Hyundai Sonata: 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
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Other information:
Hyundai Sonata LF 2014-2019 Owners Manual: Battery saver function
The purpose of this feature is to prevent the battery from being discharged.
The system automatically turns off the parking lamp when the key is removed (remote
key) or when the driver turns the engine off (smart key) and opens the driver-side
door.
With this feature, the parking lamps will turn ...
Hyundai Sonata LF 2014-2019 Owners Manual: Turn signals and lane change signals
To signal a turn, push down on the lever for a left turn or up for a right turn
in position (A). To signal a lane change, move the turn signal lever slightly and
hold it in position (B).The lever will return to the OFF position when released
or when the turn is completed.
If an indicator stays o ...
