P0112

Tests 1 - 3:

Tests 4 - 7:

SYMPTOM
P0112 - INTAKE AIR TEMPERATURE SENSOR VOLTAGE LOW

WHEN MONITORED
With the ignition ON and the engine running.

SET CONDITION
The IAT sensor circuit voltage at PCM cavity 37 goes below 0.157 volt.

POSSIBLE CAUSES
- IAT sensor voltage greater than 4.0 volts
- IAT sensor intermittent defect
- IAT sensor observable defect
- IAT sensor signal circuit shorted to ground
- IAT sensor signal circuit shorted to sensor ground circuit
- PCM defective ( IAT sensor)