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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (3.6L - DTCS P0481 To P06DE) >> Diagnosis and Testing >> P0481-Cooling Fan 2 Control Circuit >> Theory of Operation

Theory of Operation

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The Powertrain Control Module (PCM) controls the Cooling Fan 2 (High Speed) Relay by grounding the (N112) High Rad Fan Relay Control circuit when it is determined that high speed fan operation is required.