DTC Detection Logic
WARNING: This page is about a different car, the 2019 Nissan NV3500 HD and 2019 Nissan NV2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P0125 |
ECT SENSOR (Insufficient engine coolant temperature for closed loop fuel control) |
1 |
Diagnosis condition |
After starting the engine |
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Signal (terminal) |
Mass air flow sensor signal |
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Threshold |
Voltage sent to ECM from the sensor is not practical |
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Diagnosis delay time |
Some time has passed |
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2 |
Diagnosis condition |
-- |
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Signal (terminal) |
Mass air flow sensor signal |
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Threshold |
Engine coolant temperature is insufficient for closed loop fuel control |
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Diagnosis delay time |
-- |
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