Operation CHARM: Car repair manuals for everyone.

P0111

Tests 1 - 3:




Tests 4 - 7:




SYMPTOM
P0111-INTAKE AIR TEMP PERFORMANCE

WHEN MONITORED
With the ignition ON and no Intake Air Temperature Sensor open/shorted faults present.

SET CONDITION
After 5 warm cycles have occurred (coolant increases at least 22 °C (40 °F) to a minimum of 71 °C (160 °F) and the odometer mileage has increased 196.6 miles and the Intake Air Temperature has had less than 5 °C (9 °F) change in temperature.

POSSIBLE CAUSES
- Intermittent condition
- IAT sensor voltage below 1.0 volt
- Sensor ground circuit high resistance
- IAT sensor signal circuit high resistance
- PCM