Hyundai Sonata: Keyless Entry And Burglar Alarm / Repair procedures

Inspection
   
Wrap the protective tape on the tool to disassemble with the screwdriver or remover.
Use caution in keeping and handling during disassembling/assembling because it is easily contaminated with lubricant and oil.
Front Door Lock Module Inspection
1.
Remove the front door trim.
(Refer to Body - "Front Door Trim")
2.
Remove the front door module.
(Refer to Body - "Front Door Module")
3.
Disconnect the connector from the actuator.

No
Pin Information
LH
RH
1
AJAR Switch
Motor 2
2
COM
Motor 1
3
Lock / UnLock switch
-
4
Key Lock switch
Key Unlock switch
5
Key Unlock switch
Key Lock switch
6
-
Lock / UnLock switch
7
Motor 1
COM
8
Motor 2
AJAR switch

4.
Check actuator operation by connecting power and ground according to the table. To prevent damage to the actuator, apply battery voltage only momentarily.

Rear Door Lock Module Inspection
1.
Remove the rear door trim.
(Refer to Body - "Rear Door Trim")
2.
Remove the rear door module.
(Refer to Body - "Rear Door Module")
3.
Disconnect the connectors from the actuator.

No
Pin information
LH
RH
1
AJAR Switch
Motor 2
2
COM
Motor 1
3
Lock / UnLock switch
-
4
-
-
5
-
-
6
-
Lock / UnLock switch
7
Motor 1
COM
8
Motor 2
AJAR Switch

4.
Check actuator operation by connecting power and ground according to the table. To prevent damage to the actuator, apply battery voltage only momentarily.

Tailgate Lock Module Inspection
1.
Remove the trunk lid trim.
(Refer to Body - "Trunk Lid Trim")
2.
Disconnect the connector from the actuator

3.
Check actuator operation by connecting power and ground according to the table. To prevent damage to the actuator, apply battery voltage only momentarily.

4.
Checking the trunk of the vehicle power option power refers to the trunk module.
Trunk Open Switch
1.
Disconnect the negative (-) battery terminals.
2.
Remove the trunk lid trim
(Refer to Body - "Trunk Lid Trim")
3.
Disconnect the trunk open switch assembly connector (A).

4.
Check for continuity between terminals in half latching condition according to the table.

Hood Switch
1.
Disconnect the connector (A).

2.
Check for continuity between the terminals and ground according to the table
(Refer to Body - "Hood Latch")

Description and Operation
Description Burglar Alarm State [B/A State] B/A StateDescriptionDISARM 1. In "DISARM" state, no vehicle start inhibition. So, when door, hood, or Tailgate is opened, there is no alarm sound ...

BCM (Body Control Module)
...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Tire Rotation
To equalize tread wear, HYUNDAI recommends that the tires be rotated every 7,500 miles (12,000 km) or sooner if irregular wear develops. During rotation, check the tires for correct balance. When rotating tires, check for uneven wear and damage. Abnormal wear is usually caused by incorrect tire pr ...

Hyundai Sonata LF 2014-2019 Owners Manual: Power adjustment
The front seat can be adjusted by using the control switches located on the outside of the seat cushion. Before driving, adjust the seat to the proper position so that you can easily control the steering wheel, foot pedals and controls on the instrument panel. WARNING NEVER allow children in the ...

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