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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 6) >> Engine (ECM) >> DTC P0130: A/F Sensor 1 >> DTC Description >> VR30DDTT engine >> DTC Detection Logic
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DTC Detection Logic

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.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P0130

A/F SENSOR1 (B1)

[Air fuel ratio (A/F) sensor 1 (bank 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.

B

The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 2.2 V.