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VSV For Vapor Pressure Sensor: Inspection

  1. REMOVE VSV 
  2. INSPECT VSV 
    1. Inspect the VSV for open circuit.

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

      Fig 1: Inspecting VSV For Open Circuit
      G00920367Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Resistance: 37 - 44 Ω at 20°C (68°F) 

      If there is no continuity, replace the VSV.

    2. Inspect the VSV for ground.

      Using an ohmmeter, check that there is no continuity between each terminal and the body.

      If there is continuity, replace the VSV.

      Fig 2: Inspecting VSV For Ground
      G00920368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Inspect the VSV operation.
      1. Check that air flows from ports E to F.
        Fig 3: Checking Air Flows From Ports E To F
        G00920369Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Apply battery positive voltage across the terminals.
      3. Check that air flows from ports E to F.
      4. Fig 4: Checking Air Flows From Ports E To F
        G00920370Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If operation is not as specified, replace the VSV.

  3. REINSTALL VSV