The 1st generation Toyota Harrier right-hand drive crossover was produced in 1997, 1998, 1999, 2000, 2001, 2002 and 2003. During this time, the model has been restyled. In some countries of the world it is known under the name Lexus RX 300. These cars differ in the location of the steering. In the Lexus rx 300, it is on the other side. They have similar electrical circuits. In this article we will show the location of electronic control units, a description of fuses and relays Lexus Rx 300 (Toyota Harrier UA10) with box diagrams and places where they are located. Highlight the cigarette lighter fuse.
Contents
Passenger compartment
General layout of boxes in the cabin
Fuse box
It is located at the bottom of the dashboard behind the protective cover on the driver’s side.
Diagram
Protected components
| 1 | 7,5A IGN – Electronic engine control unit |
| 2 | 7,5A RADIO No. 2 – Audio system |
| 3 | 15A CIG – Cigarette lighter, electric side mirrors |
| 4 | 20A PRR DOOR – Power window regulator, rear left door |
| 5 | 15A PWR OUTLET – Socket for connecting additional equipment |
| 6 | 15A FR FOG – Front fog lights |
| 7 | 15A SRS – Airbag System (SRS) |
| 8 | 15A ECU-IG – ABS, TRC Systems |
| 9 | 25A WIPER – Arm and windshield wiper blade |
| 10 | 20A D RR DOOR – Power window regulator, rear right door |
| 11 | 20A D FR DOOR – Power window regulator, driver’s door, central locking |
| 12 | 20A S / ROOF – Hatch |
| 13 | 15A HEATER – Air conditioning and heater, rear door glass heater |
| 14 | 7,5A GAUGE – Instrument Cluster |
| 15 | 15A RR WIP – Lever and blade for rear door glass wiper |
| 16 | 20A STOP – Stop lights |
| 17 | 7,5A OBD – Electronic engine control unit |
| 18 | 7,5A STARTER – Starter |
| (18)* | 15A SEAT HTR – Heated seats |
| 19 | 10А WASHER – Window washer |
| (19)* | 7,5А STARTER – Starter |
| 20 | 7.5A RR FOG – Rear fog lamps |
| (20)* | 10А WASHER – Window washer |
| 21 | 20A FR DEF – De-icer for windscreen wiper blades |
| (21)* | 7.5A RR FOG – Rear fog lamps |
| 22 | 7.5A SRS-B – Airbag System (SRS) |
| (22)* | 20A FR DEF – De-icer for windscreen wiper blades |
| 23 | 10A TAIL – Front and rear dimensions, license plate light |
| 24 | 7,5А PANEL – Illumination of switches and switches |
* – Models from 11/2000 model year.
For the cigarette lighter, fuses 3 and 5 are responsible for 15A.
Fuses are attached separately at the bottom: 40A AM1 – Ignition, 30A POWER – Seat drive.
On the back side of the block there are relay elements.
Diagram
Assignment
A – Side light relay
B – Fog lamp relay
C – Power supply relay (“ACC”)
D – Brush defroster relay
E – Rear fog lamp relay
Engine compartment
Fuse and relay box
Located on the left side of the engine compartment, next to the battery.
Check the purpose of the elements with your diagrams on the box cover.
Diagram
Designation
| 1 | 60A ABS – ABS |
| 2 | 140A ALT – Charging system |
| 3 | 40A RDI FAN – Cooling fan |
| 4 | 40A CDS FAN – Cooling fan |
| 5 | 30A RR DEF – Heated tailgate glass and outside mirrors |
| 6 | 50A HEATER – Heater fan |
| 7 | 15A H – LP R UPR – Right headlight, high beam |
| 8 | 15A H – LP L UPR – Left headlight, high beam |
| 9 | 25A A / F HTR – Mixture quality sensor |
| 10 11 | – |
| 12 | 15A H – LP R LWR – Right headlight, low beam |
| 13 | 15A H – LP L LWR – Left headlight, low beam |
| 14 | 15A HAZARD – Hazard warning system, direction indicators |
| 15 | 20A AM 2 – Starting system |
| 16 | 20A TEL – Phone |
| 17 | 20A FL DOOR |
| 18 | – |
| 19 | 7,5A ALT – S – Charging system |
| 20 | 10A HORN – Anti-theft system, horn |
| 21 | 20A EFI – Fuel Injection |
| 22 | 10A DOME – Interior lighting, indicators and meters, multifunction display |
| 23 | 7,5A ECU – B – On-board computer |
| 24 | 20A RAD No. 1 – Audio system |
| 25 26 27 | – |
| 28 | 50A MAIN – Starting system |
Relay decoding
- A – None
- B – Relay ABS SOL
- C – Fan relay No. 3
- D – Fan relay No. 1
- E – Relay e / motor ABS
- F – Fan relay No. 2
- G – A / F sensor relay
- H – Absent
- I – Headlight relay
- J – Starter relay
- K – Relay for heating the glass of the tailgate and outside mirrors
- L – Relay of the magnetic clutch К / В
- M – Horn and anti-theft system relay
- N – Fuel injection relay
Relay box 1
Diagram
Appointment
- A – Open circuit relay
- B – Main motor relay
- C – Heated exterior mirrors relay
Relay box 2
Diagram
Assignment
- 1 – 7.5A Daytime running light fuse (DRL)
- A – Relay No. 2 DRL
- B – Relay No. 4 DRL
- C – Relay No. 3 DRL
That’s all. If you have something to add – write in the comments.
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