Load compensation: A/C
WARNING: This page is about a different car, the 2001 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
When DICE sends bus information A/C ON, Trionic T7 calculates the impending torque requirement of the compressor using the A/C pressure. The value is converted to mg air/combustion and constitutes the air mass/combustion required to compensate for the torque requirement of the compressor.