If the information from the sensor temperature is below -45 ?� C for 0.2 to two cycles of driving, the ECU memorizes the code R0112 and includes a warning light. This check is made after engine while running for 4 minutes 10 seconds and then it idling for 30 seconds (without stopping delivery of fuel when coasting). This code indicates that emitted by the sensor or the ECU value of air temperature after the engine warms below normal.