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P0722 Output Speed Sensor Circuit No Signal

AutoHex Online Help: Hyundai GENESIS(BH) 0
Component Location
General Description

Input/output speed sensor is one body and installed in transmission. It's used hall sensor of an electric current type, and current is changed by magnetic variation. Each sensors are composite 2 pins and PCM/TCM supplied power to sensor and controled by PCM/TCM.



DTC Description

This code is set when vehicle speed is above 20km/h but output speed signal is not detected by Output speed sensor.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

Circuit no signal

Signal citcuit open/short

Power supplied citcuit open/short

Output speed sensor

PCM/TCM

Enable Conditions

Battery voltage > 10V

Engine speed > 400rpm

TR switch = "D"range or Sports mode

Threshold value

Output speed = 0rpm

Detecting Time

More than 4sec & 2 D/C

Fail safe

Locked into 5th gear

Sports mode 2 <-> 3 <-> 4 <-> 5 possible

Teaching not allow

Specification

Input/Output speed sensor : 2PIN(Supplied Power : 9V, Waveform of grating : 0.7~1.4V )

Diagnostic Circuit Diagram
Signal Waveform & Data

Fig 1) D range 1st

Fig 2) D range 4th