Vsv For Pressure Switching Valve

COMPONENTS

2004 ENGINE SFI System - Sequoia

VSV Connector for Vapor Pressure Sensor

VSV Connector for Vapor Pressure Sensor

2004 Toyota Camry Vsv

Fig. 89: Identifying VSV For Pressure Switching Valve Components Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION

1. REMOVE VSV

2. INSPECT VSV

a. Inspect the VSV for open circuit.

2004 ENGINE SFI System - Sequoia

Using an ohmmeter, check that there is no continuity between the terminals. Resistance: 37 - 44 ohm at 20°C (68°F) If there is no continuity, replace the VSV.

Corolla Vsv
Fig. 90: Checking Continuity Between Terminals Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. 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.

2004 ENGINE SFI System - Sequoia

Sales Checking
Fig. 91: Checking For NO Continuity Between Terminals Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c. Inspect the VSV operation.

1. Check that air flows from ports E to F.

2004 ENGINE SFI System - Sequoia

Tacoma Vacuum Switching Valve
Fig. 92: Checking Air Flows From Ports Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2. Apply battery positive voltage across the terminals.

3. Check that air flows from ports E to F.

If operation is not as specified, replace the VSV. 3. REINSTALL VSV

2004 ENGINE SFI System - Sequoia

Air Pressure Sensor Toyota Sequoia
Fig. 93: Checking Air Flows From Ports Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
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Responses

  • lisa
    How to test vacuum switching valve for camry?
    8 years ago
  • fletcher
    How to change toyota sequoia vacuum switching valve?
    5 years ago
  • almaz
    How to test a vacuum switching valve with ohmmeter corolla?
    4 years ago
  • brigitte
    How to test a vacuum switch valve?
    3 years ago
  • mike
    What no.vsv valve will replace a 8957012231?
    2 years ago
  • Ajay
    What are the componients of vsv?
    5 months ago

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