Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Lexus SC 300FACTORY OEM SERVICE PROCEDURE
Component Locations
COMPONENT LOCATIONS
| Component | Location |
|---|---|
| DOME Fuse (10-Amp) | In Engine Compartment Relay Block No. 2 |
| DOOR Fuse (30-Amp) | In Instrument Panel Junction Block No. 1 |
| Door Lock Buzzer | Behind Driver's Kick Panel |
| Door Open Detection Switch | Integral With Each Door Lock Motor |
| Door Unlock Detection Switch | Integral With Each Door Lock Motor |
| Wireless Door Lock ECU | Behind Right Rear Passenger's Quarter Panel |
| Door Lock Motor | Inside Each Door |
| ECU-IG Fuse (15-Amp) | In Instrument Panel Junction Block No. 1 |
| Engine Compartment Relay Block No. 2 | Left Side Of Engine Compartment |
| GAUGE Fuse (10-Amp) | In Instrument Panel Junction Block No. 1 |
| Instrument Panel Junction Block No. 1 | Behind Driver's Kick Panel |
| Integration Relay | In Instrument Panel Junction Block No. 1 |
| Taillight Control Relay | In Instrument Panel Junction Block No. 1 |
| Theft Deterrent & Door Lock ECU | Behind Left Side Of Instrument Panel |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.