If open load of rail pressure regulator valve output or short circuit to ground of fuel pressure regulator valve output is detected, ECM sets DTC P009100.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Rail Pressure Regulator Valve Voltage Monitoring | 1. Open/short to ground in rail pressure regulator valve circuit 2. Faulty rail pressure regulator valve 3. Faulty ECM | ||
Enable Condition |
•
Engine running | |||
Threshold Value | Case 1 |
•
Open load of rail pressure regulator valve | ||
Case 2 |
•
Short to ground in rail pressure regulator valve | |||
Detecting Time | Case 1 |
•
280 msec. | ||
Case 2 |
•
50 msec. | |||
Fail Safe | MIL |
•
On | ||
Fuel Cut |
•
Yes | |||
Torque Limit |
•
Yes | |||
