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.
Aftertreatment Particulate Matter Sensor Regeneration Status - Data Valid But Above Normal Operating Range - Moderately Severe Level. The aftertreatment particulate matter sensor has detected in-range high sensor values.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P1644-00 |
PM SENS SIG |
Diagnosis condition |
This diagnostic runs continuously when the engine is running. |
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Signal (terminal) |
PM sensor signal. |
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Threshold |
The residual current flow through the sensor after a sensor regeneration was higher than a threshold. |
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Diagnosis delay time |
- |
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