Kia Rio: Rear Wheel Speed Sensor Inspection - ESC(Electronic Stability Control) System - Brake System - Kia Rio UB 2012-2021 Service ManualKia Rio: Rear Wheel Speed Sensor Inspection

1.
Measure the output voltage between the terminal of the wheel speed sensor and the body ground.

     
In order to protect the wheel speed sensor, when measuring output voltage, a 120 Ω resister must be used as shown.


2.
Compare the change of the output voltage of the wheel speed sensor to the normal change of the output voltage as shown below.



V_low: 0.7 V ~ 1.0 V
V_high: 1.4 V ~ 2.0 V
Frequency range: 1 ~ 2,500Hz

Rear Wheel Speed Sensor Removal
1. Remove the rear wheel and tire. Tightening torque: 88.3 ~ 107.9 N.m (9.0 ~ 11.0 kgf.m, 65.1 ~ 79.6 lb-ft) ...

Yaw-rate and G Sensor Description
When the vehicle is turning with respect to a vertical axis the yaw rate sensor detects the yaw rate electroniclly by the vibration change of plate fork inside the yaw rate sensor. If yaw ...

See also:

EBD(Electronic Brake-force Distribution) Operation
The Electronic Brake force Distribution (EBD) system as a sub-system of the ABS system is to control the maximum braking effectiveness by the rear wheels. It further utilizes the efficiency ...

Measurement Point
Measurements should be taken at the center of the hole. ...

Compressor Removal
1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off. ...

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