Throttle Body: Installation: Installation

INSTALL THROTTLE BODY ASSEMBLY
1. Install the No. 4 water by-pass hose to the throttle body.
  
  Fig 1: Identifying No. 4 Water By-Pass Hose, Clip & Alignment Mark
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  When installing the hose, make sure the paint mark and clip are as shown in the illustration.
2. Install the No. 12 water by-pass hose to the throttle body.
  
  Fig 2: Identifying No. 12 Water By-Pass Hose, Clip & Alignment Mark
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  When installing the hose, make sure the paint mark and clip are as shown in the illustration.
3. Install a new gasket to the intake air surge tank.
  
  Fig 3: Identifying Gasket Protrusion & Surge Tank Groove
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  Align the protrusion of the gasket with the groove of the intake air surge tank.
4. Install the throttle body with the 4 bolts.
  
  Fig 4: Locating Bolts & Throttle Body
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
5. Connect the throttle position sensor and control motor connector.
  
  Fig 5: Locating Water By-Pass Hoses, Clips, Alignment Marks & Throttle Position Sensor
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Connect the 2 water by-pass hoses.
  HINT:
  
  When connecting the hoses, make sure the paint marks and clips are as shown in the illustration.
INSTALL AIR CLEANER HOSE ASSEMBLY . Refer to INSTALLATION - Step 46
ADD ENGINE COOLANT . Refer to REPLACEMENT - Step 3
INSPECT FOR COOLANT LEAK . Refer to ON-VEHICLE INSPECTION - Step 1
INSTALL ENGINE UNDER COVER NO. 1 . Refer to REPLACEMENT - Step 8
INSTALL V-BANK COVER SUB-ASSEMBLY . Refer to INSTALLATION - Step 55

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.

Disconnect the EFI NO. 1 fuse at the same time. Wait at least 60 seconds and reconnect the fuses.
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.
Connect the Techstream to the DLC3 and clear the DTCs. Refer to DTC CHECK / CLEAR .

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.

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.
Perform a road test and confirm that there are no abnormalities.