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On-Vehicle Inspection [11/2021 - ]: Procedure

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  1. INSPECT INTAKE SYSTEM 

    HINT: 

    Perform "Inspection After Repair" after repairing vacuum leaks in the intake system.

    Refer to INITIALIZATION [11/2021 - ]

    1. Check that there are no vacuum leaks at the points shown in the illustration.
      GTY1084413Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. PERFORM INITIALIZATION 
    1. Perform "Inspection After Repair" after repairing vacuum leaks in the intake system.

      Refer to INITIALIZATION [11/2021 - ]

  3. INSPECT INTAKE AIR CONTROL VALVE ACTUATOR 
    1. Disconnect the vacuum hose.
      GTY500889Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Confirm that the intake air control valve closes smoothly under vacuum and opens smoothly when the vacuum is released.

      If the intake air control valve does not close or open smoothly, replace the air cleaner assembly.

      GTY1083999Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Vacuum applied
      *b Vacuum released
      *c Valve
    3. Connect the vacuum hose.
  4. INSPECT NO. 1 VACUUM SWITCHING VALVE ASSEMBLY 
    1. Disconnect the No. 1 vacuum switching valve assembly connector.
      GTY500890Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the 2 vacuum hoses from the No. 1 vacuum switching valve assembly.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 20°C (68°F) 37 to 44 Ω
      1 - Body ground Always 10 kΩ or higher
      2 - Body ground Always 10 kΩ or higher
      GTY505587Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Body Ground

      If the result is not as specified, replace the air cleaner assembly.

    4. Check the operation of the No. 1 vacuum switching valve assembly.
      1. When vacuum is applied to the port (E), check that air is sucked into the filter.

        If air is not sucked into the filter, replace the air cleaner assembly.

        GTY509363Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Filter
        *b Port (E)
        *c Air
      2. Apply battery voltage across the terminals. When vacuum is applied to the port (F), check that air is sucked into the port (E).

        If air is not sucked into the port (F), replace the air cleaner assembly.

        GTY515396Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Port (E)
        *b Port (F)
        *c Air
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