DTC Detection Logic
DTC DETECTING CONDITION AND POSSIBLE CAUSE REFERENCE
| 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.)
[CKP sensor (POS) circuit is shorted.]
[CMP sensor (PHASE) (bank 2) circuit is shorted.]
[EVT control position sensor (bank 2) circuit is shorted.]
(APP sensor 2 circuit is shorted.)
(EVAP control system pressure sensor circuit is shorted.)
(Refrigerant pressure sensor circuit is shorted.)
- Battery current sensor
- Crankshaft position sensor (POS)
- Camshaft position sensor (PHASE) (bank 2)
- Exhaust valve timing control position sensor (bank 2)
- Accelerator pedal position 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. |