Vacuum System

Climate Control System

Vacuum System

Vacuum Schematic - Manual Climate Control System









Vacuum Connector End View - Function Selector Switch









Vacuum Application Chart - Manual Climate Control





a Vacuum port 3 is not currently used and is sealed by the vacuum harness connector when connected to the function selector switch.

V = Vacuum

NV = No Vacuum

Vacuum Connector End View - Heater Control Valve Vacuum Switch











Vacuum Schematic - Dual Automatic Temperature Control (DATC) System









Vacuum Connector End View - Solenoid and Manifold Assembly









Vacuum Application Chart - Dual Automatic Temperature Control (DATC)





a The dual automatic temperature control (DATC) system may be manually set to enable or disable the recirculation of cabin air by pressing the RECIRCULATION manual override button in all manual override modes except OFF, DEFROST and FLOOR/DEFROST.

b The automatic temperature control solenoid and manifold will supply vacuum and close the heater control valve depending on the HVAC module - DATC settings and ambient conditions in any setting except OFF.