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Home >> Nissan-Datsun >> 2009 >> Rogue SL, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Except CALIFORNIA) >> Component Diagnosis >> P0037, P0038 Ho2S2 Heater >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0037 Heated oxygen sensor 2 heater control circuit low The current amperage in the heated oxygen sensor 2 heater circuit is out of the normal range.
(An excessively low voltage signal is sent to ECM through the heated oxygen sensor 2 heater.)
  • Harness or connectors

    (The heated oxygen sensor 2 heater circuit is open or shorted.)

  • Heated oxygen sensor 2 heater
P0038 Heated oxygen sensor 2 heater control circuit high The current amperage in the heated oxygen sensor 2 heater circuit is out of the normal range.
(An excessively high voltage signal is sent to ECM through the heated oxygen sensor 2 heater.)
  • Harness or connectors

    (The heated oxygen sensor 2 heater circuit is shorted.)

  • Heated oxygen sensor 2 heater