Window Regulator Motor
Circuit Diagrams
Wiring Diagram
[Safety Window Motor]

[Standard Window Regulator]

Repair Procedures
Inspection
Front Power Window Motor
Disconnect the negative battery cable.
Remove the front door trim panel.
(Refer to Body - "Front Door Trim Panel")
Disconnect the connector from the motor.

Connect the motor terminals directly to battery voltage (12 V) and check that the motor operates smoothly. Then reverse the polarity and check that the motor operates smoothly in the reverse direction. If the operation is faulty, replace the motor.
[Security Window Motor]

[Standard Window Motor]

Rear Power Window Motor
Disconnect the negative battery cable.
Remove the rear door trim.
(Refer to Body - "Rear Door Trim Panel")
Disconnect the connector from the motor.

Connect the motor terminals directly to battery voltage (12 V) and check that the motor operates smoothly. Then reverse the polarity and check that the motor operates smoothly in the reverse direction. If the operation is faulty, replace the motor.
[Security Window Motor]

[Standard Window Motor]

Removal
Front Power Window Motor
Disconnect the negative battery cable.
Remove the front door trim panel.
(Refer to Body - "Front Door Trim Panel")
Disconnect the front window regulator motor connector (A).

Remove the front power window motor (A) after loosening the mounting bolts.

Rear Power Window Motor
Disconnect the negative battery cable.
Remove the rear door trim.
(Refer to Body - "Rear Door Trim Panel")
Disconnect the rear window regulator motor connector (A).

Remove the rear power window motor (A) after loosening the mounting bolts.

Installation
Install in the reverse order of removal.
Test yourself
A quick Kia Optima DL3 quiz: every answer comes with an explanation and a link to the manual page.