DTC Detection Logic
WARNING: This page is about a different car, the 2011 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC
| 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.)
[CKP sensor (POS) circuit is shorted.]
(APP sensor 2 circuit is shorted.)
(Refrigerant pressure sensor circuit is shorted.)
(Brake booster pressure sensor circuit is shorted)
(Gear lever position sensor circuit is shorted)
- EVAP control system pressure sensor
- Crankshaft position sensor (POS)
- Accelerator pedal position sensor
- Refrigerant pressure sensor
- Brake booster pressure sensor
- Gear lever position sensor
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