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Acura DTC

Acura DTC P0113

Manufacture

Acura DTC

Code

P0113

Definition

Intake Air Temperature (IAT) Sensor Circuit High Voltage

Description

The IAT sensor resistance varies depending on temperature. The output voltage and the sensor resistance increase as the intake air temperature decreases. Conversely, the output voltage and the sensor resistance decrease as the intake air temperature increases. If the IAT sensor output voltage is excessively high, the Powertrain Control Module (PCM) detects a malfunction and a DTC is stored. The execution time is continuous and the duration time is 2 seconds or more. P0112 is not active. The IAT sensor output voltage is 4.92 V or more for at least 2 seconds. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.

Cause

  • Poor connections or loose terminals at the MAF sensor IAT sensor and the PCMOpen in the wire between the PCM and the MAF sensor IAT sensorOpen in the wire between the PCM and the MAF sensor IAT sensorFaulty MAF sensor IAT sensorPCM may need to be updated with the latest softwareFaulty PCM

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