DTC Detection Logic
WARNING: This page is about a different car, the 2019 Nissan NV3500 HD and 2019 Nissan NV2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P1451 |
TC/SC PRES-EVAP PRES (EVAP control system pressure sensor/turbocharger boost sensor correlation) |
Diagnosis condition |
Ignition switch ON |
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Signal (terminal) |
EVAP control system pressure sensor signal |
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Threshold |
ECM detects a state that the pressure difference remains the threshold value or more for continuously for 5 seconds or more under the condition that the pressure of the EVAP control system pressure sensor and that of the turbocharger boost sensor are equal. |
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Diagnosis delay time |
3 seconds or more |
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