System Operation Check

1993 Lexus LS 400SECTION System Operation Check

Turn ignition switch to ON position. AIR BAG light on instrument panel should come on for about 2-5 seconds and then go off. If AIR BAG light fails to come on, remains on after 2-5 seconds or comes on while driving, air bag system requires servicing. Diagnose and repair as necessary.

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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.