2008 Lexus SC 430FACTORY OEM SERVICE PROCEDURE

Automatic Transmission System: Precaution

NOTE:
  • When disconnecting the cable from the negative (-) battery terminal, initialize the following system(s) after the cable is reconnected.
    SYSTEM REFERENCE CHART

    System Name See procedure
    Front Power Seat Control System INITIALIZATION
  • Perform the Reset Memory procedures (A/T initialization) when replacing the automatic transmission assembly, engine assembly or ECM (see INITIALIZATIONΒ  ).

HINT:

Reset Memory cannot be completed by only reconnecting the cable to the negative (-) battery terminal.

CAUTION: When using compressed air, always aim away from yourself to prevent Automatic Transmission Fluid (ATF) or kerosene from spraying on your face.
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:

  • 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.

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