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Light Control Rheostat: Inspection

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT LIGHT CONTROL RHEOSTAT 
    1. Measure the resistance according to the value(s) in the table below

      Standard Resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      1 (E) - 4 (RV) Turn the light control rheostat knob fully counterclockwise (MIN.) Approximately 0 Ω
      1 (E) - 4 (RV) Light control rheostat position is between MIN and MAX. The value changes gradually (Between below 0 Ω to 8 kΩ)
      1 (E) - 4 (RV) Turn the light control rheostat knob fully clockwise (MAX.) 8 kΩ or higher
      2 (TC) - 3 (T) Light control rheostat knob position is except below Below 1 Ω
      2 (TC) - 3 (T) Turn the light control rheostat knob fully clockwise (Tail cancel switch is ON) 10 kΩ or higher
      Fig 1: Identifying Light Control Rheostat
      G05754783Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      If the value is not as specified, replace the light control rheostat (See REMOVAL  ).

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