2.1.2 HIC and HAI This diagram shows the location of the HIC and how the HIC ports are labeled. It also shows the location of the HAI diaphragm and PCV valve, and the routing of vacuum lines from the HIC to the HAI and PCV. There are two ports on the HIC and one port on the HAI. Version 2 / 01-May-2011 Page 4 of 24