REMOVAL AND INSTALLATION


The service procedures other than described below are basically the same as for 4B1-Except PHEV. (Refer to GROUP 13A - Throttle Body Assembly ).
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
Post-installation operation

  • Engine Coolant Draining (Refer to GROUP 14A - On-vehicle Service, Engine Coolant Replacement ).
  • Air Cleaner Body Removal (Refer to GROUP 15 - Air Cleaner ).


  • Air Cleaner Body Installation (Refer to GROUP 15 - Air Cleaner ).
  • Engine Coolant Refilling (Refer to GROUP 14A - On-vehicle Service, Engine Coolant Replacement ).