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.
Removal & Installation
1998 Lexus SC 300SECTION Removal & Installation
Disconnect negative battery cable. Ensure ignition is off. Remove ECM. See ECM LOCATIONΒ table. To install, reverse removal procedure.
ECM LOCATION
| Model | Location |
|---|---|
| ES300, LS400, SC300 & SC400 | Behind Glove Box |
| GS300 & GS400 | In Box, At Left, Front Of Engine Compartment |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.