Hyundai i40 fuse and relay

Hyundai i40 is a family car, produced in 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 with both diesel and gasoline engines. During this time, the model has been restyled. In this article, you will find a designation of the fuses and relays of the Hyundai i40 with box diagrams and their locations. Note the cigarette lighter fuse.

Hyundai i40

The design of the boxes and the purpose of the elements in them may differ from that shown and depends on the year of manufacture and the level of equipment. Check the description with your diagrams on the back of the protective cover.

Passenger compartment fuse box

It is located at the bottom of the dashboard; remove the protective cover to access.

Block in the salon Hyundai i40


Block diagram in the cabin


POWER OUTLET 2Console power outlet, rear power outlet
POWER TAIL GATEElectric boot lid
MODULE 1Electronic key control unit, BCM, audio system, amplifier, JBL AMP, audio-visual head unit with navigation, DC-DC converter (audio system / amplifier), ceiling lamp of the console, parking aid, electric outside mirror switch
MODULE 4Relay and fuse box m / o (relay 12), brake light switch, multi-functional diagnostic connector, active choke device, fuel filter warning sensor (D4FD)
MODULE 3Electronic key control unit, BCM, panoramic sunroof, rain sensor, driver / passenger CCS control module, ICM relay box (headlight washer relay)
POWER OUTLET 1Front power outlet
P/SEAT PASSPassenger side manual switch
HTD MIRROutside mirror with electric drive, driver / passenger side, ECM / R CM, air conditioning control unit
AMPAmplifier, JBL AMP, DC to DC Converter (Amplifier)
WIPER FRTICM relay box (rain sensor relay), multi-function switch, under-hood fuse / relay box (relay 7), windshield wiper motor
A / CONEngine compartment relay and fuse box (relay 4), EMS unit (fuel heater relay), diesel unit (heater relay with PTC No. 2 / No. 3), air conditioning control unit
STEERING WHEEL HEATERSteering wheel heater
P / WDW LHRelay left door lift glass, main switch driver / passenger power lift glass, anti-pinch power lift glass module, anti-pinch rear left power lift glass module, rear left power lift glass module
PDM 1Trunk Lid Release Relay, Trunk Lid Latch (Saloon), Power Trunk Lid Latch / Trunk Lid Latch (Estate), ICM Relay Box (Fuel Filter Lock / Unlock Relay)
P/SEAT DRVDriver IMS unit, driver side manual switch
MODULE 2BCM, immobilizer module, converter (audio / amplifier), audio system, electrochromic mirror, vehicle lane keeping assist module, air conditioning control module, headlight left / right, driver IMS module, automatic headlight range control device, portable lamp, headlight range control unit (left / right), rear left / right seat heater, tire pressure monitor module, driver / passenger CCS control module, automatic transmission selector lever indicator, console switch, driver / passenger seat heating module
WIPER RRRear wiper relay, rear wiper motor, multi-function switch, rear blind module
BRAKE SWITCHBrake light switch
P/WDW RHRelay RH door lifter glass, Main switch driver / passenger power lift glass, anti-pinch power lift glass module, anti-pinch power rear right lift glass module, rear right power lift glass module
PDM 2Electronic key control unit, start and stop button, immobilizer module
MODULE 5Driver / Passenger Electric Key Outside Handle, Driver / Passenger Power Outside Mirror, Active Choke, Left / Right Rear Seat Heater Switch, Auto Light Sensor and Photocell, Sport Mode Switch, Key Solenoid
IG1Relay and fuse box m / o (fuse F27, F28, F29, F30, F31)
MODULE 6Instrument panel, front left / right seat heater switch, front adaptive lighting module, electric parking brake module
MDPSEPS control unit
DR LOCKDoor Lock / Unlock Relay, ICM Relay Box (Dual Lock Relay), Passenger / Driver Side Door Lock Actuator, Rear Left / Right Door Lock Actuator
S/HEATER FRTDriver / passenger seat CCS control unit, driver / passenger seat heater control unit
INTERIOR LAMPDriver / Passenger Door Lamp, Roof Console Lamp, Portable Lamp, Ceiling Lamp, Glove Compartment Lamp, Trunk Lamp, Driver / Passenger Step Lamp, Trunk Lamp, Rear Left / Right Tail Lamp, Left / Right Visor Lamp driver
MULTI MEDIAAudio system, audio-visual head unit with navigation, converter (audio system)
A/BAGSRS control unit
CURTAINRear curtain module
MEMORY 1Instrument cluster, tire pressure monitoring module, rear curtain module, tilt sensor, air conditioning control module, BCM, ultrasonic sensor for protection against unauthorized access to the passenger compartment, driver IMS siren module, electric outside mirror switch
A/BAG INDInstrument cluster
PDM 3Electronic key control unit
S/HEATER RRRear Seat Heater Unit (Left / Right)
MEMORY 2Radio receiver
PDM 1Electronic key control unit
STARTWithout start button: engine compartment relay and fuse box (relay 8), ignition switch, automatic transmission range switch; with start button: ECM / PCM, automatic transmission range switch
SUNROOFPanoramic sunroof

The fuses designated as POWER OUTLET are responsible for the cigarette lighter and additional sockets.

Engine compartment

Fuse box

Located on the left side of the engine compartment.

Block under the hood hyundai i40


Block diagram under the hood i40


MDPSEPS control unit
B+ 1Junction box l / P (IPS 0 (4CH), IPS 1 (4CH), IPS 2 (2CH), fuse F13 / F14 / F19 / F20 / F21 / F26 / F36)
ABS 1ESP control unit, multi-functional diagnostic socket
ABS 2ESP control unit, multi-functional diagnostic socket
IG 2Relay 9 (start relay), ignition switch (without start button), relay 6 (relay MRP 4 (ZAZH.2), with start button)
BLOWERRelay 4 (fan relay)
RR HTDRelay 11 (rear window defogger relay)
B+ 2Junction box l / P (IPS 3 (4CH), IPS 4 (4CH), fuse F2 / F7 / F9 / F15)
AMPAmplifier, converter (amplifier)
EPB 1Electric parking brake module
EPB 2Electric parking brake module
C/FANRelay 1 (cooling fan relay (low), relay 2 (cooling fan relay (high)
FRONTICM relay box (defroster relay)
DEICERRelay 5 (horn relay), ICM relay box (defroster relay)
HORNRelay 12 (US relay), brake light relay
STOP LAMPICM relay box (headlight washer relay)

Additional box

It is installed on diesel versions of Hyundai i40 on the right side of the engine compartment.

Additional block ay40

Here are the elements responsible for the operation of the engine: GLOW – glow plugs, RTS – additional heater / heater.


There is something to supplement the publication – write in the comments.

Comments 4

  • Where would the fuse be for cigarette lighter on hyundai i40 estate be???
    Thanks 👍

  • Hi, I have an Hyundai i40 diesel estate 2013 and the drivers window has stopped working. Is it fused separately and if so, what fuse is it? Brian.

  • Hi should there be 4 relays in the additional box i have TPC1 PTC2 PTC3 But no glow relay as my I 40 is a very bad starter in cold wather

    • Exactly, the glow plug relay on my i40 is also missing! I also have the same bas start in cold weather!
      Did you find an answer?

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