Toyota Highlander 3G Fuse and Relay

Toyota Highlander 3rd generation was produced in 2014, 2015, 2016, 2017, 2018, 2019 with the designation XU50. In some countries it is sold under the name Toyota Kluger 3. During this time, the model received a facelift. In this article we will present a description of fuses and relays Toyota Highlander Kluger 3 with fuse box diagrams, their locations and photo examples of performance. Let’s highlight the cigarette lighter fuse.

Toyota Highlander 3

Fuse and relay assignments may differ from those shown and depend on the year of manufacture and the level of electrical equipment in your vehicle.

Passenger compartment

In the passenger compartment, the fuse and relay box is located under the dashboard on the driver’s side. The protective cover must be removed for access.

Location fuse box in salon

Check the element assignments against your schematics on the cover of the units.

Diagram

Diagram

Assignment

TAILTail lights
ECU-ACCEngine control unit
SFT LOCK-ACCAT Shift lock control system
P/OUTLET NO. 1Cigar lighter / power outlet
A/BAG-IGAirbag
IG2Protects several circuits
METERInstrument cluster
P/W R/LPower windows rear left
P/W F/LPower windows front left
P/W F/RPower windows front right
P/W R/RPower windows rear right
AM1Starter system
S/ROOFSunroof
OBDOn-board diagnostics
DOOR BACKDOOR BACK
A/CAir conditioning
DSS-IGDSS-IG
IG1 NO. 3Protects several circuits
IG1 NO. 2Protects several circuits
IG1 NO. 1Protects several circuits
BKUP LPBackup lights
EPS-IGElectric power steering
ECU-IGEngine control unit
P/OUTLET NO.2Cigar lighter / power outlet
WASHERWindshield washer
WIPER RRRear wiper
WIPER FRFront wiper
AM2Starter system
STRG LOCKSteering lock
HAZHazard light
DOMEDome light and interior light
MPX-B NO. 3MPX-B NO. 3
D/LPower door lock system

The fuses labelled P/OUTLET are responsible for the operation of the cigarette lighters.

Engine compartment

The main fuse box is located in the engine compartment, under the bonnet, next to the battery, on the left-hand side.

Location fuse box under the hood

Photo and diagram

Location 2

Designation

P/OUTLET NO.4Cigar lighter / power outlet
MIR HTRMirror heater
STOPStop lights
FOG RRRear fog lights
INVDC/AC inverter
FAN NO.1 [2GR-FE, 1AR-FE]Electric cooling fan
PBDPower back door
A/C RR Rear air conditioning system
PTC HTR NO.3Additional heater
IG1 NO.4Protects several circuits
FANElectric cooling fan
HTRAir conditioning system
ALTBattery and charging system
ABS NO.2Anti-lock braking system
STStarter system
ST NO.2Stop & Start System
BBCStop & Start system
J/B-BJunction box bus
EPS Electric power steering
RADIORadio and audio system
FUEL PMPFuel pump
A/F HTR NO.2Air fuel ratio sensor
EFI NO.4Multiport fuel injection system
WIPER-SWipers
A/C W/PMPAir conditioning
AMPAudio system
MAYDAYData communication module (telematics system)
ODSOccupant detection system (airbag)
EDUEmissions control system
ETCSElectronic throttle control system
ALT-SBattery and charging system
TOWINGTrailer lights
S-HORNHorn / anti-theft deterrent
HORNHorn
H-LP LO LHLeft-hand headlight low beam
H-LP LO RHRight-hand headlight low beam
IG2-MAINProtects several circuits
IG2-EFIMultiport fuel injection system
A/F HTRAir fuel ratio sensor
EFI-MAINMultiport fuel injection system

The optional relay unit can be installed separately.

Relay

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