VSV For Pressure Switching Valve: Inspection

1. Inspect the VSV for open circuit.

   Using an ohmmeter, check that there is continuity between the terminals.

   Fig 1: Inspecting Continuity Of VSV For Open Circuit (1 Of 2)

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   If there is no continuity, replace the VSV.

   Fig 2: Inspecting Continuity Of VSV For Open Circuit (2 Of 2)

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2. Inspect the VSV for ground.

   Check that there is no continuity between each terminals and the body.

   If there is continuity, replace the VSV.

   Fig 3: Inspecting VSV For Ground Circuit

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Inspect the VSV operation.
   1. Check that the air does not from port E to F.
      Fig 4: Inspecting VSV Operation (1 Of 2)

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Apply battery positive voltage across the terminals.
   3. Check that the air flows from port E to F.

Fig 5: Inspecting VSV Operation (2 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If operation is not specified, replace the VSV.