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Throttle Body: Inspection

  1. INSPECT THROTTLE BODY ASSEMBLY 
    1. Check that the throttle valve opens and closes smoothly.
    2. Check that the there is no sludge accumulating around the throttle body
    3. Measure the resistance according to the value (s) in the table below

      Standard resistance 

      STANDARD RESISTANCE

      Tester Connection Condition Specified Condition
      1 (M-) - 2 (M+) 20°C (68°F) 0.3 to 100 Ω
      3 (E2) - 5 (VC) 20°C (68°F) 2.0 to 4.0 kΩ
      Fig 1: Identifying Throttle Body Connector Terminal
      G05771222Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

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