If the open, short or over-temperature on fuel pump circuit is detected, ECM sets DTC P023000.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Plausibility monitoring | 1. Poor connector connection 2. Short to power/ground in fuel pump circuit 3. Open in fuel pump circuit 4. Defected ECM | |
Enable Condition |
•
Engine running | ||
Threshold Value | Case 1 |
•
No load error is detected | |
Case 2 |
•
Over-temperature is detected | ||
Case 3 |
•
Short to power in fuel pump circuit | ||
Case 4 |
•
Short to ground in fuel pump circuit | ||
Detecting Time | Case 1 |
•
270 msec | |
Case 2 |
•
1 sec | ||
Case 3 |
•
270 msec | ||
Case 4 |
•
2 sec | ||
Fail Safe | Engine OFF |
•
Yes | |
EGR OFF |
•
No | ||
Torque Limit |
•
Yes (Case 1, Case 3)
•
No (Case 2, Case 4) | ||
MIL |
•
Off | ||
