Hyundai Elantra: Body Electrical System / Power Door Locks

Components and Components Location

Component Location

1. DDM (Driver Door Module)
2. ADM (Assist Door Module)
3. SJB (Smart Junction Block)
4. Door lock knob
5. Trunk lid actuator
6. Door latch module
7. Door lock/unlock switch
8. RLDM (Rear Left Door Module)
9. RRDM (Rear Right Door Module)

Power Door Lock Module Components and Components Location

Conponents

1. Door lock/unlock knob cable
2. Door inside handle cable
3. Door Latch

Power Door Lock Module 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
-
-
2
Lock / Unlock switch
Motor 2
3
COM
Motor 3
4
Key Lock switch
Key Unlock switch
5
Key Unlock switch
Key Lock switch
6
Motor 3
COM
7
Motor 2
Lock / Unlock switch
8
-
-

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
-
-
2
Lock / Unlock switch
Motor 2
3
COM
Motor 3
4
-
-
5
-
-
6
Motor 3
COM
7
Motor 2
Lock / Unlock switch
8
-
-

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

Trunk 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.

Power Door Lock Switch Repair procedures

Inspection
Power Door Lock Switch Inspection
1.
Check for continuity between the terminals. If there is an abnormality, replace the switch.

Removal
   
•
Be careful not to scratch the door trim and other parts.
•
Use caution in keeping and handling during disassembling/assembling because it is easily contaminated with lubricant and oil.
Driver Power Window Switch
1.
Disconnect the negative (-) battery terminal.
2.
Remove the front door trim.
(Refer to Body - "Front Door Trim")
3.
Remove the power window switch assembly after disengaging the mounting clips.

Installation
1.
Install the power window switch assembly.
2.
Install the front door trim after connect the connector.
3.
Connect the negative (-) battery terminal.
Troubleshooting
Troubleshooting Error ItemFailure symptomInspection items Detailed inspections Relevant Parts/ComponentsScreen displayTFT-LCD screen does not turn on 1. Connector attachments 2. Components ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Sunroof
If your vehicle is equipped with a sunroof, you can slide or tilt your sunroof with the sunroof control switch located on the overhead console. The sunroof can only be opened, closed, or tilted when the ignition switch is in the ON position. Information In cold and wet climates, the sunr ...

Hyundai Elantra AD (2016-2020) Service Manual: Photo Sensor Repair procedures
Inspection 1. Turn the ignition switch ON. 2. Connect the GDS. 3. Emit intensive light toward the photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and reduce with lower intensive light. 1. Auto light signal2. Auto ...

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