Kia Picanto: ESC (Electronic Stability Control) System / Rear Wheel Speed Sensor

Kia Picanto JA 2017-2023 Service & Repair Manual / Brake System / ESC (Electronic Stability Control) System / Rear Wheel Speed Sensor

Repair procedures

Removal

Remove the wheel tire (A).

Tightening torque:

107.9 - 127.5 N·m (11.0 - 13.0 kgf·m, 79.6 - 94.0 lb·ft)

2.	Remove the luggage side trim. (Refer to Body - "Luggage Side Trim")

3.	Disconnect the rear wheel speed sensor connector.

4.	Install in the reverse order of removal.

Inspection

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 100 Ω resister must be used as shown.

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 : 0.59V - 0.84V

V_high : 1.18V - 1.68V

Frequency range : 1 - 2,500Hz

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