FixVault

Throttle Body ASSY (2AZ-FE): Replacement

NOTE: When disconnecting the battery terminal, initialize the following system after the terminal is reconnected.
SYSTEM SPECIFICATIONS

System Refer To
Power window control system INITIALIZATION
Sliding roof system INITIALIZATION
  1. DRAIN ENGINE COOLANT (see  ENGINE COOLANT (2AZ-FE)  ) 
  2. DISCONNECT BATTERY NEGATIVE TERMINAL 
  3. REMOVE ENGINE COVER SUB-ASSY NO.1 
    1. Remove the 2 nuts, then remove the engine cover No. 1.
      Fig 1: Removing Engine Cover Sub-Assy No.1
      G03072125Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE AIR CLEANER CAP SUB-ASSY 
    1. Disconnect the mass air flow meter connector.
    2. Disconnect the VSV connector.
    3. Remove the wire harness clamp.
      Fig 2: Removing Air Cleaner Cap Sub-Assy
      G03072126Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the ventilation hose No. 2 from the cylinder head cover.
      Fig 3: Disconnecting Ventilation Hose No. 2
      G03072127Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Disconnect the fuel vapor feed hose No. 1 from the VSV.
      Fig 4: Disconnecting Fuel Vapor Feed Hose No. 1
      G03072128Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Disconnect the fuel vapor feed hose No. 2 from the throttle body.
      Fig 5: Disconnecting Fuel Vapor Feed Hose No. 2
      G03072129Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Lock the air cleaner hose clamp No. 1, then disconnect the air cleaner hose No. 1 from the throttle body.
      Fig 6: Disconnecting Air Cleaner Hose No. 1 From Throttle Body
      G03072130Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Unfasten the 2 hook clamps, then remove the air cleaner cap.
      Fig 7: Removing Air Cleaner Cap
      G03072131Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Remove the air cleaner filter element from the air cleaner case.
      Fig 8: Removing Air Cleaner Filter Element From Air Cleaner Case
      G03072132Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE THROTTLE BODY ASSY 
    1. Disconnect the water bypass hose from the throttle body.
      Fig 9: Disconnecting Water By-Pass Hose From Throttle Body
      G03072133Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the water bypass hose No. 2 from the throttle body.
      Fig 10: Disconnecting Water By-Pass Hose No. 2 From Throttle Body
      G03072134Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the throttle body hose No. 1 from the throttle body.
      Fig 11: Disconnecting Throttle Body Hose No. 1 From Throttle Body
      G03072135Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the throttle control motor connector.
    5. Remove the wire harness clamp.
    6. Remove the fuel tube from the clamp.
      Fig 12: Removing Fuel Tube From Clamp
      G03072136Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Remove the 4 bolts, then remove the fuel pipe support and throttle body.
      Fig 13: Removing Fuel Pipe Support And Throttle Body
      G03072137Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Remove the gasket from the intake manifold.
      Fig 14: Removing Gasket From Intake Manifold
      G03072138Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL THROTTLE BODY ASSY 
    1. Install a new gasket onto the intake manifold.
      Fig 15: Installing Throttle Body Assy
      G03072139Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the throttle body and fuel pipe clamp with the 4 bolts.
      1. Torque: 30 N.m (305 kgf.cm, 22 ft.lbf) 
      Fig 16: Installing Throttle Body And Fuel Pipe Clamp
      G03072140Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Fit the fuel tube into the clamp.
    4. Install the wire harness clamp.
    5. Connect the throttle control motor connector.
      Fig 17: Connecting Throttle Control Motor Connector
      G03072141Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Connect the throttle body hose No. 1 to the throttle body.
      Fig 18: Connecting Throttle Body Hose No. 1
      G03072142Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Connect the water bypass hose No. 2 to the throttle body.
      NOTE: Make sure that the paint mark and hose clamp are at the correct angle when installing.
      Fig 19: Connecting Water By-Pass Hose No. 2
      G03072143Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Connect the water bypass hose to the throttle body.
      NOTE: Make sure that the paint mark and hose clamp are at the correct angle when installing.
      Fig 20: Connecting Water By-Pass Hose To Throttle Body
      G03072144Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL AIR CLEANER CAP SUB-ASSY 
    1. Install the air cleaner filter element onto the air cleaner case.
      NOTE: Make sure that the air cleaner filter element is in the correct direction when installing.
      Fig 21: Installing Air Cleaner Cap Sub-Assy
      G03072145Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Insert the hinge part of the air cleaner cap into the air cleaner case, then hung the 2 hook clamps.
      Fig 22: Inserting Hinge Part Of Air Cleaner Cap Into Air Cleaner Case
      G03072146Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Align the matchmarks of the air cleaner hose No. 1 and throttle body, then connect the air cleaner hose No. 1 to the throttle body and unfasten the air cleaner hose clamp No. 1.
      NOTE: Make sure that the hose clamp is at the correct angle when installing.
      Fig 23: Aligning Matchmarks Of Air Cleaner Hose No. 1 And Throttle Body
      G03072147Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the fuel vapor feed hose No. 2 to the throttle body.
      NOTE: Make sure that the paint mark and hose clamp are at the correct angle when installing.
      Fig 24: Connecting Fuel Vapor Feed Hose No. 2 To Throttle Body
      G03072148Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Connect the fuel vapor feed hose No. 1 to the VSV.
      NOTE: Make sure that the paint mark and hose clamp are at the correct angle when installing.
      Fig 25: Connecting Fuel Vapor Feed Hose No. 1
      G03072149Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Connect the ventilation hose No. 2 to the cylinder head cover.
      NOTE: Make sure that the paint mark and hose clamp are at the correct angle when installing.
      Fig 26: Connecting Ventilation Hose No. 2
      G03072150Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Install the wire harness clamp.
    8. Connect the VSV connector.
    9. Connect the mass air flow meter connector.
      Fig 27: Installing Wire Harness Clamp
      G03072151Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. CONNECT BATTERY NEGATIVE TERMINAL 
    1. Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf) 
  9. ADD ENGINE COOLANT (see  ENGINE COOLANT (2AZ-FE)  ) 
  10. CHECK FOR ENGINE COOLANT LEAKAGE (see  COOLING SYSTEM (2AZ-FE)  ) 
  11. INSTALL ENGINE COVER SUB-ASSY NO.1 
    1. Install the engine cover No. 1 with the 2 nuts.
      1. Torque: 7.0 N.m (70 kgf.cm, 62 in.lbf) 
      Fig 28: Installing Engine Cover Sub-Assy No.1
      G03072152Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002