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.
2004 Lexus LS 430FACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Switches
SWITCHES LOCATION
| Component | Location |
|---|---|
| Brake Fluid Level Warning Switch | On brake master cylinder reservoir. See Figure. |
| Brake Pedal Load Sensing Switch | On brake pedal bracket, above brake pedal. See Figure. |
| Buckle SW Front RH | Inside of right front seat belt buckle. See Figure. |
| Buckle SW Front LH | Inside of left front seat belt buckle. See Figure. |
| Buckle SW Rear LH | In left side of rear seat. See Figure. |
| Buckle SW Rear RH | In right side of rear seat. See Figure. |
| Climate Control Seat SW (Rear) | In rear seat assembly. See Figure. |
| Door Courtesy SW Front LH | At left "B" pillar. See Figure. |
| Door Courtesy SW Front RH | At right "B" pillar. See Figure. |
| Door Courtesy SW Rear LH | At left "C" pillar. See Figure. |
| Door Courtesy SW Rear RH | At right "C" pillar. See Figure. |
| Door Key Lock Motor & Door Unlock Detection SW Front RH | In right front door. See Figure. |
| Door Key Lock & Unlock SW & Door Lock Motor & Door Unlock Detection SW Front LH | In driver's door. See Figure. |
| Door Lock Motor & Door Unlock Detection SW Rear LH | In left rear door. See Figure. |
| Door Lock Motor & Door Unlock Detection SW Rear RH | In right rear door. See Figure. |
| Engine Hood Courtesy SW | Near hood latch, on front center of engine compartment. See Figure. |
| Head Rest Limit SW Rear LH | In rear seat assembly. See Figure. |
| Head Rest Limit SW Rear RH | In rear seat assembly. See Figure. |
| Luggage Compartment Door Key Unlock SW | In luggage compartment. See Figure. |
| Luggage Electrical Key SW | In luggage compartment decklid. See Figure. |
| Oil Pressure Switch | On lower left front of engine. See Figure. |
| Parking Brake Switch | Behind left end of dash, on parking brake mechanism. See Figure. |
| Park/Neutral Position Switch | On right side of transmission. See Figure. |
| Power Seat Control SW (Rear Seat) | Left side of rear seat. See Figure. |
| Pressure Switch | Lower left side of dash. See Figure. |
| Rear Armrest Courtesy SW | In rear seat. See Figure. |
| Rear Sunshade SW (Rear) | In center of rear seat. See Figure. |
| Stoplight Switch | Above brake pedal, on bracket. See Figure. |
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.