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.
An excessively low or high voltage signal is sent to ECM through the VIAS control solenoid valve 2.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P1801 |
VIAS S/V CIRC-B2 (VIAS solenoid valve circuit bank 2) |
Diagnosis condition |
Start engine and let it idle |
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Signal (terminal) |
VIAS control solenoid valve 2 signal |
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Threshold |
An excessively low or high voltage signal is sent to ECM |
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Diagnosis delay time |
- |
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