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Throttle Body: Installation: Installation

  1. INSTALL THROTTLE BODY ASSEMBLY 
    1. Install the 2 water by-pass hoses to the throttle body.
    2. Install a new gasket to the intake air surge tank.
      Fig 1: Aligning Protrusion Of Gasket With Groove Of Intake Air Surge Tank
      GTY148007Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Align the protrusion of the gasket with the groove of the intake air surge tank.

    3. Install the throttle body with the 4 bolts.
      Fig 2: Locating Throttle Body & Gasket With Bolts
      GTY147692Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

    4. Connect the throttle position sensor and control motor connector.
      Fig 3: Locating Throttle Position Sensor And Control Motor Connector
      GTY147691Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Connect the 2 water by-pass hoses.
  2. ADD ENGINE COOLANT  . Refer to REPLACEMENT - Step 5
  3. INSTALL AIR CLEANER HOSE ASSEMBLY  . Refer to INSTALLATION - Step 10
  4. INSPECT FOR COOLANT LEAK  . Refer to ON-VEHICLE INSPECTION - Step 1
  5. CHECK THROTTLE BODY ASSEMBLY  See step  1
  6. INSTALL NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY  . Refer to INSTALLATION - Step 49
  7. INSTALL FRONT FENDER SPLASH SHIELD SUB-ASSEMBLY LH  . Refer to INSTALLATION - Step 13
  8. INSTALL FRONT FENDER SPLASH SHIELD SUB-ASSEMBLY RH  . Refer to INSTALLATION - Step 14
  9. 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 cable.
    2. Turn the ignition switch on (IG) 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. Refer to 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

      Condition Engine Idle Speed
      A/C switched off 650 to 750 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 Sensor Volt %. 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.
  10. INSTALL V-BANK COVER SUB-ASSEMBLY  . Refer to INSTALLATION - Step 46
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