2005 Lexus LS 430FACTORY OEM SERVICE PROCEDURE

Repair Instruction: Initialization

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

System Name See Step No.
Front Power Seat Control System 1
  1. INITIALIZE FRONT POWER SEAT CONTROL SYSTEM 
    1. The power seat ECU must be initialized under any of the following conditions.
      • The battery is disconnected.
      • The D/C CUT fuse is replaced.
      • The power seat switch (power seat ECU) is replaced.
      • The power seat assy is removed from the vehicle.
    2. Initialize the power seat ECU as follows.
    1. Using the seat switches, fully slide the seat forward, fully recline the seatback forward, and fully raise the seat cushion and headrest.
    2. Using the seat switches, fully slide the seat rearward, fully recline the seatback rearward, and fully lower the seat cushion and headrest.
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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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