P0112 is set when the voltage below 73mV - minimum output voltage of IATS(inside of AFS) - is detected for more than 1.0 sec. This code is due to short to ground in IATS signal circuit.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
MAFS circuit monitoring | 1. IATS signal circuit short to ground 2. Faulty IATS #1 | |
Enable Conditions |
•
Ignition switch "ON" | ||
Threshold Value |
•
MAFS signal circuit short to ground | ||
Fail Safe | Fuel Cut |
•
NO | |
EGR Off |
•
YES | ||
Fuel Limit |
•
NO | ||
Check Lamp |
•
YES | ||
•
Output temperature is fixed at 50℃. |