If over-current in rail pressure regulator valve circuit is detected for 0.28 sec., ECM sets DTC P008900. The fault is caused by short to power or internal short circuit in rail pressure regulator valve.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Rail pressure regulator valve signal monitoring | 1. Short to power in rail pressure regulator valve circuit 2. Defected rail pressure regulator valve 3. Defected ECM | |
Enable Condition |
•
Engine running | ||
Threshold Value |
•
Short to power in rail pressure regulator valve circuit | ||
Detecting Time |
•
280 msec | ||
Fail Safe | Engine OFF |
•
Yes | |
EGR OFF |
•
No | ||
Torque Limit |
•
No | ||
MIL |
•
Off | ||
