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.