Throttle Body: Installation: Installation

INSTALL THROTTLE BODY
1. Install a new gasket to the intake air surge tank assembly.
  
  Fig 1: New Gasket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  TEXT IN ILLUSTRATION
  
  *1 Recess
2. Install the throttle body and wire harness clamp stay to the intake air surge tank assembly with the 4 bolts.
  
  Fig 2: Location of Throttle Body Connector And Wire Harness Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
3. Connect the throttle body connector and wire harness clamp.
4. Connect the 2 water by-pass hoses to the throttle body.
  
  Fig 3: Location of Water By-Pass Hoses
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSTALL AIR CLEANER ASSEMBLY

Insert the tab of the air cleaner assembly to the hole of the vehicle body as shown in the illustration.

Fig 4: Tab Of The Air Cleaner Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TEXT IN ILLUSTRATION

*1	Tab
*2	Hole

Install the air cleaner assembly with the 2 bolts.

Fig 5: Remove The 2 Bolts
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Connect the air cleaner hose to the throttle body with the hose clamp.

Fig 6: Location of Ventilation Hose And The Fuel Vapor Feed Hose

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TEXT IN ILLUSTRATION

*1	Ventilation Hose
*2	Fuel Vapor Feed Hose

Connect the ventilation hose and the fuel vapor feed hose.
Connect the 2 vacuum hoses.

Fig 7: Location of 2 Vacuum Hoses
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Connect the 2 wire harness clamps and vacuum switching valve connector.

Fig 8: Identifying Vacuum Switching Valve Connector And 2 Wire Harness Clamps
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Connect the vacuum hose to the intake air surge tank assembly.

Fig 9: Location of Vacuum Hose
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Install the hose to the hose clamp.
Connect the mass air flow meter connector and wire harness clamp.

Fig 10: Location of Mass Air Flow Meter Connector And Wire Harness Clamp
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSTALL BATTERY . Refer to INSTALLATION - Step 70
INSTALL NO. 1 AIR CLEANER INLET . Refer to INSTALLATION - Step 71
INSTALL NO. 2 AIR CLEANER INLET . Refer to INSTALLATION - Step 72
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
NOTE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to INITIALIZATION .
ADD ENGINE COOLANT . Refer to REPLACEMENT - Step 7
INSPECT FOR ENGINE COOLANT LEAK . Refer to ON-VEHICLE INSPECTION - Step 1
INSTALL OUTER COWL TOP PANEL SUB-ASSEMBLY . Refer to INSTALLATION - Step 12
INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY
1. Install the windshield wiper motor and link assembly. Refer to INSTALLATION .
INSTALL V-BANK COVER SUB-ASSEMBLY . Refer to INSTALLATION - Step 109
INSTALL NO. 1 ENGINE UNDER COVER

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 is cleaned.

Disconnect the cable from the negative (-) battery terminal. Wait at least 60 seconds and reconnect the cable.
Turn the engine switch on (IG) 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	600 to 700 RPM

NOTE:

Be sure to perform this step with all accessories off.
Make sure that the shift lever is in N.

Enter the following menus: Powertrain/ Engine / Data List/ Throttle Sensor Position. 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.