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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 682 (Engine Control System (DTC/Circuit Diagnosis) (15 Of 17)) >> DTC/Circuit Diagnosis >> DTC P2273: Ho2S2 >> DTC Description >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P2273

HO2S2 (B2)

(O2 sensor signal biased/stuck rich bank 2 sensor 2)

Diagnosis condition

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Signal (terminal)

Heated oxygen sensor 2 (bank 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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