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Home >> Toyota >> 2009 >> Corolla S, 1.8 L, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Automatic Transmission - U341E) >> Automatic Transaxle System >> DTC P0717 Turbine Speed Sensor Circuit No Signal >> Description

DTC P0717 Turbine Speed Sensor Circuit No Signal: Description

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This sensor detects the rotation speed of the input turbine. By comparing the input turbine speed signal (NT) with the output shaft speed, the ECM detects the shift timing of the gears and appropriately controls the engine torque and hydraulic pressure according to various conditions. Thus, providing smooth gear shift.

DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
P0717 ECM detects conditions (a), (b) and (c) continuously for 5 sec. or more: (1 -trip detection logic)
  1. Vehicle speed: 50 km/h (31 mph) or more
  2. Park/neutral position switch (STAR, R and L) is OFF
  3. Speed sensor (NT): less than 300 rpm
  • Open or short in transmission revolution sensor NT (speed sensor NT) circuit
  • Transmission revolution sensor NT (speed sensor NT)
  • ECM
  • Automatic transaxle assembly