Kia Optima: Power Door Locks / Power Door Lock Module

Kia Optima DL3 2019-2025 Service and Repair Manual / Body Electrical System / Power Door Locks / Power Door Lock Module

Repair procedures

Inspection

When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage.

Front Door Lock Module

1.	Disconnect the negative battery terminal.

2.	Remove the front door module. (Refer to Body - "Front Door Module")

Disconnect the connector from the door lock actuator.

Pin	Function
Pin	Left	Right
1	-	M2
2	-	M3
3	COM	-
4	Lock/Unlock switch	AJAR
5	AJAR	Lock/Unlock switch
6	-	COM
7	M3	-
8	Motor 2	-

4.	Check actuator operation by connecting power and ground as shown below. To prevent damage to the actuator, apply battery voltage only momentarily. [LH] [RH]

Rear Door Lock Module

1.	Disconnect the negative battery terminal.

2.	Remove the rear door module. (Refer to Body - "Rear Door Module")

Disconnect the connector from the door lock actuator.

Pin	Function
	Left		Right
	Central Lock	Power Child Lock	Central Lock	Power Child Lock
1	-	Power child switch	M1	M2
2	COM	COM	M2	M3
3	Lock/Unlock switch	Lock/Unlock switch	-	M1
4	AJAR	AJAR	-	M4
5	-	M4	AJAR	AJAR
6	-	M1	Lock/Unlock switch	Lock/Unlock switch
7	M2	M3	COM	COM
8	M1	M2	-	Power child switch

4.	Check actuator operation by connecting power and ground as shown below. To prevent damage to the actuator, apply battery voltage only momentarily. [Central Lock] [Power Child Lock] [LH] [RH]

Trunk Lock Module

1.	Disconnect the negative battery terminal.

2.	Remove the trunk lid trim. (Refer to Body - "Trunk Lid Trim")

3.	Disconnect the trunk lock module connector (A).

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

Removal

Front Door Lock Module

1.	Remove the front door latch. (Refer to Body - "Front Door Latch")

Rear Door Lock Module

1.	Remove the rear door latch. (Refer to Body - "Rear Door Latch")

Trunk Lock Module

1.	Remove the trunk lid latch. (Refer to Body - "Trunk Lid Latch")

Installation

1.	Install in the reverse of the removal.

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