Installation

3UZ-FE ENGINE CONTROL SYSTEM: THROTTLE BODY: INSTALLATION

INSTALLATION

1. INSTALL THROTTLE BODY





(a) Install a new gasket and the throttle body with the 2 bolts and 2 nuts.
Torque: 18 Nm (184 kgf-cm, 13 ft-lbf)
(b) Connect the 2 water by-pass hoses.
(c) Connect the ventilation hose.
(d) Connect the connector.





2. INSTALL INTAKE AIR CONNECTOR PIPE
(a) Install the connector pipe with the bolt and 2 hose clamps.
Torque: 4.0 Nm (41 kgf-cm, 35 in-lbf) for hose clamps
Torque: 5.0 Nm (51 kgf-cm, 44 in-lbf) for bolt
(b) Connect the air hose and No. 1 ventilation hose.
3. INSTALL NO. 1 AIR CLEANER INLET
(a) Install the air cleaner inlet with the bolt.
Torque: 5.0 Nm (51 kgf-cm, 44 in-lbf)





4. INSTALL V-BANK COVER
(a) Install the cover with the 2 clips.
(b) Install the 2 nuts.
Torque: 5.0 Nm (51 kgf-cm, 44 in-lbf)
5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
6. PERFORM INITIALIZATION
NOTICE:
- 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.

(a) Disconnect the EFI fuse and ETCS fuse at the same time. Wait at least 60 seconds and reconnect the fuses.
(b) Turn the ignition switch to ON without operating the accelerator pedal.
NOTE:
If the accelerator pedal is operated, perform the above steps again.

(c) Connect the Techstream to the DLC3 and clear the DTCs DTC Check / Clear.
(d) 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:





NOTICE:
- Be sure to perform this step with all accessories off.
- Make sure that the shift lever is in N of P.

(e) 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.
(f) Perform a road test and confirm that there are no abnormalities.
7. ADD ENGINE COOLANT Service and Repair
8. CHECK FOR ENGINE COOLANT LEAKS Testing and Inspection