2005 Toyota Avalon XLSFACTORY OEM SERVICE PROCEDURE

Inspection Procedure

  1. CHECK MANUAL UP/DOWN FUNCTION (DRIVER SIDE)Β 
    1. Check that the power window manual UP/DOWN function operates normally.

      OK: Manual UP/DOWN function operates normally.Β 

    1. NG: OTHER PROBLEM (See Β PROBLEM SYMPTOMS TABLEΒ Β  )Β 
    2. OK: Go to next step.Β 
  2. CHECK LAMP OF MULTIPLEX NETWORK MASTER SWITCH ASSYΒ 
    1. Turn the ignition switch on (IG).
    2. Operate the driver side switch of the multiplex network master switch assy.
    3. Check the blinking pattern of the AUTO lamp as shown in the illustration.
      1. If pattern (1) is displayed, proceed to A.
      2. If pattern (2) or (3) is displayed, proceed to B.
      3. If the normal pattern is displayed, proceed to C.
        Fig 1: Identifying AUTO Lamp
        G02975685Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
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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