On Board Diagnosis Logic
The MIL will not light up for these self-diagnoses.
NOTE:
If DTC P1551 or P1552 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to
"ON BOARD DIAGNOSIS LOGIC
".
DTC DETECTING CONDITION AND POSSIBLE CAUSE REFERENCE CHART
| DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause |
|---|---|---|---|
| P1551 1551 |
Battery current sensor circuit low input | An excessively low voltage from the sensor is sent to ECM. |
|
| P1552 1552 |
Battery current sensor circuit high input | An excessively high voltage from the sensor is sent to ECM. |