06007601Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the throttle body connector.
      Fig 4: Locating Throttle Body Connector
      G06007600Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Connect the 2 water by-pass hoses.
      Fig 5: Locating Water By-Pass Hoses
      G06007599Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL AIR CLEANER CAP SUB-ASSEMBLY WITH HOSE 
    1. Install the air cleaner cap sub-assembly with hose and lock the 3 clamps.
    2. Tighten the air cleaner hose clamp.
      Fig 6: Locating Air Cleaner Hose Clamp
      G06007598Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the ventilation hose.
      Fig 7: Locating Ventilation Hose
      G06007597Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the 2 vacuum hoses and No. 1 vacuum switching valve connector.
      Fig 8: Locating Vacuum Hoses And No. 1 Vacuum Switching Valve Connector
      G06007596Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Connect the 2 wire harness clamps and the mass air flow meter connector.
      Fig 9: Locating Wire Harness Clamps And Mass Air Flow Meter Connector
      G06007595Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. ADD ENGINE COOLANT  (See COOLANT )
  4. INSPECT FOR COOLANT LEAK  (See COOLING SYSTEM )
  5. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY  (See INSTALLATION )
  6. PERFORM INITIALIZATION 
    NOTE: Perform the following procedure after replacing the ECM, throttle body assembly or any throttle body components. The following procedure should also be performed if the throttle body is cleaned.
    1. Disconnect the cable from the negative (-) battery terminal. Wait at least 60 seconds and reconnect the terminal.
    2. Turn the ignition switch to ON without operating the accelerator pedal.
      NOTE: If the accelerator pedal is operated, perform the above steps again.
    3. Connect the Techstream to the DLC3 and clear the DTCs (See DTC CHECK / CLEAR ).
    4. Start the engine and check that the MIL is not illuminated and that the idle speed is within the specified range when the A/C is switched off after the engine is warmed up.

      Standard 

      STANDARD REFERENCE

      Condition Engine Idle Speed
      A/C switched off 600 to 700 rpm
      NOTE:
      • Be sure to perform this step with all accessories off.
      • Make sure that the shift lever is in N or P.
    5. Enter the following menus: Powertrain/ Engine and ECT/ Data List/ Throttle Pos. Sensor Output. Fully depress the accelerator pedal and check that the value is 60% or more.
    6. Perform a road test and confirm that there are no abnormalities.
Chapter Navigation
Return to Chapter: Throttle Body
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.