Wiper motor
Circuit Diagrams
Connector and Terminal Function

| Pin | Function |
| 1 | Ground (-) |
| 2 | Parking |
| 3 | Power (+) |
| 4 | Low |
| 5 | High |
Repair Procedures
Removal
Remove the upper hood cover.
(Refer to Body - "Upper Cowl Cover")
Remove the wiper motor and linkage (A) after loosening the mounting bolts.
Tightening torque: 6.9–10.8 N·m

Disconnect the wiper motor connector (A).

Installation
Install in the reverse order of removal.
Inspection
Diagnosis Using KDS
In the body electrical system, faults can be quickly diagnosed using the Korean Diagnostic System (KDS).
The Diagnostic System (KDS) provides the following information.
Self-diagnosis: check for malfunction and diagnostic trouble code (DTC).
Current Data: Check the system input/output status.
Operation check: Check the operating status of the system.
Special Function: Control of other functions, including parameter setting and zero point adjustment.
Select "Vehicle Model" and "Integrated Body Control Unit (IBU)" to be checked in order to inspect the vehicle with the tester.
Select the "Current Data" menu to view the current input/output data status.
Test yourself
A quick Kia Optima DL3 quiz: every answer comes with an explanation and a link to the manual page.