Where is the VSV valve located?
The Vacuum Switching Valve (VSV) is typically located on the engine (often under the intake manifold) or in the engine compartment, controlling a fixed air bleed into the intake manifold. The valve is a normally closed (N/Q design which is opened when current is passed through the solenoid windings.
What does a VSV valve do?
The vacuum switching valve (VSV) which controls the vacuum supply to the actuator is normally closed and passes vacuum to the actuator when it is energized by the ECU. By energizing the VSV vacuum is passed to the actuator, closing the air control valve.
How do you check Toyota VSV?
Check the resistance. Remove the electrical connector from the VSV and check the resistance across the terminals using an ohmmeter. The resistance should be 33 to 39 ohms (at an air temperature of 68 degrees). Resistance outside this range indicates that the VSV is bad (References 1).
What does VSV stand for Toyota?
vacuum switching valve
The vacuum switching valve (VSV) which controls the vacuum supply to the actuator is normally closed and passes vacuum to the actuator when it is energized by the ECU. By energizing the VSV vacuum is passed to the actuator, closing the air control valve. This effectively lengthens the intake manifold run.
What does VSV stand for?
VSV
| Acronym | Definition |
|---|---|
| VSV | Vacuum Switching Valve (car part) |
| VSV | Villacher Sport Verein (German sports club) |
| VSV | Variable Stator Vanes |
| VSV | Vilket Skulle Visas (Swedish: What Would Appear; mathematics) |
What is VSV EVAP?
EVAP VSV Monitor (DTC P0441, im3) The ECM controls the opening and closing of the EVAP VSV (vacuum switching valve). When the EVAP VSV is opened, the engine speed and the air/fuel ratio should change. The ECM monitors both of the engine RPM and the air/fuel ratio for this EVAP system diagnostic test.
How does vacuum switch work?
Vacuum switches respond to a change in negative pressure. If a change is signaled, an elastomeric diaphragm opens or closes an electrical circuit based on a predetermined pressure set point and activates the vacuums switch. A vacuum switch is set to a certain point of pressure to which it will automatically respond.