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Home >> Audi >> 2014 >> S7 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> 4.0L - Generic Scan Tool - Engine Code(S): CEUC & CRDB (Transmission DTC Table & Diagnostic Procedures) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Map Controlled Engine Cooling Thermostat -F265-, CHECKING >> Function

Map Controlled Engine Cooling Thermostat -F265-, CHECKING: Function

The thermostat is positioned on the suction side of the coolant pump. The thermostat opening is temperature-activated by a wax element. The opening temperature can also be lowered using a Map Controlled Engine Cooling Thermostat -F265-. Map Controlled Engine Cooling Thermostat -F265- activation is managed through the Engine Control Module -J623- per a characteristic map. The Engine Control Module -J623- uses the input variables of air temperature, engine load, speed, and coolant temperature for its calculation. From these, it calculates the continuously adjustable heating of the expansion element.

Special tools and workshop equipment required 

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