On-Vehicle Inspection

CHECK THROTTLE BODY
1. Check the throttle control motor operating sounds.
  1. Turn the ignition switch ON.
  2. When depressing the accelerator pedal, check the operating sound of the running motor. Make sure that no friction noises emit from the motor. If friction noise exists, replace the throttle body.
2. Check the throttle position sensor.
  1. Connect the intelligent tester or Techstream to the DLC3.
  2. Turn the ignition switch ON.
  3. Push the tester main switch ON.
  4. Enter the following menus:
    - Intelligent tester - Select: DIAGNOSIS / ENHANCED OBD II / DATA LIST / PRIMARY / THROTTLE POS.
    - Techstream - Select: Powertrain / Engine and ECT / Data List / All Data / Throttle Sensor Position.
  5. Depress the accelerator pedal. When the throttle valve is fully opened, check that the value of the "THROTTLE POS (Throttle Sensor Position)" is within the specification.
    Standard throttle valve opening percentage: 60% or more
    
    HINT:
    
    When checking the standard throttle valve opening percentage, the shift lever should be in the N position.
    
    If the percentage is less than 60%, replace the throttle body.