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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 13 (ENGINE CONTROL SYSTEM (5.6L) (DTC/CIRCUIT DIAGNOSIS) (6 OF 9))DTC/CIRCUIT DIAGNOSISDTC P1217: ENGINE OVER TEMPERATUREDTC LOGICDTC DETECTION LOGIC
2019 Infiniti Q70 3.7 Luxe, AWD

DTC Detection Logic

2019 Infiniti Q70 3.7 Luxe, AWDSECTION DTC Detection Logic
WARNING: This page is about a different variant/trim than selected.
NOTE:
  • If DTC P1217 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
  • If DTC P1217 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to DTC 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 No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

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.
  • Harness or connectors

    (The cooling fan circuit is open or shorted.)

  • IPDM E/R
  • Cooling fan control module
  • Cooling fan motor
  • Radiator hose
  • Radiator
  • Radiator cap
  • Water pump
  • Thermostat
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 Anti-Freeze Coolant Mixture Ratio .
  2. After refilling coolant, run engine to ensure that no water-flow noise is emitted.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.