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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Engine Control System (DTC/Circuit Diagnosis) (VQ35DE) (Except Hybrid) (1 Of 3)) >> DTC/Circuit Diagnosis >> DTC P0125: ECT Sensor >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • If DTC P0125 is displayed with P0116, first perform the trouble diagnosis for DTC P0116. Refer to  DTC LOGIC  . 
  • If DTC P0125 is displayed with P0117 or P0118, first perform the trouble diagnosis for DTC P0117, P0118. Refer to  DTC LOGIC  . 
DTC No. CONSULT screen terms
(Trouble diagnosis content)		 DTC detecting condition Possible cause
P0125 ECT SENSOR
(Insufficient coolant temperature for closed loop fuel control)
  • Voltage sent to ECM from the sensor is not practical, even when some time has passed after starting the engine.
  • Engine coolant temperature is insufficient for closed loop fuel control.
  • Harness or connectors

    (High resistance in the circuit)

  • Engine coolant temperature sensor
  • Thermostat
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