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Home >> Toyota >> 2017 >> Corolla LE >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Continuously Variable Transaxle - Diagnostic Codes (2 Of 3) (Model Code: ZRE172) >> Continuously Variable Transaxle System >> DTC P0715, P0717; Input/Turbine Speed Sensor "A" Circuit [08/2014 - 08/2016] >> Description
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DTC P0715, P0717; Input/Turbine Speed Sensor "A" Circuit [08/2014 - 08/2016]: Description

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

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

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory
P0715 Input/Turbine Speed Sensor "A" Circuit
  1. Diagnosis Condition
    • A transmission revolution sensor (NT) signal malfunction is not detected.
  2. Malfunction Status
    • The transmission revolution sensor (NT) output voltage is less than 0.1 V, or higher than 1.9 V.
  3. Malfunction Time
    • 2 seconds
  4. Other
    • 1-trip detection logic
  • Wire harness or connector
  • Continuously variable transaxle assembly (Transmission revolution sensor (NT))
  • ECM
 Comes on DTC stored
P0717 Input/Turbine Speed Sensor "A" Circuit No Signal
  1. Diagnosis Condition
    • The vehicle is driven with the shift lever in D, the output shaft speed is 300 rpm or more, and no error is detected in the park/neutral position switch assembly.
  2. Malfunction Status
    • The speed indicated by the transmission revolution sensor (NT) is less than 300 rpm.
  3. Malfunction Time
    • 2 seconds
  4. Other
    • 1-trip detection logic
  • Wire harness or connector
  • Continuously variable transaxle assembly (Transmission revolution sensor (NT))
  • ECM
 Comes on DTC stored
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