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: Power window lock switch
The driver can disable the power window switches on the rear passenger doors by pressing the power window lock switch. When the power window lock switch is pressed: The rear passenger control will not be able to operate the rear passenger power window Note that the front passenger cont ...

Hyundai Elantra AD (2016-2020) Service Manual: Power Window Switch Components and Components Location
Components [Driver Power Window Switch] [Assist Power Window Switch] [Rear Power Window Switch] ...

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