LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2011 >> M56 x >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P006A To P0153 (VK56VD) >> DTC P0127: IAT Sensor >> DTC Logic >> DTC Detection Logic
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC Detection Logic

DTC DETECTION LOGIC CHART

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P0127 IAT SENSOR-B1 (Intake air temperature too high) Rationally incorrect voltage from the sensor is sent to ECM, compared with the voltage signal from engine coolant temperature sensor.
  • Harness or connectors (The intake air temperature sensor circuit is open or shorted)
  • Intake air temperature sensor