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Hyundai Tucson: Rear wheel speed sensor - Inspection

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Brake System / ESC (Electronic Stability Control) System / Rear wheel speed sensor - Inspection

Inspection

  1. Measure the output voltage between the terminal of the wheel speed sensor and the body ground.

WARNING

In order to protect the wheel speed sensor, when measuring output voltage, a 100Q resister must be used as shown.

  1. Compare the change of the output voltage of the wheel speed sensor to the normal change of the output voltage as shown below.

  • I low : 5.95 ~ 8.05 mA
  • I High : 11.9-16.1 mA
  • Frequency range : 0.03 ~ 3000 HZ

Installation

  1. Install in the reverse order of removal.

Description

The DBC function is the acronym word of Downhill Brake Control function. When a vehicle goes down the hill, just pushing the DBC switch enables the car to keep its vehicle's speed at a constant value without operating the brake pedal. The DBC function is operatjed when the vehicle is on the decline and its velocity is under the predetermined speed.

Removal

  1. Disconnect the battery negative ( - ) terminal.
  2. Remove the floor console upper cover.

    (Refer to Body - "Floor Console Assembly")

  3. Disconnect the floor console upper cover switch connector (A).

  1. Remove the screws and remove the floor console upper cover switch (A).

Installation

Installation

  1. Install in the reverse order of removal.

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