Installation

1NR-FE ENGINE CONTROL: THROTTLE BODY: INSTALLATION

1. INSTALL THROTTLE WITH MOTOR BODY ASSEMBLY

(a) Install a new gasket onto the upper intake manifold sub-assembly.

(b) Temporarily install the throttle with motor body assembly onto the upper intake manifold sub-assembly with the 4 bolts.





NOTICE:
If a component has been dropped or subjected to a strong impact, replace it.

(c) Tighten the 4 bolts in the order shown in the illustration.

Torque : 10 Nm (102 kgf-cm, 7 ft-lbf)

(d) Connect the connector of the throttle with motor body assembly.

2. CONNECT WATER BY-PASS HOSE ASSEMBLY

(a) Connect the water by-pass hose assembly to the throttle with motor body assembly with the hose clamp.





Text in Illustration





HINT
* Line up the rib of the throttle with motor body assembly with the center of the paint mark.
* Perform the installation with the hose clamp and mark at the correct angle.

3. CONNECT NO. 2 WATER BY-PASS HOSE

(a) Connect the No. 2 water by-pass hose to the throttle with motor body assembly with the hose clamp.





Text in Illustration





HINT
* Line up the rib of the throttle with motor body assembly with the center of the paint mark.
* Perform the installation with the hose clamp and mark at the correct angle.

4. CONNECT NO. 1 AIR CLEANER HOSE

(a) Connect the No. 1 air cleaner hose to the throttle with motor body assembly with the hose clamp.





Text in Illustration





Torque : 3.0 Nm (31 kgf-cm, 27 in-lbf)

HINT
Install the clamp positioned against the air cleaner hose assembly tab as shown in the illustration.

(b) Connect the No. 2 ventilation hose to the cylinder head cover sub-assembly with the hose clamp.

HINT
The protrusion of the cylinder head cover sub-assembly should overlap the paint mark of the hose.

5. ADD ENGINE COOLANT Service and Repair

6. INSPECT FOR COOLANT LEAK Testing and Inspection

7. PERFORM INITIALIZATION

NOTICE:
Perform the following procedure after replacing the ECM, throttle with motor body assembly or any throttle body components. The following procedure should also be performed if the throttle body is cleaned.

(a) Disconnect the cable from the negative (-) battery terminal. Wait at least 60 seconds and reconnect the cable.

(b) Turn the ignition switch to ON without operating the accelerator pedal.

NOTICE:
If the accelerator pedal is operated, perform the above steps again.

(c) Connect the Techstream to the DLC3 and clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(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:





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

(e) Enter the following menus: Powertrain / Engine and ECT / Data List / Throttle Pos. Sensor Output.

(f) Fully depress the accelerator pedal and check that the value is 60% or more.

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