Hyundai Tucson: Front seat heater switch / Rear seat heater switch

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Body Electrical System / Seat Electrical / Front seat heater switch / Rear seat heater switch

  1. Front seat heater switch
  2. Rear seat heater switch

Circuit Diagram

Connector Pin Information



  • When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.
  • Put on gloves to prevent hand injuries.
  • Take care not to bend or scratch the trim and panels.
  1. Remove the console upper cover (A).

  1. Press the lock pin, separate the connectors (A).

  1. Remove the seat heater switch (A) after loosening mounting screws.



  1. Install the front seat heater switch.
  2. Install the console upper cover.
  3. Connect the negative (-) battery terminal.


     Air ventilation seat

    Component Location Air ventilation seat blower Air ventilation seat control unit Air ventilation seat duct Components Removal Cushion Blower Remove the front seat assembly. (Refer to Body - "Front Seat Assembly")

     Fuses And Relays

     Power Relay (Type A)

     Component Location Engine room junction block ICU Junction block Inspection Power Relay (Type A) There should be continuity between the No.30 and No.87 terminals when power and ground are connected to the No.85 and No.86


     Lane Keeping Assist (LKA)

    Lane Keeping Assist is designed to help detect lane markings (or road edges) while driving over a certain speed. Lane Keeping Assist will warn the driver if the vehicle leaves the lane without using the turn signal, or will automatically assist

     Tailgate Position And Direction

    Description Power tailgate is an electro-mechanical system designed to provide power opening and closing of the tailgate through the push of a button of a remote key (fob), console switch, inner switch or an outside handle switch of the tailgat