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

Kia Picanto JA 2017-2022 Service & Repair Manual / Brake System / ESC (Electronic Stability Control) System / Rear Wheel Speed Sensor

Repair procedures
Removal
1.
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
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 100 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 : 0.59V - 0.84V
V_high : 1.18V - 1.68V
Frequency range : 1 - 2,500Hz
Front Wheel Speed Sensor
Repair procedures Removal 1. 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. Loosen the wheel speed sen ...

ESP OFF Switch
Description and operation Description 1. The ESC OFF switch is for the user to turn off the ESC system. 2. The ESC OFF lamp is on when ESC OFF switch is engaged. Repair procedures ...

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