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Home >> Nissan-Datsun >> 2017 >> Versa Note SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 3) >> DTC/Circuit Diagnosis >> DTC P0130: A/F Sensor 1 >> DTC Logic >> DTC Detection Logic

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. Trouble diagnosis content DTC detecting condition Possible Cause
P0130 Air fuel ratio (A/F) sensor 1 circuit The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 2.2 V.
  • Harness or connectors

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

  • A/F sensor 1
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