When open or short in the fuel pump relay circuit is detected under enable condition, ECM sets DTC P0230 and turns the MIL on.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Signal monitoring | 1. Poor connector connection 2. Open or short in fuel pump relay circuit 3. Open in main relay circuit 4. Faulty fuel pump relay 5. Faulty ECM |
Enable Condition |
•
Engine speed is higher than 240 RPM
•
Battery voltage is at between 10.7V and 16V | |
Threshold Value |
•
Open or short to power/ground in the fuel pump relay circuit | |
Diagnosis Time |
•
Continuous | |
MIL ON Condition |
•
- |