REMOVAL AND INSTALLATION



caution
  • When the throttle body assembly is replaced, initialise the learned value using M.U.T.-III (Refer to GROUP 00 - Precautions before Service, Initialisation Procedure for Learning Value in MPI Engine ).
  • Never loosen the screw fixing the throttle body assembly resin cover. If the screw is loosened, the sensor incorporated in the resin cover is misaligned and the throttle body assembly does not work normally.
Pre-removal operation
  • Engine Upper Cover Removal (Refer to GROUP 11A - Camshaft ).
  • Engine Coolant Draining (Refer to GROUP 14A - On-vehicle Service, Engine Coolant Replacement ).
  • Air Cleaner Intake Hose Removal (Refer to GROUP 15 - Air Cleaner ).

Post-installation operation
  • Air Cleaner Intake Hose Installation (Refer to GROUP 15 - Air Cleaner ).
  • Engine Coolant Refilling (Refer to GROUP 14A - On-vehicle Service, Engine Coolant Replacement ).
  • Engine Upper Cover Installation (Refer to GROUP 11A - Camshaft ).





Removal steps

>>B<<
·
Initialisation operation <only at installation>


1.
Electronic control throttle valve connector connection


2.
Control wiring harness clip connection


3.
Battery cable clip connection


4.
Throttle body water feed hose connection


5.
Throttle body water return hose connection


6.
Throttle body stay


7.
Throttle body wiring harness connector bracket


8.
Throttle body assembly

>>A<<
9.
Throttle body gasket

INSTALLATION SERVICE POINTS



>>A<< THROTTLE BODY GASKET INSTALLATION



Fit the throttle body gasket in the inlet manifold groove securely with neither twisting nor damage given.

>>B<< INITIALISATION OPERATION


Turn the ignition switch to the "ON" position and then to "LOCK" (OFF) position and hold it for at least 10 seconds.