FixVault

DTC Detection Logic

DTC No. Trouble diagnosis name
(Trouble diagnosis content)
DTC detecting condition Possible cause
P0112 IAT SEN/CIRCUIT-B1
(Intake air temperature sensor circuit low input)
An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors

    (The intake air temperature sensor circuit is open or shorted.)

  • Intake air temperature sensor
P0113 IAT SEN/CIRCUIT-B1
(Intake air temperature sensor circuit high input)
An excessively high voltage from the sensor is sent to ECM.