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Home >> Nissan-Datsun >> 2009 >> Sentra SE-R >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - DTCS P0850 To P2A03 (Qr25DE) >> DTC P1715 Input Speed Sensor (Primary Speed Sensor) >> On Board Diagnosis Logic

On Board Diagnosis Logic

The MIL will not illuminate for this self-diagnosis  .

NOTE:
  • If DTC P1715 is displayed with DTC UXXXX first perform the trouble diagnosis for DTC UXXXX.
  • If DTC P1715 is displayed with DTC P0335, first perform the trouble diagnosis for DTC P0335. Refer to DTC P0335 CKP SENSOR (POS) .
  • If DTC P1715 is displayed with DTC P0340 first perform the trouble diagnosis for DTC P0340. Refer to DTC P0340 CMP SENSOR (PHASE) .
  • If DTC P1715 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer to DTC P0605 ECM .
  • If DTC P1715 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to DTC P0607 ECM .
DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1715
1715
Input speed sensor (Primary speed sensor) (TCM output) Primary speed sensor signal is different from the theoretical value calculated by ECM from secondary speed sensor signal and engine RPM signal.
  • Harness or connectors

    (CAN communication line is open or shorted)

  • Harness or connectors

    (Primary speed sensor circuit is open or shorted)

  • TCM