On Board Diagnostic Logic
NOTE:
- If DTC P0462 or P0463 is displayed with DTC U1000 or U1001, first perform the trouble diagnosis for DTC U1000, U1001. Refer to "DTC U1000, U1001 CAN COMMUNICATION LINE ".
- If DTC P0462 or P0463 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to "DTC U1010 CAN COMMUNICATION ".
This diagnosis indicates the former, to detect open or short circuit malfunction.
DTC DETECTING CONDITION AND POSSIBLE CAUSES CHART
| DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause |
|---|---|---|---|
| P0462 0462 | Fuel level sensor circuit low input | An excessively low voltage from the sensor is sent to ECM. |
|
| P0463 0463 | Fuel level sensor circuit high input | An excessively high voltage from the sensor is sent to ECM. |