THROTTLE BODY ON-VEHICLE INSPECTION

PROCEDURE


  1. INSPECT THROTTLE BODY WITH MOTOR 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
        600 to 800 rpm

        Note


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

        • Make sure that the shift lever is in P or N.

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

    2. Inspect the throttle position sensor.


      1. Warm up the engine.

      2. Turn the A/C switch off.

      3. Turn the engine switch off.

      4. Connect the GTS to the DLC3.

      5. Turn the engine switch on (IG).

      6. Turn the GTS on.

      7. Enter the following menus: Powertrain / Engine / Data List / Throttle Sensor Position.


        Powertrain > Engine > Data List
        Tester Display
        Throttle Sensor Position
      8. Depress the accelerator pedal. When the throttle valve is fully open, check that the Throttle Sensor Position value is as specified.

        Standard Throttle Valve Opening Percentage
        Tester Display Condition Specified Condition
        Throttle Sensor Position Accelerator pedal fully released 0%
        Accelerator pedal fully depressed (engine running) 50 to 80%

        If the is not as specified, replace the throttle body with motor assembly.