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
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CONSULT screen terms
(Trouble diagnosis content)
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DTC detection condition
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P1220
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FPCM
(Fuel pump control module)
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Diagnosis condition
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--
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Signal (terminal)
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--
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Threshold
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During engine cranking, the signal voltage of the FPCM to the ECM is too low
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Diagnosis delay time
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--
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