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

Hyundai Sonata LF 2014-2019 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
-
?
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 Sonata LF 2014-2019 Service Manual: Antenna Repair procedures
Inspection Glass Antenna Test 1. Wrap aluminum foil (A) around the tip of the tester probe (B) as shown. 2. Touch one tester probe to the glass antenna terminal (A) and move the other tester probe along the antenna wires to check that continuity exists. Glass Antenna Repair &nb ...

Hyundai Sonata LF 2014-2019 Owners Manual: Charging System Warning Light
If this warning light comes on while the engine is running, the battery is not being charged. Immediately turn off all electrical accessories. Try not to use electrically operated controls, such as the power windows. Keep the engine running; starting the engine will quickly discharge the battery ...

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