System Controls
WARNING: This page is about a different car, the 2006 Dodge Sprinter. However, it is still accessible from the selected car via links, so may be relevant.
The ATC Module:
- is fully addressable with the DRBIII®.
- The DRBIII® communicates with the ATC Module through the Diagnostic Link Connector (DLC) via a K-Line.
- communicates with other modules over the Controller Area Network (CAN) C Bus.
- controls A/C clutch operation.
- controls EBL operation.
- controls water cycle valve operation.
- The water cycle valve is a normally open valve, meaning that it allows full engine coolant flow through the heater core when no power is delivered to the valve. The ATC controls the valve with a pulse width signal. The lower the percentage of the pulse width signal the more the valve is open.
- controls Residual Heat Utilization (REST) function.
- controls blower motor operation, providing four blower speeds (Low, M1, M2, & High).
- controls recirculation air solenoid valve.
- controls the mode door via cables.
- controls the main power supply to the Heater Booster (if equipped).
- uses air inlet temperature sensor, air outlet temperature sensor, and evaporator temperature sensor input, as well as data from other modules to maintain occupant comfort levels.