On Board Diagnosis Logic
The MIL will not light up for these diagnosis.
NOTE:
If DTC P1551 or P1552 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to P0643 SENSOR POWER SUPPLY
.
DTC DETECTING CONDITION 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. |