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Home >> Infiniti >> 2004 >> FX45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1217 Engine Over Temperature >> Description >> Cooling Fan Relay Operation

Cooling Fan Relay Operation

The ECM controls cooling fan relays in the IPDM E/R through CAN communication line.

Fig 1: Determining Cooling Fan Speed & Relay Status

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Courtesy of NISSAN MOTOR CO., U.S.A.

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