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P0722 Output Speed Sensor Circuit No Signal

AutoHex Online Help: Hyundai i30(GDe) 2013
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 supplied power to sensor and controled by PCM.



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

Enable Conditions

TR switch = "D"range

Vehicle Speed > 20km/h

Engine speed > 400rpm

Battery voltage > 10V

Threshold value

Output speed = 0rpm

Detecting Time

More than 4sec

Fail safe

Locked into 4th gear

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

Teaching not allow

Specification

Classification

Output Voltage

At HIGH

1.18 ~ 1.68V (11.8 ~ 16.8mA)

At LOW

0.59 ~ 0.84V (5.9 ~ 8.4mA)

Diagnostic Circuit Diagram
Signal Waveform & Data

Fig 1) Input/Output speed sensor at low speed

Fig 2) Input/Output speed sensor at high speed