Kia Sportage: ESP(Electronic Stability Program) System / Front Wheel Speed Sensor Repair procedures

Removal

Remove the front wheel and tire (A) from front hub .

Tightening torque:

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

Be careful not to damage to the hub bolts when removing the front wheel and tire (A).

Remove the wheel speed sensor(B) from the front alxe assembly(A),

Tightening torque:

8.8 - 13.7 N·m (0.9 - 1.4 kgf·m, 6.5 - 10.1 lb·ft)

3.	Remove the wheel speed sensor bracket.

Remove the wheel speed sensor cable braket bolt.

Tightening torque:

19.6 - 29.4 N·m (2.0 - 3.0 kgf·m, 14.5 - 21.7 lb·ft)

5.	Remove the front wheel guard.

6.	Disconnect the front wheel speed sensor connector and then remove the front wheel speed sensor.

7.	Installation is the reverse 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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