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On-Vehicle Inspection

  1. INSPECT THROTTLE WITH MOTOR BODY ASSEMBLY 
    1. Check the throttle control motor operating sounds.
      1. Turn the ignition switch to ON.
      2. When pressing the accelerator pedal, listen for sounds of the motor running. Make sure no friction noise comes from the motor.
    2. Check the throttle position sensor.
      1. Connect an intelligent tester to the DLC3.
      2. Turn the ignition switch to ON.
      3. Push the intelligent tester main switch ON.
      4. Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DATA LIST / THROTTLE POS.
      5. Depress the accelerator pedal. When the throttle valve is fully open, check that the value of the "THROTTLE POS" is within the specifications.

        Standard throttle valve opening percentage: 60% or more 

        NOTE: When checking the standard throttle valve opening percentage, the shift lever should be in the neutral position.

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

        Fig 1: Connecting Intelligent Tester To DLC3
        G04828363Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002