Vacuum Control Valve (VCV): Supra

Check VCV filters for damage. Using compressed air, clean filters. On VCV 1, apply 2 in. Hg to port "S". Blow air into port "X". Check that VCV opens for about 1 second. On VCV 2, apply 19.5 in. Hg to port "S". Blow air into port "X". Check that VCV is open.