LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2018 >> Elantra Limited >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Smart Key System >> Smart Key Unit >> Component And Components Location >> Components Location (1)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Components Location (1)

Fig 1: Smart Key Unit Connector Terminals
G12023352Courtesy of HYUNDAI MOTOR AMERICA
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) Immobilizer antenna_GND
10 Bumper antenna_GND C-CAN (High) Immobilizer 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 - - Immobilizer 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 Bumper antenna_Power SSB switch1