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.
2010 Lexus SC 430FACTORY OEM SERVICE PROCEDURE
SFI System: Precaution: Precaution
NOTE:
- Perform initialization (throttle position) after replacing the throttle body assembly or cleaning any throttle body components. Refer to INSTALLATION - Step 6 .
- Perform initialization (throttle position) after reconnecting the battery cable or replacing the ECM. Refer to INSTALLATION - Step 6 .
- Initialize the following systems after disconnecting and reconnecting the cable from the negative (-) battery terminal.
System Name See procedure Power Window Control System Refer to INITIALIZATION Front Power Seat Control System Refer to INITIALIZATION - Perform the RESET MEMORY (A/T initialization) operation after replacing the automatic transmission assembly, engine assembly or ECM.
- Perform Registration (VIN registration) when replacing the ECM. Refer to REGISTRATION .
HINT:
RESET MEMORY cannot be completed by only disconnecting the cable from the negative (-) battery terminal.
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.