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In this article, you will find information about the fuses of the Toyota Highlander (XU20) (models 2001, 2002, and 2003), including diagrams of the fuse boxes, a list of fuses, their designation, and the location of the fuse blocks within the vehicle.
Checking and Replacing Fuses in Toyota Highlander
If the headlights or other electrical components do not work, check the fuses. If any of the fuses are blown, they must be replaced.
Determine which fuse may be causing the problem. The lid of the fuse box shows the name of the circuit for each fuse. Turn the ignition switch and inoperative component off. Pull a suspected fuse straight out and check it. If the fuse has blown, push a new fuse into the clip. Only install a fuse with the amperage rating designated on the fuse box lid.
Caution!
Never use a fuse with a higher amperage rating, or any other object, in place of a fuse. This may cause extensive damage and possibly a fire.
Location of Fuse Boxes
Engine Compartment:
Passenger Compartment:
Fuse Box Diagrams
Engine Compartment Fuse Box
| № | Fuse | A | Function |
|---|---|---|---|
| 1 | STARTER | 7.5A | Multiport fuel injection system / sequential multiport fuel injection system |
| 2 | ABS3 | 7.5A | Vehicle skid control system |
| 3 | HEAD LP RH LWR | 15A | Right-hand headlight (low beam) |
| 4 | HEAD LP LH LWR | 15A | Left-hand headlight (low beam) |
| 5 | A/F | 25A | Air fuel ratio sensor |
| 6 | ALT-S | 7.5A | Charging system |
| 7 | TOWING | 20A | Trailer lights |
| 8 | HORN | 10A | Horns |
| 9 | SECURITY | 15A | Theft deterrent system |
| 10 | HEAD LP RH UPR | 10A | Right-hand headlight (high beam) |
| 11 | ECU-B | 7.5A | Theft deterrent system, air conditioning system, vehicle skid control system, gauges and meters, wireless remote control system, power door lock |
| 12 | EFI | 20A | Multiport fuel injection system / sequential multiport fuel injection system, fuel pump, engine immobiliser system |
| 13 | DOOR LOCK | 25A | Power door lock system, theft deterrent system |
| 14 | HEAD LP LH UPR | 10A | Left-hand headlight (high beam) |
| 15 | RADIO NO.1 | 25A | Car audio system |
| 16 | DOME | 10A | Personal light, interior lights, vanity mirror lights, ignition switch light, wireless remote control system, gauges and meters |
| 17 | HAZARD | 15A | Emergency flashers, instrument panel light |
| 18 | SPARE | 7.5A | Spare fuse |
| 19 | SPARE | 15A | Spare fuse |
| 20 | SPARE | 15A | Spare fuse |
| 47 | AM2 | 30A | Multiport fuel injection system / sequential multiport fuel injection system, starting system |
| 48 | ABS2 | 40A | Anti-lock brake system, vehicle skid control system |
| 49 | ABS1 | 40A | Anti-lock brake system, vehicle skid control system |
| 50 | HEATER | 50A | Air conditioning system |
| 51 | RDI | 30A | Electric cooling fans |
| 52 | RR DEF | 30A | Rear window defoggers |
| 53 | CDS | 30A | Electric cooling fans |
| 54 | RDI | 50A | No circuit |
| 55 | MAIN | 40A | "HEAD LP RH LWR", "HEAD LP LH LWR", "HEAD LP RH UPR" and "HEAD LP LH UPR" fuses |
| 58 | ALT | 140A | "ABS1", "ABS2", "RDI", "CDS", "RR DEF", "HEATER", "AM1", "AM2", "TAIL", "PANEL", "STOP", "S/ROOF" and "SEAT HTR" fuses |
Auxiliary Box
With daytime running light system.
| № | Fuse | A | Function |
|---|---|---|---|
| 46 | DRL | 7.5A | Daytime running light system |
Instrument Panel Fuse Box
| № | Fuse | A | Function |
|---|---|---|---|
| 21 | IGN | 7.5A | Gauges and meters, SRS airbag system |
| 22 | RADIO NO.2 | 7.5A | Car audio system |
| 23 | CIG | 15A | Cigarette lighter |
| 24 | D RR DOOR | 20A | Power windows |
| 25 | PWR OUTLET | 15A | Power outlets |
| 26 | FR FOG | 10A | Front fog lights |
| 27 | SRS-IG | 15A | SRS airbag system |
| 28 | ECU-IG | 15A | Electric moon roof, anti-lock brake system, vehicle skid control system, shift lock system, charging system, cruise control system, emergency flashers, starting system |
| 29 | WIPER | 25A | Windshield wipers and washer |
| 30 | P RR DOOR | 20A | Power windows |
| 31 | P FR DOOR | 25A | Power windows, door courtesy lights, power door lock system |
| 32 | S/ROOF | 20A | Electric moon roof |
| 33 | HEATER | 15A | Air conditioning system, electric cooling fan, rear defogger, outside rear view mirror defogger, gauges and meters |
| 34 | IG1 | 7.5A | Back up lights, vehicle skid control system, multiport fuel injection system/sequential multiport fuel injection system, outside rear view mirror heaters, power door lock system, wireless remote control system |
| 35 | RR WIP | 15A | Rear window wiper |
| 36 | STOP | 20A | Stop lights, high mounted stoplight, anti-lock brake system, vehicle skid control system, shift lock system, cruise control system, multiport fuel injection system/sequential multiport fuel injection system |
| 37 | OBD | 7.5A | On-board diagnosis system |
| 38 | SEAT HTR | 15A | Seat heaters |
| 39 | IG2 | 15A | Multiport fuel injection system / sequential multiport fuel injection system, charging system, starter system |
| 40 | WASHER | 20A | Washer fluid level warning light |
| 41 | RR FOG | 7.5A | No circuit |
| 42 | FR DEF | 20A | Air conditioning system, outside rear view mirror defoggers |
| 43 | D FR DOOR | 20A | Power windows, door courtesy lights |
| 44 | TAIL | 10A | Tail lights, license plate lights, instrument panel lights, front fog lights, front side marker lights, rear side marker lights, parking lights |
| 45 | PANEL | 7.5A | Instrument panel lights |
| 56 | AM1 | 40A | Multiport fuel injection system / sequential multiport fuel injection system, starting system |
| 57 | POWER | 30A | Power seat |