Hyundai Tucson: Automatic Stop Operation Check

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Body Electrical System / Rear Wiper Washer / Automatic Stop Operation Check

  1. Operate the motor at low speed using the stalk control.
  2. Stop the motor operation anywhere except at the off position by disconnecting terminal 3.
  3. Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 1.
  4. Check that the motor stops running at the off position.

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. If diagnose the vehicle by diagnostic tool, select "DTC Analysis" and "Vehicle".

  1. Select the 'Data Analysis'.

  1. Select the 'IBU_BCM' to search the current state of the input/output data.



  1. Disconnect the negative (-) battery terminal.
  2. Remove the clock spring.

    (Refer to Restraint - "Driver Airbag(DAB) and Clock Spring")

  3. Disconnect multifunction switch assembly connector (A).

  1. Remove the multifunction switch assembly (B) after loosening the clamp (A).



  1. Install the multifunction switch assembly.
  2. Install the steering column upper and lower shrouds.
  3. Install the steering wheel.
  4. Connect the negative (-) battery terminal.



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