Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2017 Kia Optima Plug-In Hybrid EXFACTORY OEM SERVICE PROCEDURE
Components and Components Location: Components
WARNING: This page is about a different variant/trim than selected.
Connector Pin Information
| No. | Connector A | Connector B | Connector C | Connector D |
|---|---|---|---|---|
| 1 | Auto light power | LIN_Safety power down ECU | Front wiper low relay | - |
| 2 | Diagnosis_COM | - | Front wiper low back up switch | IGN1 |
| 3 | - | Key IN switch | Wiper ON relay | Room lamp |
| 4 | Heated handle indicator | Rear wiper washer switch | Rear wiper relay | Heated handle power |
| 5 | PAS ON indicator | Front wiper washer switch | Mirror unfold relay | IGN2_Heated handle power |
| 6 | Safety ECU Enable | Heated handle switch | Head lamp washer relay | Power_ground |
| 7 | Rear right seat belt indicator | Brake switch | - | - |
| 8 | - | - | Fog lamp switch | - |
| 9 | - | Key inter lock switch | Multifunction light switch | - |
| 10 | - | Sunroof open switch | - | Battery (+) |
| 11 | AST seat belt indicator | - | - | - |
| 12 | Pocket lamp | PAS (option) switch | Front wiper INT volume | RPAS power |
| 13 | Key hole illumination | PAS ON switch | Front wiper switch | FPAS power |
| 14 | ATM solenoid | Side airbag (option) | - | Ground_signal |
| 15 | KEY solenoid | Rear defogger switch | Front wiper high relay | - |
| 16 | Foot lamp | Blade position_Low | - | - |
| 17 | Auto light ground | Multifunction switch_ground | AV Tail | |
| 18 | Door lock indicator | C_CAN (High) | Mirror fold relay | |
| 19 | - | C_CAN (Low) | Rear fog lamp relay | |
| 20 | Security indicator | B_CAN (Low) | NTC_ground | |
| 21 | Rear center seat belt indicator | B_CAN (High) | Head lamp high switch | |
| 22 | - | - | Rear wiper switch | |
| 23 | - | LIN_Intrusion protection system | ACC IN | |
| 24 | Rear left seat belt indicator | LIN_Rain sensor | IGN2 | |
| 25 | LIN_PAS | - | ||
| 26 | - | Auto light sensor | ||
| 27 | Window lock switch | NTC sensor | ||
| 28 | - | Crash signal | ||
| 29 | - | |||
| 30 | - | |||
| 31 | - | |||
| 32 | - |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.