DTC Detection Logic
DTC DETECTION CONDITION AND POSSIBLE CAUSES REFERENCE TABLE
| DTC No. |
Trouble diagnosis name |
DTC detecting condition |
Possible cause |
| P1551 |
Battery current sensor circuit low input |
An excessively low voltage from the sensor is sent to ECM. |
- Harness or connectors. Battery current sensor circuit is open or shorted.
[Crankshaft position. CKP sensor circuit is shorted.
[Camshaft position. CMP sensor. bank 2) circuit is shorted.
[Exhaust valve timing. EVT control position sensor (bank 2) circuit is shorted.
Accelerator pedal position (APP) sensor 2 circuit is shorted.
EVAP control system pressure sensor circuit is shorted.
Refrigerant pressure sensor circuit is shorted.
- Battery current sensor
- CKP sensor
- CMP sensor (bank 2)
- EVT control position sensor (bank 2)
- APP sensor
- EVAP control system pressure sensor
- Refrigerant pressure sensor
|
| P1552 |
Battery current sensor circuit high input |
An excessively high voltage from the sensor is sent to ECM. |