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Home >> Infiniti >> 2014 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Automatic Transmission (Re0F10E) (DTC/Circuit Diagnosis) (Except Hybrid) (2 Of 2)) >> DTC/Circuit Diagnosis >> DTC P0715: Input Speed Sensor A >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition Possible causes
P0715 INPUT SPEED SENSOR A
(Input/Turbine Speed Sensor A Circuit)
When 1 is satisfied and any of 2, 3 or 4 is satisfied:
  1. When the following conditions are satisfied:
    • TCM power supply voltage: More than 11 V
    • After range change completion, it spends 2 seconds or more.
  2. When all of the following conditions are satisfied and this state is maintained for 5 seconds:
    • Primary pulley speed: Less than 150 RPM
    • Secondary pulley speed: 500 RPM or more
  3. When all of the following conditions are satisfied and this state is maintained for 0.5 seconds:
    • 10-msec-ago primary pulley speed: 1, 000 RPM or more
    • Now primary pulley speed: 0 RPM
  4. When all of the following conditions are satisfied and this state is maintained for 5 seconds:
    • Range: D or L
    • Engine speed: 450 RPM or more
    • Input peed: 300 RPM or more
    • Primary pulley speed: 300 RPM or more
    • Secondary pulley seed: 300 RPM or more
    • Differences between engine speed and primary pulley speed: More than 1, 000 RPM
    • Differences between primary pulley speed and input speed: More than 1, 000 RPM
    • Differences between engine speed and input speed: 1, 000 RPM or less
    • Lock-up command is being given (except for slip lock-up)
    • DTC other than the applicable DTC is not detected.
  • Harness or connector

    (Primary speed sensor circuit is open or shorted)

  • Primary speed sensor