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Home >> Lexus >> 2009 >> SC 430 >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio / Visual (Diagnostics) >> Audio And Visual System >> Headlight Dimmer Switch Circuit >> Procedure

Headlight Dimmer Switch Circuit: Procedure

  1. CHECK ILLUMINATION 
    1. Turn on and off the following: headlight switch, light control rheostat switch and automatic light control system.
    2. Check that the combination meter, radio receiver and other related parts illuminate properly.

      OK

      Combination meter, radio receiver and other related parts illuminate properly.

    NG → GO TO COMBINATION METER SYSTEM 

    OK → REPLACE STEERING PAD SWITCH MODULATOR