P0112

Test 1 - Test 3:

Test 4 - Test 5:

SYMPTOM
P0112-INTAKE AIR TEMPERATURE SENSOR CIRCUIT LOW

WHEN MONITORED
With the ignition on. Battery voltage greater than 10 volts.

SET CONDITION
The Intake Air Temperature (IAT) sensor circuit voltage at the PCM goes below 0.5 of a volt. One Trip Failure.

POSSIBLE CAUSES
- IAT sensor voltage below 0.5 of a volt
- IAT sensor
- (K21) IAT signal circuit shorted to ground
- (K21) IAT signal circuit shorted to the (K900) sensor ground circuit
- PCM