VSV For Pressure Switching Valve

INSPECTION

1. REMOVE VSV
a. Disconnect the VSV for pressure switching valve connector.
b. Disconnect the 2 hoses and remove the VSV for pressure switching valve from the charcoal canister.







2. INSPECT VSV FOR OPEN CIRCUIT
Using an Ohmmeter, check that there is continuity between the terminals.

If there is no continuity, replace the VSV.




3. INSPECT 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.

4. INSPECT VSV OPERATION




a. Check that air does not flow from ports E to F.




b. Apply battery positive voltage across the terminals.
c. Check that air flows from ports E to F.

If operation is not as specified, replace the VSV.

5. REINSTALL VSV
a. Install the VSV for pressure switching valve and connect the 2 hoses to the charcoal canister.
b. Connect the VSV for pressure switching valve connector.