DTC Detection Logic
WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC
| DTC No. |
Trouble diagnosis name (Trouble diagnosis content) |
DTC detecting condition |
Possible cause |
| P1554 |
BAT CURRENT SENSOR (Battery current sensor performance) |
The output voltage of the battery current sensor is lower than the specified value while the battery voltage is high enough. |
- Harness or connectors (Battery current sensor circuit is open or shorted.)
(Accelerator pedal position sensor 2 circuit is shorted.)
[Camshaft position sensor (bank 1) circuit is shorted.]
(Crankshaft position sensor circuit is shorted.)
(Refrigerant pressure sensor circuit is shorted.)
(EVAP control system pressure sensor circuit is shorted.)
- Battery current sensor
- Accelerator pedal position sensor
- Camshaft position sensor (bank 1)
- Crankshaft position sensor
- Refrigerant pressure sensor
- EVAP control system pressure sensor
|