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.
Malfunction is detected in engine speed signal that is output from ECM through CAN communication.
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DTC No. |
CONSULT screen terms (Trouble diagnosis content) |
DTC detecting condition |
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P1820 |
ENGINE SPEED SIG (Engine speed signal) |
Diagnosis condition |
Engine running and vehicle running |
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Signal |
Engine speed signal |
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Threshold |
Malfunction is detected in engine speed signal that is output from ECM through CAN communication. |
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Diagnosis delay time |
30 seconds or more |
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