DTC Detection Logic
WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
The Engine Control Module (ECM) detected a short to battery, short pin-to-pin, or open circuit in the fuel pump actuator circuit.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P0254 |
[Injection Pump Fuel Metering Control "A" High (Cam/Rotor/Injector)] |
1 |
Diagnosis condition |
Ignition switch is ON or engine is running |
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Signal (terminal) |
(-) |
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Threshold |
Volume control valve (VCV) driver voltage < 245V |
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Diagnosis delay time |
Diagnostic runs continuously when the ignition is ON or engine is running |
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2 |
Diagnosis condition |
Ignition switch is ON or engine is running |
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Signal (terminal) |
(-) |
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Threshold |
Volume control valve (VCV) driver voltage > 600mV |
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Diagnosis delay time |
Diagnostic runs continuously when the ignition is ON or engine is running |
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