VIDEO

Acura DTC

Acura DTC P1111

Manufacture

Acura DTC

Code

P1111

Definition

IAT Sensor Circuit High Input (Intermittent)

Description

Engine started, engine runtime over 4 minutes, ECT sensor more than 140ºF, vehicle speed under 20 mph, MAF sensor less than 20 g sec, and the PCM detected an unexpected high voltage signal of over 4.90v [Scan Tool reads -38ºF] on the IAT sensor circuit fo

Cause

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

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