ML 320 (163.154) V6-3.2L (112.942) (1998)
Control Module HVAC: Description and Operation
Automatic Temperature Control Module
Automatic temperature control module, purpose
Control of air conditioning (Tempmatic).
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Capture input signals from various components
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Internal process input signals
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Transfer control signals to various components
Automatic temperature control module, function
The air conditioning (Tempmatic) control module receives the input signals from various components in order to check the conditions for proper
operation. It transfers control signals to the following components: Air mixing damper actuator, fresh air/recirculated air flap actuator, all-activity
module.
The air conditioning (Tempmatic) control module receives input information from the following assemblies: A/C button, interior air temperature
sensor, temperature dial, blower switch, ice-up protection temperature sensor, air mixture damper position signal.