PCM compares fuel level measured with filtered value. If there is difference over 50% between each other, PCM sets P0464.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Noisy Signal Monitoring | 1. Poor Connector Connection 2. Short to Battery in Fuel Level Sender Signal Circuit 3. Defected Fuel Level Sender | |
Enable Condition | Case 1 |
•
Vehicle Speed higher than 22mph(35.4 km/h)
•
200 sec. after start
•
Wheel speed gradient more than 1.8‰ during 20 sec.
•
Battery voltage higher than 11V and lower than 16V | |
Case 2 |
•
Evaporatvie system leakage monitor status waiting period or leak check period | ||
Threshold Value | Case 1 |
•
Difference between measured Fuel Tank Level and Filtered Fuel Tank Level higher than 45% | |
Case 2 |
•
Difference between Filtered Fuel Tank Level and Raw Fuel Tank Level higher than 12 ~ 14% | ||
Diagnostic Time | Case 1 |
•
50 step(5 sec. 100 counts) | |
Case 2 |
•
25 step(2.5 sec. 100 counts) | ||
MIL ON Condition |
•
2 Driving Cycles |