VIDEO

Acura DTC

Acura DTC P0111

Manufacture

Acura DTC

Code

P0111

Definition

Intake Air Temperature (IAT) Sensor Circuit Range Performance

Description

The execution is once per driving cycle and the duration time is 10 seconds or more. Engine OFF time is 6 hours. DTCs P0112, P0113, P0116, P0117, P0118, P0125, P1116, P2183, P2184, P2185, P2610 are not active. A malfunction is detected if the following three conditions are present after the engine has stopped and the ignition switch has been turned to LOCK (0) for at least 6 hours before restarting the engine: When the temperature difference between the IAT and ECT1 is 57 ºF (32 ºC) or more. When the temperature difference between the IAT and ECT2 is 30 ºF (17 ºC) or more. When the temperature difference between the ECT2 and ECT1 is 73 ºF (41 ºC) or more. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.

Cause

  • Poor connections or loose terminals at ECT sensor 1 and 2 and the MAF sensor IAT sensorPoor connections or loose terminals at the IAT sensor and the PCMFaulty MAF sensor IAT sensorFaulty PCM

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