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Throttle Body: Installation

  1. INSTALL THROTTLE WITH MOTOR BODY ASSEMBLY 
    1. Install a new gasket onto the intake manifold.
      Fig 1: Identifying Gasket
      G05198415Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the throttle with motor body with the 2 bolts and 2 nuts.

      Torque: 9 N*m (92 kgf*cm, 80 in.*lbf) 

      Fig 2: Locating Throttle With Motor Body With Bolts And Nuts
      G05198414Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the water by-pass hose.
    4. Connect the water by-pass hose No. 2.
    5. Connect the throttle motor connector.
      Fig 3: Locating Water By-Pass Hose
      G06080665Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL INTAKE AIR CONNECTOR 
    1. Install the intake air connector with the 3 bolts.

      Torque: 8 N*m (82 kgf*cm, 71 in.*lbf) 

    2. Tighten the 2 hose clamp bolts.

      Torque: 5 N*m (51 kgf*cm, 44 in.*lbf) 

      Fig 4: Locating Bolts And Intake Air Connector
      G05198412Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the vacuum hose.
      Fig 5: Locating Vacuum Hose
      G05198411Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the ventilation hose No. 2.
      Fig 6: Locating No. 2 Ventilation Hose
      G05198410Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Connect the vacuum hose.
    6. Engage the wire harness clamp.
    7. Connect the pressure sensor connector.
  3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 

    Torque: 3.9 N*m (40 kgf*cm, 35 in.*lbf) 

  4. ADD ENGINE COOLANT  (See COOLANT )
  5. CHECK FOR ENGINE COOLANT LEAKAGE  (See ON-VEHICLE INSPECTION )
    Fig 7: Locating Wire Harness Clamp
    G05198409Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL ENGINE UNDER COVER SUB-ASSEMBLY NO.1 (for 4WD and Pre-Runner) 
  7. PERFORM INITIALIZATION 
    NOTE: Perform the following procedure after replacing the ECM, throttle body assembly or any throttle body components or after cleaning the throttle body.
    1. Disconnect the cable from the negative (-) battery terminal. Wait at least 60 seconds and reconnect the cable.
    2. Turn the ignition switch to the ON position without operating the accelerator pedal.
      NOTE: If the accelerator pedal is operated, perform the above steps again.
    3. Connect the tester 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 

      ENGINE IDLE SPEED CHART

      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.