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Home >> Nissan-Datsun >> 2008 >> Sentra Base, Automatic CVT >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P0506 To P2A00 (MR20DE) >> DTC P1715 Input Speed Sensor (Primary Speed Sensor) >> On Board Diagnosis Logic
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On Board Diagnosis Logic

NOTE:
  • If DTC P1715 is displayed with DTC U1000 or U1001 first perform the trouble diagnosis for DTC U1000, U1001. Refer to "DTC U1000, U1001 CAN COMMUNICATION LINE ".
  • If DTC P1715 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to "DTC U1010 CAN COMMUNICATION ".
  • 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 ".

The MIL will not light up for this self-diagnosis. 

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