DTC Detection Logic
WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
When ECM is not transmitting or receiving CAN communication signal of OBD (emission related diagnosis) for 2 seconds or more.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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U1000 |
CAN COMM CIRCUIT (CAN COMM CIRCUIT) |
Diagnosis condition |
Ignition switch ON |
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Signal (terminal) |
CAN communication signal |
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Threshold |
ECM is not transmitting or receiving CAN communication signal of OBD (emission related diagnosis) |
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Diagnosis delay time |
2 seconds or more |
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