Hyundai Tucson: Diagnosis with Diagnostic tool

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Advanced Driver Assistance System (ADAS) / Rear Corner Radar System / Diagnosis with Diagnostic tool


  1. Rear corner radar unit
  2. Warning indicator
  3. Speaker (Cluster)

Diagnosis with Diagnostic tool

  1. In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool).

    The diagnostic system (Diagnostic tool) provides the following information.

(1) Fault Code Searching : Checking failure and code number (DTC)

(2) Data Analysis : Checking the system input/output data state

(3) Actuation test: Checking the system operation condition

(4) S/W Management: Controlling other features including system option setting and zero point adjustment

  1. Connect the cable of Diagnostic tool to the data link connector in driver side crash pad lower panel, and turn on the Diagnostic tool.
  2. If diagnose the vehicle by Diagnostic tool, select "DTC Analysis" and "Vehicle".

  1. If check current status, select the "Data Analysis"

  1. Select "BCW", if you want to check current data of BCW system.

  1. If you want to check each module operation forcefully, select "Actuation test".








Connector and Terminal Function


     Connector and Terminal Function

    Connector Funtion Removal Disconnect the negative (-) battery terminal. Remove the rear bumper assembly. (Refer to Body - "Rear Bumper Assembly") Disconnect the rear corner radar connector (A). Loosen the mounting n

     Rear Corner Radar Calibration

    Rear bumper accident vehicles and vehicles that replaced rear corner radar units must perform rear corner radar unit alignment using Diagnostic tool. Connect the cable of Diagnostic tool to the data link connector in driver side crash pa

     Parking Distance Warning (PDW)

    Description PDW consists of 8 sensors (front: 4 units, rear : 4 units) that are used to detect obstacles and transmit the result in three separate warning levels, the first, second and third to IBU via LIN communication. IBU decides the


     The DCT system-Adjustment

    Adjustment WARNING If you replaced the dual clutch assembly or clutch actuator, be sure to perform wear compensation by referring to the following table. If the rod length is less than 52 mm (2.0472 in.), replace all of the dual cl

     Operation and Leakage Check

    Inspection Brake Booster (A) (1) Check brake operation by applying the brakes during a test drive. If the brakes do not work properly, check the brake booster. Replace the brake booster as an assembly if it does not work properly or i