If rail pressure is below threshold value by 200 bar or is lower than minimum pressure while rail pressure is controlled by FPRV, ECM sets DTC P118600. This fault might be caused by too much fuel return of common rail or defected RPS.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal monitoring | 1. Poor connector connection 2. Stuck closed FPRV 3. Stuck opened FPRV 4. Defected RPS | |
Enable Condition |
•
Engine running | ||
Threshold Value | Case 1 |
•
Rail pressure is below threshold value by 200bar | |
Case 2 |
•
Rail pressure is lower than minimum pressure | ||
Detecting Time | Case 1 |
•
1 sec | |
Case 2 |
•
300 msec | ||
Fail Safe | Engine OFF |
•
Yes (Case 1)
•
No (Case 2) | |
EGR OFF |
•
No | ||
Torque Limit |
•
Yes | ||
MIL |
•
On | ||
