THROTTLE BODY ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT THROTTLE BODY ASSEMBLY

   
   

   1. Check the idle speed.

      
      

      1. Start the engine and check that the MIL is not illuminated. After the engine is warmed up, check that the idle speed is within the specified range with the A/C switch off.

         Standard
         770 to 870 rpm

         Note

         
         

         • Be sure to perform this step with all accessories off.

         • Make sure that the shift lever is in neutral.

      2. Perform a road test and confirm that there are no abnormalities.

   2. Inspect the throttle position sensor.

      
      

      1. Connect the GTS to the DLC3.

      2. Start the engine.

      3. Turn the GTS on.

      4. Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Throttle Sensor Position.

      5. Depress the accelerator pedal. When the throttle valve is fully open, check that the value of Throttle Sensor Position is as specified.

         Standard Throttle Valve Opening Percentage
         GTS Display Specified Condition Throttle Sensor Position 60% or higher

         Note

         
         

         • When checking the throttle valve opening percentage, the shift lever should be in neutral.

         • Fully depress the accelerator pedal.

         If the percentage is less than 60%, replace the throttle body assembly.