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Home >> Nissan-Datsun >> 2019 >> Sentra SR >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1.8L) (1 Of 4) >> DTC / Circuit Diagnosis >> DTC P0130: A/F Sensor 1 >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

To judge the malfunction, 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

Possible cause

P0130

A/F SENSOR1 (B1)

(O2 sensor circuit bank 1 sensor 1)

A)

The A/F signal computed by ECM from the A/F sensor 1 signal is constantly in the range other than approx. 2.2 V.
  • Harness or connectors

    (A/F sensor 1 circuit is open or shorted.)

  • A/F sensor 1

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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