DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms (Trouble diagnosis content) |
DTC detecting condition |
|---|---|---|
| P1557 | BAT TMP SEN/CIRC (Battery temperature sensor circuit high input) |
Signal voltage from Battery temperature sensor remains 4.84V or more for 5 seconds or more. |
POSSIBLE CAUSE
- Harness or connectors
- Battery current sensor (Battery temperature sensor) circuit is open or shorted.
- Sensor power supply 2 circuit is shorted.
- Refrigerant pressure sensor circuit is shorted.
- Battery current sensor (Battery temperature sensor)
- Each sensor, connected with sensor power supply 2 circuit
FAIL-SAFE
Not applicable