PCM monitors fuel pump relay circuit continuously. If an open or short in the circuit is detected PCM sets a P0230 DTC.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Signal Low or High | 1. Poor connection 2. Open or short in fuel pump relay circuit 3. Open in Main Relay circuit 4. Fuel Pump Relay 5. PCM |
Enable Conditions |
•
Battery Voltage between 11V and 16V | |
Threshold value |
•
Open or short | |
Diagnosis Time |
•
Continuous (more than 5 sec. failure for every 10 sec.test) | |
MIL On Condition |
•
NO MIL ON(DTC only) |
