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 intake air sensor circuit voltage at PCM cavity 37 goes below 0.51 volt.
POSSIBLE CAUSES
- IAT sensor wiring harness intermittent defect
- IAT sensor wring harness observable defect
- Sensor signal circuit shorted to ground
- Sensor signal circuit shorted to sensor ground circuit
- IAT sensor Voltage greater than 4.0 Volts
- PCM defective (IAT sensor)