Kia Rio: Front Wheel Speed Sensor Inspection - ESC(Electronic Stability Control) System - Brake System - Kia Rio UB 2012-2025 Service ManualKia Rio: Front 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

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

Rear Wheel Speed Sensor Components
1. Rear wheel speed sensor connector 2. Rear wheel speed sensor ...

See also:

Brake Booster Operating Test
For simple checking of the brake booster operation, carry out the following tests. 1. Run the engine for one or two minutes, and then stop it. If the pedal depresses ...

Inspection
Horn Inspection Test the horn by connecting battery voltage to the 2 terminal and ground the 1 terminal. 1 : 12V Ground(-) 2 : 12V (+)    ...

Components
1. Guide rod bolt 2. Bleed screw 3. Caliper carrier 4. Caliper body 5. Brake pad 6. Pad retainer ...

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