If ACV position sensor output voltage is higher than threshold value (4800mV) for more than 2.5 sec., ECM sets DTC P01230000. This fault might be caused by open or short to battery in circuit of ACV.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal Monitoring | 1. Short to ground feedback circuit of ACV 2. Defected ACV | |
Enable Condition |
•
Engine running | ||
Threshold Value |
•
ACV position output voltage is higher than 4800 mV | ||
Detecting Time |
•
2 sec | ||
Fail Safe | Engine Off |
•
No | |
EGR Off |
•
No | ||
Torque Limit |
•
Yes | ||
MIL |
•
On |