DTC P1112 Acura

IAT Sensor Circuit Low Input (Intermittent)

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 and Solution

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

Video Guide

Duration: PT4M10S | Uploaded: 2020-04-18

Diagnostic Info

  • DTC Code: P1112
  • Brand: Acura
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