DTC P1112: Intake Air Temperature (IAT) Circuit Intermittent
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2012 Lincoln Navigator L, 2012 Lincoln Navigator, 2012 Lincoln MKZ, 2012 Lincoln MKX, and 2012 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.
P1112 - INTAKE AIR TEMPERATURE (IAT) CIRCUIT INTERMITTENT
| Description: This DTC sets when the IAT sensor signal is intermittent. | |||
Possible Causes:
|
|||
| 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 |
| F-150 3.5L | GO to PINPOINT TEST DN . | ||
| All others | GO to PINPOINT TEST DA . | ||