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Home >> Toyota >> 2014 >> Highlander XLE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 41 (Automatic Transmission (U760E) - Diagnostic Codes & Circuit Tests) >> Automatic Transaxle System >> DTC P0717: Input Speed Sensor Circuit No Signal; DTC P07BF: Input/Turbine Speed Sensor "A" Circuit Low; DTC P07C0: Input/Turbine Speed Sensor "A" Circuit High [10/2017 - ] >> Description

DTC P0717: Input Speed Sensor Circuit No Signal; DTC P07BF: Input/Turbine Speed Sensor "A" Circuit Low; DTC P07C0: Input/Turbine Speed Sensor "A" Circuit High [10/2017 - ]: Description

WARNING: This page is about a different variant/trim than selected.

This sensor detects the rotation speed of the turbine, which indicates the input shaft revolution (speed) of the transaxle. 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 shifts.

Fig 1: Intermediate Shaft Speed Sensor "A" Circuit Wiring Diagram
GTY434232Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
*1 Counter Gear *2 Clutch Drum
*3 Output Speed Sensor NC *4 Input Speed Sensor NT
DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory
P0717 Input Speed Sensor Circuit No Signal 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 (R) is OFF
(c) Speed sensor (NT): less than 300 rpm
  • Transmission revolution sensor (speed sensor NT)
  • Transmission wire
  • Wiring harness connector
  • ECM
Comes on DTC stored
P07BF Input/Turbine Speed Sensor "A" Circuit Low When the speed sensor input voltage is less than 0.2 V for 4.5 seconds or more. (1-trip detection logic)
  • Transmission revolution sensor (speed sensor NT)
  • Transmission wire
  • Wiring harness connector
  • ECM
Comes on DTC stored
P07C0 Input/Turbine Speed Sensor "A" Circuit High When the speed sensor input voltage is higher than 1.8 V for 4.5 seconds or more. (1-trip detection logic)
  • Transmission revolution sensor (speed sensor NT)
  • Transmission wire
  • Wiring harness connector
  • ECM
Comes on DTC stored