Removal and Replacement

Throttle Body Assembly Replacement

Removal Procedure

Caution: Handle the electronic throttle control components carefully. Use cleanliness in order to prevent damage. Do not drop the electronic throttle control components. Do not roughly handle the electronic throttle control components. Do not immerse the electronic throttle control components in cleaning solvents of any type.

Note:
* DO NOT for any reason, insert a screwdriver or other small hand tool into the throttle body to hold open the throttle plate as a wedge, as the inside of the throttle body could be damaged.
* An 8-digit part identification number is stamped on the throttle body casting. Refer to this number, if servicing or part replacement is required.




1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement (Service and Repair).
2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (Service and Repair).
3. Disconnect the electronic throttle control (ETC) electrical connector (2).




4. Remove the heater inlet and outlet pipe clip nuts from the throttle body studs.
5. Reposition the heater inlet and outlet hose clamps at the engine pipes.
6. Reposition the heater inlet and outlet hose/pipe.




7. Remove the throttle body bolts/studs.
8. Remove the throttle body.
9. Remove and discard the throttle body gasket.

Installation Procedure

Note: DO NOT reuse the throttle body gasket. Install a NEW gasket during assembly.




1. Install a NEW throttle body gasket. Align the locating tab of the gasket with the notch in the manifold.
2. Position the throttle body to the intake manifold.

Caution: Refer to Fastener Caution (Fastener Caution).

3. Install the throttle body bolts.

Tighten the bolts to 10 Nm (89 lb in).




4. Position the heater inlet and outlet hose/pipe.
5. Position the heater inlet and outlet hose clamps at the engine pipes.
6. Install the heater inlet and outlet pipe clip nuts to the throttle body studs.

Tighten the nuts to 10 Nm (89 lb in).





Note: Verify that the throttle actuator motor harness connector and the connector seal are properly installed and not damaged.

7. Connect the ETC electrical connector (2).
8. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (Service and Repair).
9. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement (Service and Repair).
10. Connect a scan tool in order to test for proper throttle opening and throttle closing ranges.
11. Operate the accelerator pedal and monitor the throttle angles. The accelerator pedal should operate freely, without binding, between closed throttle, and wide open throttle (WOT).
12. Verify that the vehicle meets the following conditions:

* The vehicle is not in a reduced engine power mode.
* The ignition is ON.
* The engine is OFF.