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Home >> Lexus >> 2018 >> ES 350 >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission (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 [07/2015 - ] >> Monitor Description
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Monitor Description

The NT terminal of the TCM detects a revolution signal from the speed sensor (NT) (input RPM). The TCM calculates gear shifts comparing the speed sensor (NT) with the speed sensor (NC).

While the vehicle is operating in 2nd, 3rd, 4th or 5th gear with the shift lever in D, if the input shaft revolution (speed) is less than 300 rpm*1 although the output shaft revolution (speed) is more than 1000 rpm*2, the TCM interprets this as a fault, illuminates the MIL and stores the DTC.

*1: Pulse is not output or is irregularly output.

*2: The vehicle speed is 50 km/h (31 mph) or more.