When current of control circuit of ACV is "0" for more than 1 sec., ECM sets DTC P21120000. This fault might be caused by short to ground in control circuit or internal circuit error of ACV.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Voltage monitoring | 1. Short to ground in control (+) circuit of ACV 2. Short to ground in control (-) circuit of ACV 3. Defected ACV | |
Enable Conditions |
•
Engine running | ||
Threshold Value |
•
Short to ground in control circuit or internal circuit error of ACV | ||
Diagnostic Time |
•
1 sec | ||
Fail Safe | Engine OFF |
•
No | |
EGR Off |
•
No | ||
Torque Limit |
•
Yes | ||
MIL |
•
On | ||
