If current value in control circuit of FPRV is 0 A for certain amount of time, ECM sets DTC P025300. This fault might caused by open or short to ground in control circuit of FPRV.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Voltage monitoring | 1. Poor connector connection 2. Open or short in control circuit of FPRV 3. Defected FPRV | |
Enable Condition |
•
Engine running | ||
Threshold Value | Case 1 |
•
Open in FPRV circuit | |
Case 2 |
•
Short to ground in FPRV circuit | ||
Detecting Time | Case 1 |
•
220 msec | |
Case 2 |
•
280 msec | ||
Fail Safe | Engine OFF |
•
No | |
EGR OFF |
•
No | ||
Torque Limit |
•
Yes (Case 1)
•
No (Case 2) | ||
MIL |
•
On | ||
