Hyundai Palisade (LX2): ESP(Electronic Stability Program) System / Front Wheel Speed Sensor

Hyundai Palisade (LX2) 2020-2026 Service Manual / Brake System / ESP(Electronic Stability Program) System / Front Wheel Speed Sensor

Components and components location

Components

Hyundai Palisade. Components and components location

1. Front wheel speed sensor
 2. Front wheel speed sensor connector

Repair procedures

Removal
Hyundai Palisade. Repair procedures   
•
Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.
(Refer to General Information - "Lift and Support Points")
1.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
2.
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)
Hyundai Palisade. Repair procedures   
•
Be careful not to damage the hub bolts when removing the front wheel and tire (A).

Hyundai Palisade. Repair procedures
3.
Remove the front wheel guard.
(Refer to Body - "Front Wheel Guard")
4.
Disconnect the front wheel speed sensor connector (A) and then remove the fixing clip (B).

Hyundai Palisade. Repair procedures
5.
Remove the front wheel speed sensor cable braket bolt (A).
Tightening torque :
19.6 - 29.4N.m (2.0 - 3.0 kgf.m, 14.5 - 21.7 lb-ft)

Hyundai Palisade. Repair procedures
6.
Loosen the bolt and then disconnect the front wheel speed sensor (A).
Tightening torque :
6.9 - 10.8 N.m (0.7 - 1.1 kgf.m, 5.1 - 8.0 lb-ft)

Hyundai Palisade. Repair procedures
Installation
1.
To install, reverse the removal procedure.
Inspection
1.
Measure the output voltage between the terminal of the wheel speed sensor and the body ground.
Hyundai Palisade. Repair procedures   
•
In order to protect the wheel speed sensor, when measuring output voltage, a 100Ω resister must be used as shown.

Hyundai Palisade. Repair procedures
2.
Compare the change of the output voltage of the wheel speed sensor to the normal change of the output voltage as shown below.

Hyundai Palisade. Repair procedures

V_low : 0.59V - 0.84V
V_high : 1.18V - 1.68V
Frequency range : 1 - 2,500 Hz

    Description and operation Description 1. The ESP OFF switch is for the user to turn off the ESP system. 2.

    Components and components location Components [2WD] 1. Front wheel speed sensor [4WD] 1.

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