FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

P0112

Test 1 - 3:




Test 4 - 5:






SYMPTOM
P0112-INTAKE AIR TEMPERATURE SENSOR LOW

WHEN MONITORED
With the ignition on.

SET CONDITION
The Intake Air Temperature (IAT) sensor voltage is less than 0.1 of a volt. One trip Fault.

POSSIBLE CAUSES
- IAT sensor voltage below 0.1 volt
- IAT sensor internal failure
- (K21) IAT signal shorted to ground
- (K21) IAT signal shorted to (K167) sensor ground circuit
- PCM