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Home >> Toyota >> 2016 >> RAV4 XLE, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Lighting System (Exterior) - Service Information - (Except Hybrid) >> Headlight Dimmer Switch >> Inspection [12/2012 - 10/2015] >> Procedure

Inspection [12/2012 - 10/2015]: Procedure

  1. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY 
    1. Inspect the light control switch.
      GTY370624Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Headlight Dimmer Switch Assembly)
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        20 (A) - 15 (EL) Light control switch off 10 kΩ or higher
        19 (H) - 15 (EL)
        18 (T) - 15 (EL)
        20 (A) - 15 (EL) Light control switch AUTO position Below 1 Ω
        18 (T) - 15 (EL) Light control switch tail position Below 1 Ω
        18 (T) - 15 (EL) Light control switch head position Below 1 Ω
        19 (H) - 15 (EL)

        If the result is not as specified, replace the headlight dimmer switch assembly.

    2. Inspect the headlight dimmer switch.
      GTY370627Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Headlight Dimmer Switch Assembly)
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        17 (HF) - 15 (EL) Headlight dimmer switch flash position Below 1 Ω
        14 (HU) - 15 (EL)
        14 (HU) - 15 (EL) Headlight dimmer switch high position Below 1 Ω

        If the result is not as specified, replace the headlight dimmer switch assembly.

    3. GTY370625Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Headlight Dimmer Switch Assembly)

      Inspect the turn signal switch.

      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        12 (TR) - 15 (EL) Turn signal switch right turn position Below 1 Ω
        12 (TR) - 15 (EL) Turn signal switch neutral position 10 kΩ or higher
        11 (TL) - 15 (EL)
        11 (TL) - 15 (EL) Turn signal switch left turn position Below 1 Ω

        If the result is not as specified, replace the headlight dimmer switch assembly.

    4. GTY370611Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Headlight Dimmer Switch Assembly)

      Inspect the fog light switch (w/ Fog Light).

      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        9 (BFG) - 8 (LFG) Front fog light switch off 10 kΩ or higher
        9 (BFG) - 8 (LFG) Front fog light switch on Below 1 Ω

        If the result is not as specified, replace the headlight dimmer switch assembly.

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