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Home >> Genesis >> 2019 >> G70 3.3T Dynamic, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (Engine Control System Diagnosis - 2.0L (1 Of 4)) >> DTC P0071-00: Ambient Air Temperature Circuit Range/Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible cause
Main Action
  • Plausibility check
  • Faulty AAT
Prerequisite condition Hot
  • Engine coolant temperature (ECT) is higher than 74°C (165.2°F).
  • Engine speed is higher than 1500 rpm.
  • Fluctuation of intake air temperature during 12 seconds is lower than 1.5°C (34.7°F).
  • Fluctuation of ambient air temperature during 12 seconds is lower than 1.5°C (34.7°F).
  • Mass air flow is between 0.3g/rev and 1.2g/rev.
  • Pressure quotient (MAP/BARO) is lower than 1.5
  • Vehicle speed is between 70Kph (43.5 Mph) and 130.4Kph (81 Mph).
Cold
  • Battery voltage is between 6V and 16V.
  • Engine stop time is longer than 480 minutes.
  • ECT drop in 15 seconds after starting is lower than 1.4°C (34.5)°F.
Threshold value Hot
  • Absolute value of difference between measured ambient air temperature and modeled value is larger than or equal to 20°C (68°F).
Cold
  • Difference between ambient air temperature and 2 other temperature sensors value is larger than 20°C (68°F).
  • Difference among other temperature sensors temperature is lower than or equal to 20°C (68°F).
Diagnosis Time
  • Immediately
MIL On Condition
  • 3rd Driving Cycle