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Home >> Nissan-Datsun >> 2009 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0850 To P2A03 (Qr25DE) >> DTC P1805 Brake Switch >> On Board Diagnosis Logic >> Notes

On Board Diagnosis Logic: Notes

The MIL will not illuminate for this self-diagnosis  .

DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1805
1805
Brake switch A brake switch signal is not sent to ECM for extremely long time while the vehicle is being driven.
  • Harness or connectors

    (Stop lamp switch circuit is open or shorted.)

  • Stop lamp switch