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Home >> Infiniti >> 2014 >> Q50 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0500 To P2101 (Except Hybrid) >> DTC P1217: Engine Over Temperature >> DTC Description >> DTC Detection Logic

DTC Detection Logic

If the cooling fan or another component in the cooling system malfunctions, engine coolant temperature will rise.

When the engine coolant temperature reaches an abnormally high temperature condition, a malfunction is indicated.

DTC DETECTION CONDITION

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition
P1217 ENG OVER TEMP [Engine over temperature (Overheat)]
  • Cooling fan does not operate properly (Overheat).
  • Cooling fan system does not operate properly (Overheat).
  • Engine coolant was not added to the system using the proper filling method.
  • Engine coolant is not within the specified range.
CAUTION: When a malfunction is indicated, always replace the coolant. Refer to "DRAINING " and "REFILLING ". Also, replace the engine oil. Refer to "DRAINING " and "REFILLING ".
  1. Fill radiator with coolant up to specified level with a filling speed of 2 liters per minute. Always use coolant with the proper mixture ratio. Refer to "FOR NORTH AMERICA: ANTI-FREEZE COOLANT MIXTURE RATIO " (For North America), "FOR MEXICO: ENGINE COOLANT MIXTURE RATIO " (For Mexico).
  2. After refilling coolant, run engine to ensure that no water-flow noise is emitted.
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