1996 Lexus SC 400FACTORY OEM SERVICE PROCEDURE

Traction Control System

  1. Ensure master cylinder reservoir is full of brake fluid. Turn ignition off. Bleed TRAC control system by connecting a vinyl tube to accumulator bleeder screw. Loosen bleeder screw. Start engine and allow the TRAC pump motor to operate until all the air has been bled from accumulator side. Tighten bleeder screw to 74 INCH lbs. (8.4 N.m) and turn engine off.
  2. Connect a vinyl tube to bleeder screw of TRAC actuator. Loosen bleeder screw. Start engine and allow the TRAC pump to operate until all the air has been bled from actuator side. Tighten bleeder screw to 74 INCH lbs. (8.4 N.m) and turn engine off.
  3. Ensure there are no Diagnostic Trouble Codes (DTCs) stored. Clear codes if necessary. See TRACTION CONTROL article. Fill brake fluid reservoir with engine at idle.
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.

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