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 Engine Control Module (ECM) detected the exhaust pressure reading was higher or lower than the other absolute pressure sensors when the ignition switch is OFF and the engine is not running.
- The Engine Control Module (ECM) detected the exhaust pressure was higher or lower than expected during normal engine operation.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P0471-00 |
DIFF_EX_PRESS_SEN (Exhaust pressure sensor "A" circuit range/performance) |
1 |
Diagnosis condition |
Engine is running |
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Signal (terminal) |
Exhaust gas pressure sensor (-) |
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Threshold |
Exhaust pressure sensor reading < 18 kPa |
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Diagnosis delay time |
Diagnostic runs continuously when the engine is running |
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2 |
Diagnosis condition |
Engine is running |
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Signal (terminal) |
Exhaust gas pressure sensor (-) |
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Threshold |
Exhaust pressure sensor reading > 144.3 kPa |
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Diagnosis delay time |
Diagnostic runs continuously when the engine is running |
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3 |
Diagnosis condition |
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Signal (terminal) |
Exhaust gas pressure sensor (-) |
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Threshold |
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Diagnosis delay time |
Diagnostic runs continuously when the engine is running |
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