If ACV position sensor output voltage is less than threshold value (200mV) for more than 2.5 sec., ECM sets DTC P01220000.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Voltage Monitoring | 1. Short to ground feedback circuit of ACV 2. Defected ACV | |
Enable Condition |
•
Engine running | ||
Threshold Value |
•
ACV position output voltage is less than 200 mV | ||
Detecting Time |
•
2 sec | ||
Fail Safe | Engine Off |
•
No | |
EGR Off |
•
No | ||
Torque Limit |
•
Yes | ||
MIL |
•
On |