Lexus LX 450 represents the 1st generation of the LX model range which was produced in 1995 1996 1997. In this article you will find a description of fuses and relays Lexus LX 450 with block diagrams and their locations. Let’s highlight the fuse responsible for the cigarette lighter.
Check the information with your diagrams on the box cover.
Contents
Passenger compartment
Location
Layout
Assignment
- Fuse Box
- ABS ECU
- Circuit Opening Relay
- Relay Box
- Center Differential Lock Control Relay
- Seat Belt Warning Relay
- Light Retainer Relay
- Cruise Control ECU
- A/C System Amplifier
- Engine Coolant Temp. Cut Relay
- Blower Speed Control Relay
- A/C Amplifier
- Engine Control Module
- Stereo Component Amplifier
- Differential Lock ECU
- Ignition Key Cylinder Light Relay
- Airbag Sensor Assembly
Fuse box
It is located at the bottom of the dashboard behind a protective cover.
Diagram
Designation
| 1 | 15A CIG – Cigarette lighter, power mirrors, digital clock display, radio, cassette recorder, power aerial, automatic transmission shift lock system, SRS airbag system |
| 2 | 15A TAIL – Tail lights, license plate lights, side lights and front side marker lights, instrument panel lights, clock, glove box lights |
| 3 | 15A OBD – On-board diagnostic system |
| 4 | 10A STOP – Stop lights, multiport fuel injection system / sequential multiport fuel injection system, cruise control cancel device, automatic transmission shift lock system |
| 5 | 20A DEFOG – Heated rear window |
| 6 | 20A WIPER – Windscreen wipers and washer, rear window wiper and washer |
| 7 | 10A GAUGE – Gauges and Gauges, Service Reminder Indicators and Warning Buzzers (except for Exhaust and Open Door Warning Lights), Reversing Lights |
| 8 | 7,5A TURN – Direction indicators |
| 9 | 15A ECU-IG – Cruise control system |
| 10 | 10A ECU-B – SRS airbag system |
| 11 | 20A REAR-HTR – Air Conditioning |
| 12 | 7,5A IGN – Multiport fuel injection system / sequential multiport fuel injection system, emission control system, SRS airbag system |
| 13 | 10A A.C – Air conditioner |
| 14 | 30A DIFF – Differential lock system |
| 15 | Not used |
| 16 | Not used |
| 17 | Not used |
| 18 | 40A FL HEATER – Air conditioner |
| 19 | 30A FL POWER – Power windows, power door locking system, power sunroof |
Fuse number 1, 15A, is responsible for the cigarette lighter.
Relay box
Diagram
Functions
| R1 | Defogger |
| R2 | Heater |
| R3 | Power Relay |
| R4 | Taillight |
| R5 | Flasher |
| R6 | Not used |
| R7 | Cooling Fan |
| R8 | Blower High |
Additional elements
Diagram
Appointment
- Moon Roof Control Relay
- Rear Heater Relay
- Woofer Amplifier
- Rear Wiper Relay
- Shift Lock ECU
- Door Lock Control Relay
Engine compartment
Location
Layout
Decoding
- junction box
- fuse and relay box
- high power fuse-link
Junction box
Photo scheme
Circuits protected
| A | ACC – terminal ACC of the ignition lock |
| B | IG – IG1 terminal of the ignition switch |
| C | (B +) – fusible link of the electrical circuit |
| D | (E -) – grounding |
Fuse and relay box
Photo example
Example of a diagram from the box cover
Diagram
Assignment
| 1 | Not used |
| 2 | 7,5A CHARGE – Charging system, discharge warning lamp |
| 3 | 15A EFI – Multiport fuel injection system / sequential multiport fuel injection system |
| 4 | 20A CDS-FAN |
| 5 | 15A HEAD (RH) – Right headlights |
| 6 | 15A HEAD (LH) – Left headlight |
| 7 | Not used |
| 8 | Not used |
| 9 | 15A HAZ-HORN – Emergency flashers, beeps |
| 10 | 10A DOME – Interior lighting, personal lighting, luggage compartment lighting, ignition lamp, door warning lamp, clock, radio, cassette recorder, electric antenna, dressing table light |
| 11 | 50A AM 1 – All components in the CIG, WIPER, GAUGE, TURN, ECU-IG, REAR-HTR, IGN, DIFF and FL POWER circuits |
| 12 | 60A ABS – Anti-lock braking system |
| Relay | |
| R1 | Engine control |
| R2 | Horn |
| R3 | Not used |
| R4 | Not used |
| R5 | Headlights |
| R6 | Not used |
There may be an additional ABS unit nearby.