REMOVAL AND INSTALLATION


caution
  • When the throttle body assembly replacement is performed, idling speed may be unstable because the MPI engine learning is not completed. To make it stable, make the system learn the idling (Refer to GROUP 00, Precautions before Service - Learning Procedure for Idling in MPI Engine ).
  • Do not loosen the fixing screws for the resin cover of throttle body assembly. If the screws are loosened, the sensor incorporated in the resin cover becomes misaligned and the throttle body cannot work normally.
Pre-removal Operation
  • Strut Tower Bar Removal (Refer to GROUP 42, Strut Tower Bar ).
  • Engine Cover Removal (Refer to GROUP 11E, Camshaft and Valve Stem Seal ).
  • Engine Coolant Draining (Refer to GROUP 14, On-vehicle Service - Engine Coolant Replacement ).
  • Air Cleaner Intake Duct, Air Cleaner Assembly and Air Cleaner Duct Assembly Removal (Refer to GROUP 15, Air Cleaner ).
  • Air Hose D and Air Pipe B Removal (Refer to GROUP 15, Intercooler ).

 Post-installation Operation
  • Air Pipe B and Air Hose D Installation (Refer to GROUP 15, Intercooler ).
  • Air Cleaner Intake Duct, Air Cleaner Assembly and Air Cleaner Duct Assembly Installation (Refer to GROUP 15, Air Cleaner ).
  • Engine Coolant Supplying (Refer to GROUP 14, On-vehicle Service - Engine Coolant Replacement ).
  • Engine Cover Installation (Refer to GROUP 11E, Camshaft and Valve Stem Seal ).
  • Strut Tower Bar Installation (Refer to GROUP 42, Strut Tower Bar ).




Removal steps

>>B<<
 ·
 Initialisation (Installation only)


1.
 Electronic-controlled throttle valve connector connection


2.
 Water hose connection


3.
 Harness bracket


4.
 Throttle body assembly

>>A<<
 5.
 Throttle body gasket

INSTALLATION SERVICE POINTS

>>A<< THROTTLE BODY GASKET INSTALLATION

Install the throttle body gasket as its protrusion is in the direction shown.

>>B<< INITIALISATION
When the throttle body is installed, removed or replaced, initialise the electronic-controlled throttle valve system according to the procedure below beforehand.
1.Turn the ignition switch from "ON" position to "LOCK" (OFF) position, and then hold "LOCK" (OFF) position for approximately 10 seconds or more.