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Home >> Infiniti >> 2008 >> M45 x >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VK45DE) - DTCS P1550 Through P2A03 >> DTC P1715 Input Speed Sensor (Turbine Revolution Sensor) >> On Board Diagnosis Logic
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On Board Diagnosis Logic

NOTE:

The MIL will not lights up for this diagnosis. 

DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1715
1715
Input speed sensor (Turbine revolution sensor) (TCM output) Turbine revolution sensor signal is different from the theoretical value calculated by ECM from revolution sensor signal and engine rpm signal.
  • Harness or connectors (The CAN communication line is open or shorted)
  • Harness or connectors (Turbine revolution sensor circuit is open or shorted)
  • TCM