The compressor module is located under the vehicle at the right rear corner. The compressor module is comprised of a compressor assembly, air dryer, integral exhaust valve and a pressure limiter valve.

The integral exhaust valve is located in the compressor head. The high-side of the exhaust valve coil is tied to battery and the low-side is connected to the Exhaust Valve Enable line of the CVRSS control module. The CVRSS control module switches this low-side to ground when exhaust or compressor activity is required.

When compressor activity is requested, the ALC relay is switch on to provide battery voltage to the air compressor motor. The high-side of the ALC relay coil is connected to battery voltage through a fuse. The low side of the ALC relay coil is connected to the Compressor Relay Enable line of the CVRSS control module. The CVRSS control module switches the low-side to ground when compressor activity is requested.