ACIS Vacuum Switching Valve (VSV)

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Disconnect vacuum hoses and electrical connector from VSV. See Figure and Figure. Remove VSV if necessary. Replace VSV if it does not operate as follows.

Resistance across terminals is about 39-45 ohms.
There is no continuity between VSV case (ground) and each terminal of VSV connector (this checks for an internal short).
Blow through port "E". See Figure. Air comes out of filter, but not out of port "F".
Apply battery voltage across terminals. Blow through port "E". Air comes out of port "F".