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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 70 (Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid)) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> P1112 - Intake Air Temperature (IAT) Circuit Intermittent

P1112 - Intake Air Temperature (IAT) Circuit Intermittent

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DTC DESCRIPTION P1112 - INTAKE AIR TEMPERATURE (IAT) CIRCUIT INTERMITTENT

Description:  This DTC sets when the IAT sensor signal is intermittent.
Possible Causes: 
  • IAT circuit intermittent open
  • IAT circuit intermittent short to voltage
  • IAT circuit intermittent short to ground
  • Damaged IAT sensor
  • Damaged harness connector
  • Damaged harness
Diagnostic Aids:  Monitor the IAT PID on a scan tool. Look for sudden changes in the reading when the harness is wiggled or the sensor is tapped.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test DA .