If control current of low pressure fuel pump is out of specification, ECM sets DTC P12300000.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Fuel pump current monitoring | 1. Poor connector connection 2. Open or short in control circuit of FPCM 3. Defected low pressure fuel pump 4. Defected FPCM | |
Enable Conditions |
•
Engine running | ||
Threshold Value |
•
Low pressure fuel pump current is lower than 0.4A
•
Low pressure fuel pump current is higher than 15A | ||
Diagnostic Time |
•
2 sec | ||
Fail Safe | Engine OFF |
•
No | |
EGR Off |
•
No | ||
Torque Limit |
•
No | ||
MIL |
•
Off | ||
