ACIS Vacuum Tank
WARNING: This page is about a different car, the 2003 Lexus SC 430, 2003 Lexus LS 430, 2003 Lexus IS 300, 2003 Lexus GS 430, and 2003 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect vacuum hoses from vacuum tank. Vacuum tank is located under air intake chamber. See Figure.
- Apply compressed air to port "A". See Fig 1. Air should flow out of port "B". Apply compressed air to port "B". Air should not flow from port "A". Plug port "B". Apply 15.8 in. Hg to port "A". Vacuum should hold for at least one minute.
- If ACIS vacuum tank does not operate as specified, replace ACIS vacuum tank. If ACIS vacuum tank operates as specified, go to ACIS Vacuum Switching Valve .