Throttle Body: Installation: Installation

WARNING: This page is about a different variant/trim than selected.

INSTALL THROTTLE BODY ASSEMBLY

for Type A:

Install a new gasket onto the intake manifold.

Fig 1: Identifying Intake Manifold Gasket Orientation

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

Orient the protrusion of the gasket as shown in the illustration.

TEXT IN ILLUSTRATION

*a	Protrusion

Install the throttle body assembly with the 2 bolts and 2 nuts.

Fig 2: Locating Throttle Body Assembly Bolts
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
Connect the 2 water by-pass hoses and the connector.

Fig 3: Locating Throttle Body Connector And Water By-Pass Hoses
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

for Type B:

Install a new gasket onto the intake manifold.

Fig 4: Identifying Intake Manifold Gasket Orientation

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

Orient the protrusion of the gasket as shown in the illustration.

TEXT IN ILLUSTRATION

*a	Protrusion

Install the throttle body assembly with the 4 bolts.

Fig 5: Identifying Throttle Body Assembly Bolts
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
Connect the 2 water by-pass hoses and connector.

Fig 6: Locating Throttle Body Connector And Water By-Pass Hoses
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSTALL AIR CLEANER CAP SUB-ASSEMBLY WITH HOSE
1. Engage the 2 clamps to install the air cleaner cap sub-assembly with hose.
  
  Fig 7: Identifying Air Cleaner Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Connect the air cleaner cap sub-assembly with hose and tighten the hose clamp.
  
  Fig 8: Locating Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 2.0 N*m (20 kgf*cm, 18 in.*lbf)
3. Connect the ventilation hose to the cylinder head cover sub-assembly.
  
  Fig 9: Locating No. 2 Ventilation Hose
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Connect the 2 wire harness clamps and connector.
  
  Fig 10: Identifying wire harness clamps and connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
ADD ENGINE COOLANT . Refer to REPLACEMENT - Step 2
INSPECT FOR COOLANT LEAK . Refer to ON-VEHICLE INSPECTION - Step 1
INSTALL NO. 2 CYLINDER HEAD COVER . Refer to INSTALLATION - Step 85

PERFORM INITIALIZATION

NOTE:

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 assembly is cleaned.

Disconnect the cable from the negative (-) battery terminal. Wait at least 60 seconds and reconnect the terminal.
Turn the ignition switch to ON without operating the accelerator pedal assembly.
NOTE:
If the accelerator pedal assembly 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 and the engine is warmed up.

Standard

Condition	Engine Idle Speed
A/C switched off	600 to 700 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 ECT/ Data List/ Throttle Pos. 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.