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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> Heating & Air Conditioning >> Controls >> Sensor, Sun >> Description And Operation >> Description And Operation

Description And Operation

GC0195557Courtesy of CHRYSLER GROUP, LLC

The Heating, Ventilation, and Air Conditioning (HVAC) module uses the sun sensor to measure solar radiation inside the passenger compartment and define the best strategy to cool down the vehicle.

Sun sensor technical specifications:

Characteristics  Value 
Supply 5 V ± 0.1
Max. current uptake 10 mA
Operating range Temp. -40 to 105 °C (-40 to 221 °F)
Output current Imin = 0.25 mA & Imax = 2.18 mA
Sun sensor response time < 10 ms