DTC Detection Logic
WARNING: This page is about a different car, the 2013 Infiniti FX50. However, it is still accessible from the selected car via links, so may be relevant.
| DTC No. |
Trouble diagnosis name |
DTC detecting condition |
Possible cause |
| P1550 |
Battery current sensor circuit range/performance |
The output voltage of the battery current sensor remains within the specified range while engine is running. |
- 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.)
(EVAP control system pressure sensor circuit is shorted.)
[Exhaust valve timing control position sensor (bank 1) circuit is shorted.]
(Manifold absolute pressure sensor circuit is shorted.)
- Battery current sensor
- Accelerator pedal position sensor
- Camshaft position sensor (bank 1)
- Crankshaft position sensor
- EVAP control system pressure sensor
- Exhaust valve timing control position sensor (bank 1)
- Manifold absolute pressure sensor
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