Lexus IS250 · Service Manual ENGINE

INSPECTION

Inspection


INSPECT VACUUM SWITCHING VALVE (for EVAP)

  1. A125002E02
    Measure the resistance of the VSV.

    Standard resistance:
    Tester Connection
    		 Specified Condition
    1 - 2
    		 26 to 30 Ω at 20°C (68°F)
    1 - Body ground
    2 - Body ground
    		 10 MΩ or higher

    If the result is not as specified, replace the VSV.

  1. Check operation of the VSV.

    1. A128625E01
      Check that air does not flow from port E to port F.

    2. A125004E01
      Apply battery voltage across terminals 1 and 2.

    3. Check that air flows from port E to port F.
      If the result is not as specified, replace the VSV.

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