Hyundai Elantra: Smart Key System / Smart Key Unit Components and Components Location

Hyundai Elantra AD (2016-2020) Service Manual / Body Electrical System / Smart Key System / Smart Key Unit Components and Components Location

Components (1)

No	Connector A	Connector B	Connector C
1	BAT (+)_Signal	Driver's door antenna_GND	-
2	BAT (+)_Power	Driver's door antenna_Power	-
3	IGN 1	-	-
4	IGN 2_Relay output	B-CAN (High)	SSB LED (OFF)
5	IGN 1_Relay output	B-CAN (Low)	SSB LED (IGN)
6	Assist door antenna_GND	Wheel speed sensor	SSB LED (ACC)
7	Interior antenna 2_GND	AT : 'P' signal input MT : Clutch switch signal input	SSB Illumination (+)
8	Trunk antenna_GND	-	SSB Illumination (-)
9	Interior antenna 1_GND	C-CAN (Low)	Immoblizer antenna_GND
10	Bumpper antenna_GND	C-CAN (High)	Immoblizer antenna_Power
11	ACC	GND 1	-
12	IGN2	GND 2	Start signal feedback
13	ACC_Relay output	Assist door switch_signal	Stop lamp fuse
14	Starter_Relay output	Driver's door switch_signal	Brake switch
15	-	-	Immoblizer indicator
16	Assist door antenna_Power	EMS CAN	Exterior buzzer
17	Interior antenna 2_Power	ESCL CAN
18	Trunk antenna_Power	RPM_Input
19	Interior antenna 1_Power	SSB switch2
20	Bumpper antenna_Power	SSB switch1

Smart Key Repair procedures

Smart Key Smart Key Code Saving 1. Connect the DLC cable of GDS to the data link connector (16 pins) in driver side crash pad lower panel, turn the power on GDS. 2. Select the vehicle model a ...

Smart Key Unit Schematic Diagrams

Circuit Diagram ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Immobilizer Indicator Light
Immobilizer Indicator Light (without smart key) This indicator light illuminates: • When the vehicle detects the immobilizer in the key with the ignition switch in the ON position. - At this time, you can start the engine. - The indicator light goes off after starting the engine. This ind ...

Hyundai Elantra AD (2016-2020) Service Manual: Front Seat Belt Buckle Components and Components Location
Component Location 1. Front seat belt buckle ...