Hyundai Sonata LF: Seat Electrical / Seat Heater Switch Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Body Electrical System / Seat Electrical / Seat Heater Switch Repair procedures

Removal

[Front Seat]

1.	Disconnect the negative (-) battery terminal.

2.	Remove the heater and A/C control unit. (Refer to Heating, Ventilation and Air Conditioning - "Controller")

[Rear Seat]

1.	Disconnect the negative (-) battery terminal.

2.	Remove the rear door window switch. (Refer to Power Windows - "Power Window Switch")

Seat Heater Switch Schematic Diagrams

C..

Air Ventilation Seat Components and Components Location

C..

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Power Window Switch Description and Operation

Description System Diagram Driver Door Module (DDM) Driver Door Module (DDM) is part of CAN configuration, communicating with BCM, SMK, SJB, PSM, and ADM via CAN while performing wired signal I/Os with safety power windows. Operate the buttons of DDM located on the inner side of the driver door to perform any functions related to power windows, electric mirror, and door lock/unlock...

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting