Kia Cadenza YG: ESC(Electronic Stability Control) System / Front Wheel Speed Sensor Repair procedures

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)

2.
Remove the front wheel speed sensor mounting bolt (A).

Tightening torque:
6.9 ~ 9.8 N.m (0.7 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft)

3.
Remove the front wheel guard .
4.
Remove the front wheel speed sensor cable mounting bolt.
5.
Disconnect the front wheel speed sensor connector, then remove the front wheel speed sensor.
6.
Installation is the reverse 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

    Components 1. Front wheel speed sensor2. Front wheel speed sensor connector

    Components 1. Rear wheel speed sensor 2. Rear wheel speed sensor cable

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Adaptive Front Lighting System Description and Operation

    Description AFLS Unit(ECU) AFLS located in Cockpit Module is provided information of vehicle (steering wheel signal,vehicle speed, inclination of vehicle). Based on provided information , it calculates algorithm and adjust Low beam of H/Lamp. It transmits driving information by using LIN protocol, it is operated in Fail-safe reaction mode

    Kia Cadenza YG 2016-2021 Service Manual: Parking Assist Sensor Repair procedures

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