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Throttle Body: Inspection: Inspection

  1. INSPECT THROTTLE BODY ASSEMBLY 
    1. Check the throttle valve.
      1. Check that the throttle valve opens and closes smoothly.
      2. Check that there is no sludge accumulating around the throttle body.
    2. Check the throttle control motor.
      Fig 1: Identifying Terminals Of Throttle Body Connector
      GTY147855Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. 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 throttle body assembly.

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