Econ - Single Zone Manual System

Pressing the 'ECON' momentary switch on the control panel will switch off the A/C system. When selected, the ATC module will transmit a message over the high speed CAN bus to the ECM requesting the A/C compressor is disabled. The ECM disables the compressor by de-energizing the A/C compressor control relay located in the BJB. The tell-tale LED in the switch will illuminate to alert the vehicle occupants that the system is in 'ECON' mode.

When 'ECON' mode is selected, temperature control is still available but no cooling of intake air will take place. The minimum output air temperature from the system will be ambient air temperature plus any heat pick up in the air intake path.

A/C can be switched back on by pressing the 'ECON' switch a second time. This will also extinguish the 'ECON' LED.

Stop/Start Vehicles - From 2010 MY 

From 2010 MY, the 'ECON' switch will be labeled 'A/C' to prevent confusion with the 'Eco' switch which operates the 'Stop/Start' and 'Gear Change Indicator' systems. For additional information, refer to the appropriate Starting System information.