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: Side Impact Sensor (SIS) Repair procedures
Removal Pressure Side Impact Sensor     • Removal of the airbag must be performed according to the precautions/procedures described previously. • Before disconnecting the side impact sensor connector(s), disconnect the side airbag connector(s). • Do not t ...

Hyundai Sonata LF 2014-2019 Service Manual: TPMS Sensor Description and Operation
Configuration State 1. Driving state Sensor transmissions occur every 1 minutes and pressure is measured every 15 seconds. 2. Stationary state Sensor transmissions does not occur and pressure is measured every 60 seconds. 3. Auto learning status When driving after stopping more than 1 ...

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