DTC P0717: Turbine Speed Sensor Circuit No Signal: Description
WARNING: This page is about a different car, the 2011 Toyota Matrix. However, it is still accessible from the selected car via links, so may be relevant.
This sensor detects the rotation speed of the input turbine. By comparing the input turbine speed signal (NT) with the counter gear speed sensor signal (NC), 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 No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| P0717 | ECM detects conditions (a), (b) and (c) continuously for 5 sec. or more: (1-trip detection logic) (a) Vehicle speed: 50 km/h (31 mph) or more (b) Park/neutral position switch (NSW, R and L) is OFF (c) Speed sensor (NT): less than 300 RPM |
|
Reference (Using an oscilloscope):
Check the waveform between terminals NT+ and NT- of the ECM connector.
Standard: Refer to the illustration.
| Terminal | Tool setting | Vehicle condition |
|---|---|---|
| NT+ - NT- | 5 V/DIV., 0.5ms./DIV. | Vehicle speed 20 km/h (12 mph) |