LEXUS ES 250 Windom Toyota Windom 2G Installation Guide

June 13, 2024
LEXUS

LEXUS ES 250 Windom Toyota Windom 2G

LEXUS-ES-250-Windom-Toyota-Windom-2G-PRODUCT

Product Information

The Toyota Windom 2nd generation, also known as the Lexus ES 250/300, was produced between 1996 and 2001. It underwent restyling during this period. The product provides information on the location of electronic control units, description of fuses and relays, and includes box diagrams and photo examples. Please note the importance of the cigarette lighter fuse.

Passenger Compartment Box Layout:

  • Fuse box
  • Integrated relay
  • Turn signal relay
  • Front fog lamp relay
  • Cruise control control unit
  • Adjustable suspension control unit
  • Anti-theft control unit
  • Air conditioner control unit
  • ABS ECU control unit or ABS and traction control control unit
  • Audio amplifier
  • The engine control unit
  • Central locking unit
  • Gear selector lock block
  • Central airbag unit
  • Daytime running light relay

Fuse Box Location:

The fuse box is located at the bottom of the dashboard, behind the glove compartment.

Fuse Legend Example:

The legend on the cover of the fuse box provides information about the protected circuits.

Fuse Number for Cigarette Lighter Operation:

Fuse number 18 with a rating of 15A is responsible for the operation of the cigarette lighter.

Additional Elements Diagram:

  • Relay and sunroof control unit
  • Airbag sensor
  • Antenna control unit
  • Lamp failure control unit

Engine Compartment Box Layout:

  • Fuse and relay box
  • Fuse and relay box 1 (left)
  • Fuse and relay box 2 (right)
  • ABS control unit and actuator

Product Usage Instructions

  1. To locate the fuse box, open the glove compartment and look for it at the bottom of the dashboard.
  2. Refer to the legend on the cover of the fuse box to identify the circuits protected by each fuse.
  3. Fuse number 18, rated at 15A, controls the operation of the cigarette lighter. If the cigarette lighter is not working, check this fuse.
  4. The additional elements diagram provides information on the various control units and sensors located in the vehicle.
  5. In the engine compartment, you will find multiple fuse and relay boxes. Refer to the general box layout to identify the specific box you need.
  6. To ensure accuracy, compare the information provided with your own diagrams and box covers.

Toyota Windom 2G (Lexus ES 250 300 3G) fuse and relay

Toyota Windom 2nd generation was produced in 1996, 1997, 1998, 1999, 2000, 2001. During this time, the model has been restyled. In some countries it is sold under the name Lexus ES 250 / 300. In our material you will find information on the location of electronic control units, description of fuses and relays Toyota Windom (Lexus ES 250 300) with box diagrams and photo examples of their execution. Note the cigarette lighter fuse.

The locations of the boxes and the purpose of the elements in them may differ from the one presented. Check the information with your diagrams on the box cover.

  • Passenger compartment
  • Location
  • General box layout

Wiring Diagrams

LEXUS-ES-250-Windom-Toyota-Windom-2G-FIG-
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Assignment

  1. Fuse box
  2. Integrated relay
  3. Turn signal relay
  4. Front fog lamp relay
  5. Cruise control control unit
  6. Adjustable suspension control unit
  7. Anti-theft control unit
  8. Air conditioner control unit
  9. ABS ECU control unit or ABS and traction control control unit
  10. Audio amplifier
  11. The engine control unit
  12. Central locking unit
  13. Gear selector lock block
  14. Central airbag unit
  15. Daytime running light relay

Fuse box

Located at the bottom of the dashboard, behind the glove compartment.LEXUS-
ES-250-Windom-Toyota-Windom-2G-FIG- \(2\)

Example of legend from the coverLEXUS-ES-250-Windom-Toyota-Windom-2G-FIG-
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Diagram

LEXUS-ES-250-Windom-Toyota-Windom-2G-FIG- \(4\)

Circuits protected

1 20A SEAT − HEATER – Heated seats
2 10A HEATER – Air conditioning, heated rear window, starting system


3

| 10A GAUGE – Instrument Cluster, Reversing Lights, Cruise Control, Charging System, Daytime Running Lights, Traction Control, Power Windows, Warning Buzzer, Service Indicators
---|---



4

| 20A WIPER – 1996-1998: Windscreen wiper and washer
25A WIPER – 1999-2001: Windscreen wiper and washer
5| 10A MIRROR − HEATER – Heated mirrors



6

| 15A ECU-IG – Cruise control, anti-lock braking system, aerial, airbags, seat belt pretensioner, anti-theft system, gear selector lock, traction control, daytime running lights, wireless remote control system, fuel injection system


7

| 5A IGN – Instrument Cluster, Charging System, Airbags, Fuel Injection System, Seat Belt Pretensioner


8

| 15A STOP – Stop lamps, cruise control, auxiliary brake light, anti-lock braking system, fuel injection system, gear selector lock


9

| 10A TAIL – Side light, license plate light, daytime running lights, fuel injection system
10| 15A POWER − OUTLET – Socket
11| 7,5A OBD – Diagnostic connector
12| 15A FOG – Fog light
13| 5A STARTER – Instrument panel, fuel injection system
14| 25A DOOR – Central locking, anti-theft system, fuel filler flap




15

| 7,5A PANEL – Instrument cluster, audio system, cigarette lighter, glove box lighting, instrument panel light, clock, service indicators, air conditioning control unit lighting, ashtray lighting, alarm, daytime running lights, seat heating control unit, heated rear window, unit automatic transmission control
16| 7,5A TURN – Direction indicators
17| 7,5A RAD − NO.2 – Audio system, antenna



18

| 15A CIG – Cigarette lighter , gear selector lock, mirror control unit, anti-theft system, central locking, airbags, seat belt pretensioner, heated mirrors, air conditioning
19| Interference filter
20| Interference filter
---|---
21| 40A DEF – Heated rear window
22| 30A PWR – Power Windows, Power Seats, Sunroof



23

| 40A AM1 – 1996-1999: Headlight washer
40A AM1 – 2000-2001: Power Windows, Power Seats, Sunroof

The fuse number 18 at 15A is responsible for the operation of the cigarette lighter. Some relays are attached to the back of the unit.

SchemeLEXUS-ES-250-Windom-Toyota-Windom-2G-FIG-
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Designation
  • R1 Power relay (power windows, sunroof, power seats)
  • R2 Heated rear window
  • R3 Side light
  • R4 Integrated relay

Additional elements Diagram

LEXUS-ES-250-Windom-Toyota-Windom-2G-FIG-
\(6\)

Appointment

  1. Relay and sunroof control unit
  2. Airbag sensor
  3. Antenna control unit
  4. Airbag sensor
  5. Lamp failure control unit

Engine compartment

  • Location
  • General box layout

LEXUS-ES-250-Windom-Toyota-Windom-2G-FIG- \(7\)

Decoding

  1. Fuse and relay box
  2. Fuse and relay box 1 (left)
  3. Fuse and relay box 2 (right)
  4. ABS control unit and actuator

Fuse and relay box

PhotoLEXUS-ES-250-Windom-Toyota-Windom-2G-FIG-
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AssignmentLEXUS-ES-250-Windom-Toyota-Windom-2G-FIG-
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1 25A A / F HTR – 1999-2001: Air-Fuel Ratio Sensor
2 Not used
3 10A A / C – Air Conditioning
4 10A Spare fuse
5 15A Spare fuse
6 30A Spare fuse
7 30A CDS – Cooling fan
8 30A RDI – Cooling fan
9 5A ALT − S – Battery charging system


10

| 15A HEAD (RH) – 1996-1999: Right Headlight (High Beam)
20A HEAD (RH) – 2000-2001: Right headlight (high beam)
11| 15A EFI – Fuel injection system
12| 10A HORN – Horn, anti-theft system



13

| 10A HAZ – 1996-1999: Alarm
15A HAZARD – 2000-2001: Emergency signaling


14

| 30A AM2 – Instrument panel, airbags, seat belt pretensioner, fuel injection system, fuses: IGN “and STARTER”
15| 5A TEL – Phone



16

| 15A HEAD (LH) – 1996-1999: Left headlight
20A HEAD (LH) – 2000-2001: Left headlight
17| 20A RADIO NO.1 – Audio system
18| Not used
19| 40A MAIN – 1996-1998: Fuses: HEAD (RH-HI), HEAD (RH-LO)




20

| 7,5A DOME – Anti-theft system, daytime running lights, clock, ignition switch lighting, wireless remote control system, interior lighting, luggage compartment lighting, sunroof, personal lighting, central locking, vanity mirror lighting, door lighting
---|---




21

| 7.5A ECU − B – 1996-1997: Cruise Control, Antilock Braking System, Airbags
10A ECU − B – 1998-2001: Cruise Control, Antilock Braking System, Airbags, Seat Belt Pretensioner
22| 100A ALT – Fuses: RDI and CDS
23| Not used
24| 50A HTR – Fuses: AM1 and A / C
25| 30A T − STK / CDS 2
Relay
R1| A / C Compressor Clutch
R2| (Circuit Opening)
R3| Cooling fan (no. 2)
R4| Cooling fan (no. 3)
R5| Air conditioning
R6| Main relay
R7| Engine control unit (EFI)
R8| Headlights
R9| Starter
R10| Sound signal
R11| Cooling fan (No.1)

Fuse and relay box 1 DiagramLEXUS-ES-250-Windom-Toyota-Windom-2G-FIG-
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Designation

1 Not used
2 5A DRL NO.2 – Daytime running lights
3 10A HEAD (LH-LO) – Left headlight (low beam)
4 10A HEAD (RH-LO) – Right headlight (low beam)

Relay
R1| Headlights (DIM)
R2| Daytime Running Lights
R3| Fuel-air mixture sensor

Fuse and relay box 2 Diagram

Decoding

  • 1 – 60A ABS
  • R1 – ABS motor relay
  • R2 – Relay ABS

References

Read User Manual Online (PDF format)

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