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.
2002 Lexus GS 300FACTORY OEM SERVICE PROCEDURE
Component Locations
COMPONENT LOCATIONS
| Component | Location |
|---|---|
| Body ECU No. 1 | In Passenger Side J/B, Behind Right Kick Panel |
| Body ECU No. 2 | In Driver Side J/B, Behind Left Kick Panel |
| Driver Side Junction Block (J/B) | Fig 1 |
| Ignition Switch | Fig 1 |
| Passenger Side Junction Block | Fig 1 |
| Power Window Master Switch | Fig 1 & Fig 2 |
| Power Window Motor | Fig 1 |
| Power Window Switch | Fig 1 |
| Window Regulator | Fig 2 & Fig 3 |
Factory Service Tools
Use the Manual With the Right Hardware
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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.