Hyundai Elantra: Seat Electrical / Power Seat Control Switch Repair procedures

Inspection

Seat Control Switch

1.	With the power seat switch in each position, make sure that continuity exists between the terminals below. If continuity is not as specified, replace the power seat switch. [Power Seat Control Switch]

Removal

1.	Disconnect the negative (-) battery terminal.

2.	Remove the front seat outer shield cover. (Refer to Body - "Front Seat Outer Shield Cover")

3.	Remove the power seat control switch (A) after loosening the screws.

Installation

1.	Install the power seat control switch after connecting the connector.

2.	Install the front seat outer shield cover.

3.	Connect the negative (-) battery terminal.

Circuit Diagram ...

Component Location [Front Seat Heater (Non-Air ventilation)] [Front Seat Heater (Air ventilation)] [Rear Seat Heater] ...

Hyundai Elantra AD (2016-2020) Service Manual: Heater & A/C Control Unit (DATC) Components and Components Location
Components ConnectorPin NOFunctionConnectorPin NOFunctionA1Battery (+)A21IGN12IGN222ILL+ (TAIL)3ISG B+23Sensor ground REF (+5V)4Mode control actuator (Vent)24C_CAN High5Mode control actuator (Def)25C_CAN Low6Mode control actuator (Feedback)26HTD (Rear defog indicator)7Intake actuator (Fresh)27- ...