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.
2003 Lexus LS 430FACTORY OEM SERVICE PROCEDURE
Component Locations
WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For power mirror component locations, see illustration. See Fig 1.
COMPONENT LOCATIONS
| Component | Location | ||
|---|---|---|---|
| Body Control Electronic Control Unit | Attached To Driver Side Junction Block | ||
| Driver Side Junction Block | Left Side Of Instrument Panel, Behind Access Panel To Left Of Steering Column | ||
| Driving Position Memory Switch (1) | Front Left Side Of Driver Seat | ||
| Power Mirror Assembly | On Outside Of Each Front Door | ||
| Power Mirror Switch | Incorporated Into Heating & Ventilation Register On Left Side Of Instrument Panel | ||
| Power Seat Electronic Control Unit (1) | Under Center Of Driver Seat | ||
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Factory Service Tools
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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.
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