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Home >> Fiat >> 2014 >> 500c Abarth >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Electric Vehicle Control Unit (EVCU) Module - DTCS B12A4-11 To P1138-00 - 500E) >> Diagnosis And Testing >> P0480-00-Cooling Fan 1 Control Circuit Open >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2014 Fiat 500e. However, it is still accessible from the selected car via links, so may be relevant.

The Electric Vehicle Control Unit (EVCU) sends a Pulse-Width Modulated (PWM) signal to the Radiator Fan Module to control speed.

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