DTC Detection Logic
WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
DTC P0090 may be displayed when running out of gas.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P0090 |
FUEL PUMP (High pressure fuel pump circuit) |
1 |
Diagnosis condition |
Engine rev |
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Signal (terminal) |
Fuel rail pressure signal |
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Threshold |
Fuel rail pressure remains at 1.5 MPa (15 bar, 15.3 kg/ cm 2 , 217.5 psi) |
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Diagnosis delay time |
3 seconds or more |
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2 |
Diagnosis condition |
Engine rev |
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Signal (terminal) |
Fuel rail pressure signal |
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Threshold |
Fuel rail pressure remains at 18.5 MPa (185 bar, 188.7 kg/ cm 2 , 2682.5 psi) or more |
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Diagnosis delay time |
3 seconds or more |
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