The PCM monitors output signals of IATS every 20 seconds. If an output signal is below 0.1V for more than 10 seconds, the PCM sets a P0112 DTC.
Item | Detecting Condition | Possible cause | |
DTC Strategy |
•
This code detects a continuous short to ground in either the signal circuit or the sensor | 1. Poor Connection 2. Short to ground in harness 3. IATS 4. PCM | |
Enable Conditions | Case 1 |
•
Engine running state
•
No Vehicle speed sensor fault
•
Vehicle speed faster than 50kph(30mph) | |
Case 2 |
•
Engine running time longer than120 sec.
•
Time from IG "OFF" to IG "ON" longer than 360 min. | ||
Threshold value |
•
Intake air temperature sensor's voltage less than 0.1V | ||
Diagnosis Time |
•
Continuous (More than 10 seconds failure for every 20 seconds test) | ||
MIL On Condition |
•
3 Driving Cycles | ||
