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 |
| P0451 |
EVAP control system pressure sensor performance |
ECM detects a sloshing signal from the EVAP control system pressure sensor |
- Harness or connectors (EVAP control system pressure sensor circuit is shorted.)
(APP sensor 2 circuit is shorted.)
(Battery current sensor circuit is shorted.)
[Camshaft position sensor (bank 1) circuit is shorted.]
(Crankshaft position sensor circuit is shorted.)
[Exhaust valve timing control position sensor (bank 1) circuit is shorted.]
(Manifold absolute pressure sensor circuit is shorted.)
- EVAP control system pressure sensor
- Accelerator pedal position sensor
- Battery current sensor
- Camshaft position sensor (bank 1)
- Crankshaft position sensor
- Exhaust valve timing control position sensor (bank 1)
- Manifold absolute pressure sensor
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