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Inspection [12/2013 - ]: Procedure

  1. INSPECT NO. 1 VACUUM SWITCHING VALVE 
    1. Check the No. 1 vacuum switching valve for an open circuit.
      1. Measure the resistance according to the value(s) in the table below.
        GTY440065Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Component without harness connected
        (No. 1 Vacuum Switching Valve)

        Standard Resistance

        Tester Connection Condition Specified Condition
        1 - 2 20°C (68°F) 23 to 26 Ω
        1 - Body ground Always 10 MΩ or higher
        2 - Body ground Always 10 MΩ or higher

        If the result is not as specified, replace the No. 1 vacuum switching valve.

    2. Check the operation of the No. 1 vacuum switching valve.
      GTY450589Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check that air does not flow from the port (E) to port (F) as shown in the illustration.

        If the result is not as specified, replace the No. 1 vacuum switching valve.

      2. Apply battery voltage between the terminals.
        GTY447047Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Check that air flows from the port (E) to port (F) as shown in the illustration.

        If the result is not as specified, replace the No. 1 vacuum switching valve.

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