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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 184 (Automatic Transmission System (A960E) - Diagnostic Codes (1 Of 2)) >> Automatic Transmission System >> DTC P0722: Output Speed Sensor Circuit No Signal [04/2013 - 08/2015] >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2015 Lexus IS 250 and 2014 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.

The transmission revolution sensor (SP2) monitors the output shaft speed. The ECM controls the gearshift point and the lock up timing based on signals from the transmission revolution sensor (SP2) and throttle position sensor.

If the ECM detects no signal from the transmission revolution sensor (SP2) even while the vehicle is moving, it will conclude that the transmission revolution sensor (SP2) is malfunctioning. The ECM will illuminate the MIL and store this DTC.

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