LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2010 >> FX50 >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (VK50VE) - DTC U0101, U0113, U1003, U1001, U1024 & P0011 Through P0159 >> DTC P0125: ECT Sensor >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

NOTE: If DTC P0125 is displayed with P0117 or P0118, first perform the trouble diagnosis for DTC P0117, P0118. Refer to DTC LOGIC .
DTC DETECTION LOGIC TABLE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0125 Insufficient engine 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