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Home >> Scion >> 2012 >> iQ >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> CVT Transaxle (Diagnostic Codes) >> Continuously Variable Transaxle System >> DTC P0715: Input/Turbine Speed Sensor "A" Circuit; DTC P0717: Input/Turbine Speed Sensor "A" Circuit No Signal >> Description
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DTC P0715: Input/Turbine Speed Sensor "A" Circuit; DTC P0717: Input/Turbine Speed Sensor "A" Circuit No Signal: Description

The ECM receives a signal from the turbine speed sensor (transmission revolution sensor (NT)) installed in the continuously variable transaxle to control the lock up engagement pressure and forward clutch pressure.

The transmission revolution sensor (NT) detects the continuously variable transaxle input shaft speed and sends it to the ECM.

DTC No. DTC Detection Condition
  1. Diagnosis Condition
  2. Malfunction Status
  3. Malfunction Time
  4. Other
 Trouble Area
P0715
  1. Transmission revolution sensor (NT) signal malfunction is not detected
  2. Transmission revolution sensor (NT) input voltage is less than 0.1 V, or more than 1.9 V
  3. 2 seconds
  4. 1-trip detection logic
  • Wire harness or connector
  • Transmission revolution sensor (NT)
  • ECM
P0717
  1. Driving with the shift lever in D, output shaft speed of 300 RPM or more, and no error detected from the park/neutral switch
  2. Transmission revolution sensor (NT) Speed: Less than 300 RPM
  3. 2 seconds
  4. 1-trip detection logic
  • Wire harness or connector
  • Transmission revolution sensor (NT)
  • ECM
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