2006 Scion xB AutomaticFACTORY OEM SERVICE PROCEDURE

Throttle Body: Installation

  1. INSTALL THROTTLE BODY ASSEMBLY 
    1. Connect the No. 1 water by-pass hose.
    2. Connect the No. 2 water by-pass hose.
    3. Install a new gasket into the intake manifold.
      Fig 1: Installing A New Gasket Into Intake Manifold
      G04225751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Install the throttle body and accelerator control bracket with the bolt and 2 nuts.

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

    5. Install the wire harness clamp.
    6. Connect the throttle position sensor connector (for manual transaxle).
    7. Connect the IAC valve connector.
      Fig 2: Installing Wire Harness Clamp
      G04225752Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL TRANSMISSION OIL FILLER TUBE SUBASSEMBLY (for Automatic Transaxle) 
    1. Install a new O-ring onto the transmission oil filler tube.
    2. Install the transmission oil filler tube with the bolt.

      Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf) 

    3. Install the oil cooler tube clamp with the bolt.

      Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf) 

    4. Connect the hose.
    5. Connect the throttle position sensor connector.
    6. Install the oil dipstick.
      Fig 3: Connecting Throttle Position Sensor Connector
      G04225753Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL ACCELERATOR CONTROL CABLE ASSEMBLY 
    1. Install the accelerator control cable as shown in the illustration.
      Fig 4: Installing Accelerator Control Cable
      G04225754Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 13 N*m (133 kgf*cm, 10 ft.*lbf) 

  4. INSTALL AIR CLEANER ASSEMBLY 
    1. Install the air cleaner case to the air cleaner bracket with the 3 bolts.

      Torque: 7.8 N*m (80 kgf*cm, 69 in.*lbf) 

    2. Connect the air cleaner inlet to the engine compartment with the bolt.

      Torque: 7.5 N*m (76 kgf*cm, 66 in.*lbf) 

      Fig 5: Connecting Air Cleaner Inlet To Engine Compartment With Bolt
      G04225755Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Tighten the hose clamp.
    4. Connect the MAF meter connector.
    5. Connect the purge VSV connector.
    6. Attach the wire harness clamp.
    7. Connect the No. 2 purge line hose.
    8. Connect the ventilation hose.
    9. Connect the No. 1 purge line hose.
    10. Lock the 2 clamp hooks.
      Fig 6: Connecting Ventilation Hose
      G04225756Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  6. ADD ENGINE COOLANT (See  ON-VEHICLE INSPECTION  ) 
  7. CHECK FOR ENGINE COOLANT LEAKS 
    1. Check for engine coolant leaks (See ON-VEHICLE INSPECTION ).
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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.

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