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Throttle Body: Installation: Installation

  1. INSTALL THROTTLE BODY ASSEMBLY 
    1. Install a new gasket to the intake manifold.

      HINT: 

      Align the protrusion of the gasket with the groove on the intake manifold.

      Fig 1: Identifying Groove And Protrusion
      GTY131709Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the No. 4 water and No. 5 water by-pass hoses to the throttle body.
      Fig 2: Identifying No. 4 Water & No. 5 Water By-Pass Hoses To Throttle Body
      GTY148256Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      • Position the claws of the clamps as shown in the illustration.
      • Install the clamps so that they are within the hose's paint marks.
    3. Install the throttle body with the 4 bolts.

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

      Fig 3: Locating Throttle Motor Connector & Bolts
      GTY147486Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the throttle motor connector.
  2. INSTALL INTAKE AIR CONNECTOR PIPE 
    Fig 4: Locating Intake Air Connector Pipe
    GTY133578Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Align the protrusion of the intake air resonator with the cutout of the bracket and insert the protrusion.
    2. Install the intake air connector pipe with the 3 hose clamps.

      for intake air connector pipe and throttle body 

      Torque: 4.8 N.m (49 kgf*cm, 42 in.*lbf) 

      for intake air connector pipe and intake air resonator 

      Torque: 3.8 N.m (39 kgf*cm, 34 in.*lbf) 

      HINT: 

      • Insert the protrusion of the intake air connector pipe into the hole of the hose clamp.
      • The intake air connector pipe and throttle body clamp can be tightened within the range of 4.0 N.m (41 kgf*cm, 35 in.*lbf) to 5.5 N.m (56 kgf*cm, 49 in.*lbf), and the intake air connector pipe and intake air resonator clamp can be tightened within the range of 2.0 N.m (20 kgf*cm, 18 in.*lbf) to 5.5 N.m (56 kgf*cm, 49 in.*lbf).
    3. Attach the wire harness clamp.
    4. Connect the No. 1 and No. 2 ventilation hoses to the intake air connector pipe.
      Fig 5: Identifying Wire Harness Clamp
      GTY133287Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      • Position the claws of the clamps as shown in the illustration.
      • Install the clamps so that they are within the hose's paint marks.
  3. INSTALL NO. 1 AIR CLEANER INLET  . Refer to INSTALLATION - Step 95
  4. ADD ENGINE COOLANT  . Refer to REPLACEMENT - Step 6
  5. INSPECT FOR COOLANT LEAK  . Refer to ON-VEHICLE INSPECTION - Step 1
  6. INSTALL AIR CLEANER INLET COVER SUB-ASSEMBLY  . Refer to INSTALLATION - Step 96
  7. INSTALL V-BANK COVER SUB-ASSEMBLY  . Refer to INSTALLATION - Step 97
  8. INSTALL NO. 1 ENGINE UNDER COVER  . Refer to INSTALLATION - Step 84
  9. INSTALL FRONT WHEEL OPENING EXTENSION PAD LH  . Refer to INSTALLATION - Step 13
  10. INSTALL FRONT WHEEL OPENING EXTENSION PAD RH  . Refer to INSTALLATION - Step 14
  11. PERFORM INITIALIZATION 
    NOTE:
    • Be sure to perform this procedure after reassembling the throttle body assembly or removing and reinstalling any throttle body component.
    • 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.
    • Be sure to perform this procedure after reconnecting the battery cable and replacing the ECM.
    1. Disconnect the EFI MAIN, EFI MAIN2 and ETCS fuses at the same time. Wait at least 60 seconds and reconnect the fuses.
    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 Techstream to the DLC3 and clear the DTCs. Refer to DTC CHECK/CLEAR .
    4. Put the engine in inspection mode. Refer to INSPECTION MODE PROCEDURE .
    5. 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

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Engine speed Engine speed:
      Min.: 0 rpm, Max.: 16383.75 rpm
      800 to 900 rpm: Idling Shift lever on P
      950 to 1050 rpm: Idling Shift lever on N
      NOTE:
      • Be sure to perform this step with all accessories off.
      • Make sure that the shift lever is in N or P.
    6. Enter the following menus: Powertrain/Engine and ETC/Data List/All Data/Throttle Sensor Position. Sensor Output. Fully depress the accelerator pedal and check that the value is 60% or more.
    7. Perform a road test and confirm that there are no abnormalities.