DTC Detection Logic
WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
To judge malfunctions, the diagnosis checks that the A/F signal computed by ECM from the A/F sensor 1 signal fluctuates according to fuel feedback control.
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DTC No. |
Trouble diagnosis name (Trouble diagnosis content) |
DTC detecting condition |
Possible Cause |
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P0130 |
A/F SENSOR1 (B1) [Air fuel ratio (A/F) sensor 1 circuit] |
A) |
The A/F signal computed by ECM from the A/F sensor 1 signal is constantly in a range other than approx. 2.2 V. |
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B) |
The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 2.2 V. |
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