All Activity Module
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2001 Mercedes-Benz ML55, 2001 Mercedes-Benz ML430, 2001 Mercedes-Benz ML320, 2000 Mercedes-Benz ML55, and 2000 Mercedes-Benz ML430. However, it is still accessible from the selected car via links, so may be relevant.
All Activity Module (AAM) receives inputs to determine if specified conditions have been met to allow operation of A/C-heater system. If conditions are met, the AAM will send signals to the A/C compressor, condenser fans relay and the blower motor relay to command or enable operation.