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.
The monitor checks whether the DEF tank temperature has failed to reach a target threshold within a time window after the heating is commanded ON.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P209F-00 |
DEF HTR TEST TIME UREA TANK TEMP DEF TANK TEMP SENS V |
Diagnosis condition |
This diagnostic runs a calibrated amount of time after DEF tank heating is first commanded. |
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Signal (terminal) |
DEF tank heater signal |
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Threshold |
The DEF control module detected the DEF tank temperature did not reach dosing temperature (minimum of -6°C (21°F) in the required time, when the DEF tank heater was commanded ON. |
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Diagnosis delay time |
- |
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