Hyundai Sonata LF: Body Electrical System / Power Door Locks

Hyundai Sonata LF 2014-2019 Service Manual / 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")

Disconnect the connector from the actuator.

No	Pin Information
No	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")

Disconnect the connectors from the actuator.

No	Pin information
No	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")

Power Door Lock Switch Repair procedures

Inspection

Diagnosis with GDS

The body electrocal system can be quickly diagnosed failed parts with vehicle diagnostic system (GDS).

The diagnostic system (GDS) provides the following information.

(1)	Self diagnosis : Checking the failure code (DTC) and display

(2)	Current data : Checking the system input/output data state

(3)	Actuation test : Checking the system operation condition

(4)	Additional function : Other controlling such as he system option and zero point

2.	Select the "Car Model" and the system to be checked in order to check the vehicle with the tester.

3.	Select the "Body Control Module (BCM)" to check the driver seat or assistant door module (DDM/ADM).

4.	Select the "Current Data" menu to search the current state of the input/output data. The input/output data for the sensors corresponding to the driver seat or assistant door module(DDM/ADM) can be checked.

5.	If you will check the power door lock operation forcefully, select "Actuation test".

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")

Remove the power window switch assembly after disengaging the mounting clips.

-	Replace any damaged 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 ItemFailureSymptomInspection Items Detailed Inspections Relevant Parts/ComponentsScreen displayTFT-LCD screen does not turn on 1...

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Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location

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Hyundai Sonata LF 2014-2019 Service Manual: Power Window Switch Schematic Diagrams

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