1992 Lexus ES 300 AutomaticFACTORY OEM SERVICE PROCEDURE

Power Window Master Switch: Continuity

Remove power window master switch. Check continuity between appropriate terminals of power window master switch with switch in specified position. See Fig 1. If continuity is not as specified, replace the power window master switch.

Fig 1: Testing Continuity Of Power Window Master Switch
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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.