VIDEO

Acura DTC

Acura DTC P1112

Manufacture

Acura DTC

Code

P1112

Definition

IAT Sensor Circuit Low Input (Intermittent)

Description

Engine started, engine runtime over 4 minutes, ECT sensor more than 140ºF, vehicle driven to a speed of over 20 mph, Calculated airflow less than 20 g sec, and the PCM detected an unexpected low voltage of under 0.10v on the IAT sensor circuit (Scan Tool

Cause

  • IAT sensor signal circuit is shorted to ground (intermittent fault)IAT sensor is damaged or has failed (an intermittent fault)PCM has failed

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