All-activity module, function - GF54.21-P-4110-01GH

Function 

The all-activity module (N10) checks whether certain conditions for operating the air conditioning (Tempmatic) are met.

It receives the input information from the following devices:

• Refrigerant pressure sensor (B12)
• Coolant temperature sensor via CAN and sends signals to the following components:
• A/C compressor
• Auxiliary fan (M4) via relay (engine 111.977 and 112.942) or
• Engine and AC electric suction fan with integrated control (M4/7) with engine 113.942/981
• Relay (K21) for actuating the air conditioning (Tempmatic)