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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Control System (DTC/Circuit Diagnosis) (Pr25DD) (4 Of 4)) >> DTC/Circuit Diagnosis >> P2271 O2 Sensor >> DTC Description >> PR25DD engine >> DTC Detection Logic

DTC Detection Logic

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DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P2271

00

O2 sensor signal bank 1 sensor 2

(O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 2)

Diagnosis condition

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Signal (terminal)

Heated oxygen sensor 2 signal

Threshold
  • The maximum voltage from the sensor does not reach the specified voltage
  • ECM detects the heated oxygen sensor 2 circuit is short to ground.

Diagnosis delay time

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