Hyundai Tucson (TL) 3rd generation (Hyundai Tucson 3) was produced in 2015, 2016, 2017, 2018, 2019, 2020, 2021. During this time, the model has been updated. In this article you will find a description of the fuses and relays of the Hyundai Tucson 3rd generation with block diagrams and their locations. We note the cigarette lighter fuse.

Check the assignment of fuses and relays with your diagrams on the back of the protective cover.
Cabin block
It is located under the driver’s panel. To access it, you must remove the protective cover.


Description
| A/CON1 | 7.5A Air conditioning control module, cluster ionizer (automatic air conditioning), E/R junction block (fan relay) |
| WIPER RR | 15A ICM relay block (rear wiper relay), rear wiper motor |
| MODULE 6 | 10A BCM, smart key control module |
| WASHER | 15A Multifunction switch (washer switch) |
| MODULE 5 | 7.5A Emergency stop switch, parking assist buzzer, BCM, ATM gear lever, 4WD ECM, AEB sensor, console switch, left/right blind spot detection radar, lane departure warning module, lane keeping control module |
| AIR BAG | 15A SRS control module, occupant detection sensor |
| MODULE 1 | 10A BCM, Smart Key Control Module, AUDIO, A/V & Navigation Head Unit, TMU Module, AMP, Power Mirror Switch, PCB Assembly (Relay Socket) |
| START | 10A ICM relay block (security alarm relay), transmission range switch |
| MODULE 7 | 7.5A Front seat ventilation control module, front seat heater control module, rear seat heater |
| HEATED STEERING | 15A BCM, heated steering wheel |
| MODULE 8 | 7.5A Driver/passenger power exterior mirror, central front panel switch, key solenoid, AEB sensor |
| MODULE 4 | 7.5A Data connector, air conditioning control module, left/right headlight, audio/video and navigation system head unit, electro chrome mirror, TMU module, front seat ventilation control module, front seat heater control module, rear seat heater |
| A/BAG IND | 7.5A Instrument cluster, central front panel switch |
| MODULE3 | 10A BCM, ATM shift lever, IPS control module (ON/START input) |
| SMART KEY1 | 15A Smart Key Control Module |
| 4WD | 20A 4WD ECU |
| TAILGATE OPEN | 10A Tailgate opening relay |
| S/HEATER RR | 15A Rear seat heater |
| MDPS | 7.5A MDPS Unit |
| SMART KEY3 | 7.5A Smart key control module, immobilizer module |
| CLUSTER | 7.5A Instrument cluster (IG1 Power), ATM ILL shift lever. |
| SMART KEY2 | 10A Smart Key Control Module, Power On/Off Button, Immobilizer Module |
| MULTIMEDIA | 15A Head unit audio, audio/video and navigation, TMU module |
| INTERIOR LAMP | 10A Ignition key III. & Door signal switch, Luggage compartment lamp, Glove box lamp, Overhead console lamp, Front vanity mirror lamp, left/right, Interior light lamp, Rear personal lamp, left/right |
| DOOR LOCK | 20A Door lock relay, door unlock relay, ICM relay block (two-way unlock relay) |
| SUNROOF2 | 20A Panorama Roof hatch |
| POWER OUTLET | 20A Front socket and cigarette lighter |
| BRAKE SWITCH | 7.5A Smart key control module, brake light switch |
| MEMORY 2 | 10A Data link connector, BCM, instrument cluster, air conditioning control module, automatic light and photo sensor, electrochromic mirror, ICM relay block (outside mirror folding/unfolding relay) |
| P/SEAT (PASS) | 30A Manual switch on passenger seat |
| S/HEATER FRT | 20A Front seat ventilation control module, front seat heater control module |
| SUNROOF 1 | 20A Panorama Roof hatch |
| MODULE 2 | 20A PCB unit (fuse – ABS3, ECU6, TCU2, MODULE1, MODULE2) |
| A/CON2 | 7.5A Air conditioning control module |
| HEATED MIRROR | 10A Driver/Passenger Outside Rearview Mirror Power Actuator, Air Conditioning Control Module, ECM (G4FJ) |
| P/SEAT (DRV) | 30A Driver’s seat manual switch |
| SAFETY P/WINDOW | 25A Driver Safety Power Window Module |
| P/WINDOW RH | 25A Main power window switch, passenger power window switch |
| P/WINDOW LH | 25A Main switch for the window lifter |
| AMP | 25A Amplifier |
The fuses for the cigarette lighter and additional front sockets are marked POWER OUTLET. The others are located in the block under the hood.
Block under the hood
Located next to the battery.


Marking
| MDPS | 80A MDPS Block |
| B+1 | 60A Intelligent Connection Unit (ARISU-LT IPS 1, IPS 2, IPS 3, IPS 4, Fuse – AMP) |
| B+2 | 60A Intelligent Terminal Block (ARISU-LT IPS 5, IPS 6, IPS 7, IPS 8, Fuse – SMART KEY1, SMART KEY2, BRAKE SWITCH) |
| B+3 | 50A Intelligent Junction Box (fuse – SUNROOF1, SUNROOF2, S/HEATER FRT, S/HEATER RR, SAFETY P/WINDOW, power window relay (fuse – P/WINDOW LH, P/WINDOW RH) |
| ABS1 | 40A ESC module, multi-purpose control connector |
| ABS2 | 40A ESC module, multi-purpose control connector |
| IG1 | 40A Ignition switch (without smart key), PCB unit (PDM (IG1) / PDM (ACC) relay – with smart key) |
| IG2 | 30A Starter relay, ignition switch (without smart key), PCB unit (PDM relay (IG2) – with smart key) |
| B+4 | 50A Intelligent Junction Box (Fuse – MODULE8, 4WD, P/SEAT (DRV), P/SEAT (PASS), REAR TAILGATE OPEN, DOOR LOCK, RCD – Fuse Switch, INTERIOR LAMP |
| COOLING FAN1 | 40A [G4NC] Cooling fan high level relay |
| COOLING FAN1 | 50A [G4FJ] Cooling fan high level relay |
| TCU3 | 40А [G4FJ – 7DCT] TCM |
| TCU4 | 40А [G4FJ – 7DCT] TCM |
| BLOWER | 40A Supercharger relay |
| POWER TAILGATE | 40A Power Tailgate Module |
| REAR HEATED | 40A Rear window heating relay |
| WIPER FRT1 | 25A Ignition switch (without smart key), PDM relay (IG2) (with smart key) |
| TCU1 | 15А [G4FJ] TCM (7DCT) |
| WIPER FRT2 | 10А BCM |
| ECU3 | PCM (G4NC) / ECM (G4FJ) |
| HORN | 15A Horn Relay |
| BATTERY MANG | 10A Battery Sensor |
| SENSOR2 | 10A [G4NC] Oil control valve #1/#2, camshaft position sensor #1/#2, purge control solenoid valve, controlled intake solenoid valve, canister shut-off valve, fuel pump relay |
| SENSOR1 | 15A [G4NC] PCM, oxygen sensor (up) / (down) |
| ECU2 | 20A IGNITION COIL #1 / #2 / #3 / #4, capacitor (G4NC) |
| ECU5 | 15А PCM (G4NC) / ECM (G4FJ) |
| ECU4 | 15А PCM (G4NC) / ECM (G4FJ) |
| SENSOR3 | 10A [G4NC] E/R Junction Box (Cooling Fan High Level Relay) |
| GOD | 15A Windshield Defroster, E/R Junction Block (Front Deicer Relay) |
| FUEL PUMP1 | 20A Fuel pump relay |
| MODULE1 | 7.5A Adaptive lighting |
| B/ALARM HORN | 10A Alarm relay |
| ABS3 | 10А ESC Module |
| MODULE2 | 10A Pump |
| POWER OUTLER FRT | 20A Front power socket and cigarette lighter |
| ECU6 | 10А PCM (G4NC) / ECM (G4FJ) |
| TCU2 | 15A [Automatic transmission] Automatic transmission range switch, BUT, automatic transmission selector lever [Manual transmission] Reverse light switch |
| B/UP LAMP | 10A Transmission range switch, electrochromic mirror, rear combination lamp (input) left/right, BUT, reversing lamp switch, MTS E-Call module, intelligent junction box (IPS control unit) |
| POWER OUTLER REAR | 20A Rear power socket |
The other power outlets and USB connectors are protected by fuses marked POWER OUTLER.
Also, on the positive terminal of the battery is the main power fuse, made in the form of a 200A fuse link.