Throttle Body: Replacement

NOTE:

Do not give a shock to the throttle position senor.
Do not disassemble or adjust the throttle opener.

REPLACE THROTTLE POTION SENSOR
1. Remove the 2 screws and throttle position sensor.
  
  Fig 1: Removing Throttle Position Sensor
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reinstall a new throttle position sensor.
  1. Check that the throttle valve is fully close.
  2. Insert the sensor to the throttle body with it turned counterclockwise by 30° to 60° against the fully-close valve position.
  3. By turning the sensor clockwise, tighten the 2 screws.
Fig 2: Installing Throttle Position Sensor
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REPLACE IAC VALVE
1. Remove the 4 screws, bracket, IAC valve and gasket.
2. Place a new gasket on the No.1 throttle body.
3. Reinstall a new IAC valve with the 4 screws and bracket.
Fig 3: Removing IAC Valve
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REPLACE THROTTLE BODIES
1. Remove the 2 screws and protector.
  
  Fig 4: Removing Protector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 6 screws, No.1 throttle body, No.2 throttle body and 2 gaskets from the No.1 intake air control valve.
  
  Fig 5: Removing Throttle Body
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Place 2 new gaskets and 2 new O-rings as shown in Fig 6 .
  
  Fig 6: Placing Gaskets And O-Rings
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Reinstall a new No.1 throttle body and No.2 throttle body with the 6 screws.
  Torque: 6.9 N.m (70 kgf.cm, 61 in.lbf)
Fig 7: Installing Throttle Body
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002