Kia Optima TF (Magentis) 3G – fuse and relay

The 3rd generation Kia Optima was introduced in 2010. Produced in 2011, 2012, 2013, 2014 and 2015. Also known as Kia Magentis. During this time, the model has been restyled. In this article, we will present for review a designation of the 3rd generation Kio Optima fuses and relays with boxes diagrams and their locations. Let’s highlight the fuse responsible for the cigarette lighter.

Kia Optima 3

The current box diagrams and the purpose of their elements will be presented on the reverse side of the protective cover, check the designation.

Passenger compartment

It is located in the passenger compartment, under the dashboard, on the driver’s side, behind the protective cover.

access to the unit in the salon

Type 1

Kia Optima 3 block in the cabin option 1


Scheme option 1

Type 2

Block in the cabin option 2


Block diagram in the cabin option 2

Protected components

F1 MODULE 3Sport Mode Switch, Key Lock Solenoid (w / o e-key)
F2 StartControl unit el. key (with e-key)
F3 Power socketFront power outlet
F4 MODULE 5Control unit el. key (with smart key), rear seat heater relay left / right, engine compartment fuse and relay box (relay 2)
F5 MODULE 2ВСМ (body electrical equipment control unit), panoramic sunroof, rain sensor
F7 TrunkTrunk lid relay, fuel filler flap and trunk opener switch, trunk lid opener motor, ICM relay box (fuel filler flap open relay)
F8 ClockDecorative lamp for driver / passenger door, electric outside mirror switch, air conditioning control unit, decorative lamp for instrument panel extension, ceiling console lamp, amplifier, BCM (control unit for body electrical equipment), electronic control unit. key (with electronic key), audio system, audio-visual head unit with navigation
F9 CigarCigarette lighter
F10 Heating steering wheel an arm.Steering wheel heater
F11 SnowflakeAir conditioning control module, relay and fuse box M / O (RELAY 14)
F12 BrushRelay and fuse box M / O (RELAY 11/12), multi-function switch, front wiper motor
F13 Obr. seatingHeated driver / passenger seat cushion with climate control (with climate control seats), driver / passenger seat heater module (without climate control seats)
F14 SpareSpare
F15 MirrorPower outside mirror, driver / passenger side
F16 MODULE 4Driver / passenger seat cushion heater with climate control (with seat climate control), driver / passenger seat heater module (without seat climate control), front seat heater and seat climate control switch
F17 IndicatorInstrument cluster
F18 StartControl unit el. key (with electric key), alarm relay (without electric key)
F19 Gr. seatingRear seat heater relay LEFT / RIGHT
F20 SeatPassenger seat manual switch
F21 Against headlightsRear fog lamp relay
F22 MODULE 1Drive of the left / right headlight tilt angle corrector, BCM unit, automatic headlight range control unit (HLLD auto), manual headlight range control unit (HLLD), automatic transmission lever position indicator, instrument cluster, electrochromic mirror, integrated module driver seat memory systems, rear parking aid buzzer, air conditioning control unit, lane keeping system module, parking aid module
F23 EmptyReserve
F24 IndicatorPSB control module, seat belt reminder indicator (right-hand drive), warning light (Europe)
F25 Door glassDriver window module with power anti-pinch glass (left hand drive), passenger window module with power glass with anti-pinch protection (right hand drive), left rear door window module with power anti-pinch glass, relay left electric glass lifter
F26 Forced.Amplifier
F27 StartControl unit el. key, key fob holder, start and stop button
F28 SpareSpare
F29 MDPSInstrument Panel Extension Switch, EPS Control Module (with MDPS), Steering Angle Sensor (without MDPS)
F30 StartControl unit el. key (with e-key)
F31 Glass doorDriver window module with power anti-pinch glass (right hand drive), passenger window module with power glass with anti-pinch protection (left hand drive), right rear door window module with power anti-pinch glass, relay for right electric glass lifter
F32 SeatDriver’s seat IMS module, driver’s seat manual mode switch, driver’s seat lumbar support switch (2-way)
F33 Door lockDoor lock relay, door unlock relay, turn signal horn relay, double lock relay (right side control)
F34 LukePanoramic sunroof
F35 ING 1Engine compartment relay and fuse box (F11-10A, F12-15A, F13-10A)
F36 Audio systemAudiovisual head unit with navigation
F37 Interior lampExternal handle el. driver / passenger door key (with electric key), driver / passenger door lamp, air conditioning control unit, ignition key illumination and door opener switch (without electric key), radio frequency receiver (with electric key), driver IMS unit, VSM , Power Mirror Switch, Auto Lamp Off Relay, Data Link Connector, Driver / Passenger Threshold Lamp, Instrument Cluster, Auto Lights On and Photocell (Alarm Arm)


On the back of the unit, there can be separate relays: the relay for the left and right windows with a glass servo, the relay for the trunk lid and the door lock relay.

Engine compartment

Main fuse box

Located on the left side of the engine compartment.

block under the hoodPhoto for example

Main unit under the hood option 1


Main block diagram


IP B+ 260A I/P Junction Box (P/SEAT DRV 30A, P/SEAT PASS 20A, AMP 30A, PDM 2 7.5A, IPS 5, IPS 6, ARISU 2)
B+ 4 (Not Used)60A
IGN 240A E/R Fuse & Relay Box (Start Relay), Fuse & Relay Box (PDM 3(IG 2) Relay), Ignition Switch
ABS 140A ESC Module
RR HTD (G4KJ)/ C/FAN HI (G4KH)40/60A E/R Fuse & Relay Box (RR HTD Relay) (G4KJ) C/FAN (HI) Relay (G4KH)
BLOWER40A E/R Fuse & Relay Box (Blower Relay)
IP B+ 160A I/P Junction Box (PDM 1 25A, MODULE 3 7.5A, S/HEATER FRT 20A, S/HEATER RR 15A TRUNK 10A, P/WDW LH 25A, P/WDW RH 25A), Power Connector (AUDIO 15A))
MDPS80A EPS Control Module
RR HTD IND10A A/C Control Module
AMS10A Battery Sensor
STOP LP10A E/R Fuse & Relay Box (HAC Relay), Smart Key Control Module, Stop Lamp Switch
DEICER10A E/R Fuse & Relay Box (Deicer Relay)
LDC 130A
C/FAN40A E/R Fuse & Relay Box (C/Fan(HI) Relay, C/Fan(LO) Relay)
ABS 230A Multipurpose Check Connector, ESC Module
LDC 230A
CVVL(Not Used)/ RR THD (G4KH)40A RR HTD Relay (G4KH)
IPB+350A I/P Junction Box (Power Connector (ROOM LP 10A), SUNROOF 20A, DR LOCK 20A IPS 1, IPS 3, ARISU 1)
IGN 140A Fuse & Relay Box (PDM 1(ACC) Relay, PDM 2(IG 1) Relay), Ignition Switch
EMS40A EMS Box (HORN 15A, ECU 3 10A, ECU 1 30A, F/PUMP 20A)
TCU 215A Back-Up Lamp Switch, Vehicle Speed Sensor, Transaxle Range Switch
ABS 310A E/R Fuse & Relay Box (HAC Relay), Stop Lamp Switch, ESC Module, Multipurpose Check Connector
B/UP LP10A A/V & Navigation Head Unit, Audio, Electro Chromic Mirror, BCM, Rear Combination Lamp(ln) LH/RH
A/CON10A A/C Control Module

Relay layout

Relay assignment

Relay designation

  1. Front window defogger relay
  2. Relay block SMK
  3. HAC relay
  4. Rain sensor relay
  5. Fan relay
  6. Horn relay
  7. Wiper relay
  8. Reserve
  9. Reserve
  10. Start relay
  11. Air conditioner fan relay (low speed)
  12. A / C Fan Relay (High Speed)
  13. Fuel pump relay
  14. Signal relay
  15. Heated rear window relay
  16. Engine control relay
  17. Start Button Relay 1 (ACC)
  18. Start Button Relay 2 (IG1)
  19. Start Button Relay 3 (IG2)
  20. Reserve

Additional box

Installed at the front of the engine compartment on diesel models.

Additional block


Additional block diagram


  • 80A – glow plugs
  • PTC HEATER – heater (additional heater)
  • 30A – fuel filter

Main fuse

The main power fuse is located on the positive terminal of the battery and is designed as a fusible link.

Main fuse

If the diagrams do not fit, study the description for the 4th generation Kia Optima .

Still have questions? Ask them in the comments.

Comments 1

  • What fuse controls the headlamps/ head lights. Nothing clearly states this. My low beams went out at the same time, but my high beams do not work. I have a 2015 Kia optima.

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