Hyundai Elantra (CN7): Body Electrical System / Power Door Locks

Hyundai Elantra (CN7) 2021-2026 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. Integrated Central Control Unit (ICU)
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 latch assembly
2. Door latch cable

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
Key Lock switch
CL motor
2
Key Unlock switch
COM motor
3
COM
-
4
Lock / Unlock switch
AJAR switch
5
AJAR switch
Lock / Unlock switch
6
-
COM
7
COM motor
Key Unlock switch
8
CL motor
Key Lock 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
-
CL motor
2
-
COM motor
3
COM
-
4
Lock / Unlock switch
AJAR switch
5
AJAR switch
Lock / Unlock switch
6
-
COM
7
COM motor
-
8
CL motor
-

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.

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.
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.

    Description and operation Description Abbreviation Expalnation ACUAirbag Control UnitADMAssist Door ModuleB_CANBody Controller Area NetworkBCMBody Control ModuleBCWBlind-Spot Collision WarningC_CANChassis Controller Area NetworkCLUCluster ModuleDATCDual Automatic Temp ControlDDMDriver Door ModuleESCElectronic Stability ProgramEMSEngine Management SystemLKASLane Keeping Assist SystemM_CANMulti media Controller Area NetworkMDPSMotor Driven Power SteeringP_CANPowertrain Controller Area NetworkPSMPower Seat ModuleSASSteering Angle SensorSJBSmart Junction BlockSMKSmart Key UnitPDWParking Distance WarningTCUTransmission Control UnitTPMSTire Pressure Monitoring SystemVDCVehicle Dynamic ControlTMUTelematics SystemABSAnti-lock Brake SystemCluster Variant CodingAs we have more options (ESC, MDPS, SCC, etc.

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