DIESEL THROTTLE BODY INSPECTION

PROCEDURE


  1. INSPECT DIESEL THROTTLE BODY ASSEMBLY


    1. A005HQOE05
      Text in Illustration
      *a

      Component without harness connected

      (Diesel Throttle Body)

      Inspect the diesel throttle valve.

      Tech Tips

      Perform this inspection with the engine off.


      1. Turn the ignition switch off.

      2. Remove the air cleaner hose.

      3. Visually confirm the position of the throttle valve in the diesel throttle body assembly.

        OK
        Partially open

        If the valve is fully open or fully closed, replace the diesel throttle body assembly.

      4. Turn the ignition switch to ON.

      5. Visually confirm the position of the throttle valve in the diesel throttle body assembly.

        OK
        Fully open

        If the result is not OK, replace the diesel throttle body assembly.

      6. Visually confirm the motion of the throttle valve in the diesel throttle body assembly when the ignition switch is turned from ON to off.

        OK
        Throttle valve should move from fully open to fully closed and then to partially open.

        If the result is not OK, replace the diesel throttle body assembly.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 (M-) - 2 (M+) 20°C (68°F) 0.3 to 100 Ω

      If the result is not as specified, replace the diesel throttle body assembly.