Operation CHARM: Car repair manuals for everyone.

P0111

Tests 1 - 3:




Tests 4 - 7:




SYMPTOM
P0111-INTAKE AIR TEMP SENSOR PERFORMANCE

WHEN MONITORED
With the ignition ON. Coolant Temperature greater than 71 °C (160 °F) No Inlet Air Temperature Sensor Faults present (P1192 and P1193).

SET CONDITION
After 5 warm cycles have occurred (coolant increases from greater than 4.4 °C (40 °F) to a minimum of 71 °C (160 °F) and the odometer mileage has increased 196.6 miles and the Inlet Air Temperature has increased less than 3 °C (5.4 °F). Two trip fault.

POSSIBLE CAUSES
- Intermittent condition
- IAT sensor voltage below 1.0 volts
- Sensor ground circuit voltage drop
- IAT sensor signal circuit voltage drop
- PCM