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Home >> Nissan-Datsun >> 2008 >> Sentra SL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Control System - DTCS U1000 To P0153 (Qr25DE)) >> DTC P0031, P0032, P0051, P0052 A/F Sensor 1 Heater >> On Board Diagnosis Logic

On Board Diagnosis Logic

WARNING: This page is about a different variant/trim than selected.
DTC DETECTING CONDITION AND POSSIBLE CAUSES CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0031
0031
(Bank 1)
Air fuel ratio (A/F) sensor 1 heater control circuit low The current amperage in the air fuel ratio (A/F) sensor 1 heater circuit is out of the normal range. [An excessively low voltage signal is sent to ECM through the air fuel ratio (A/F) sensor 1 heater.]
  • Harness or connectors

    [Air fuel ratio (A/F) sensor 1 heater circuit is open or shorted.]

  • Air fuel ratio (A/F) sensor 1 heater
P0051
0051
(Bank 2)
P0032
0032
(Bank 2)
Air fuel ratio (A/F) sensor 1 heater control circuit high The current amperage in the air fuel ratio (A/F) sensor 1 heater circuit is out of the normal range. [An excessively high voltage signal is sent to ECM through the air fuel ratio (A/F) sensor 1 heater.]
  • Harness or connectors

    [Air fuel ratio (A/F) sensor 1 heater circuit is shorted.]

  • Air fuel ratio (A/F) sensor 1 heater
P0052
0052
(Bank 2)