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Inspection [08/2013 - ]

  1. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY 
    1. Measure the resistance according to the value(s) in the table below.
      Fig 1: Inspecting Headlight Dimmer Switch Assembly Connector Terminals
      GTY366161Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      LIGHT CONTROL SWITCH (W/ DRL OFF FUNCTION)

      Tester Connection Switch Condition Specified Condition
      18 (T) - 15 (EL) Light control switch off (DRL OFF position) 10 kΩ or higher
      19 (H) - 15 (EL) 10 kΩ or higher
      20 (A) - 15 (EL) 10 kΩ or higher
      20 (A) - 15 (EL) Light control switch in AUTO position Below 1 Ω
      18 (T) - 15 (EL) Light control switch in tail position Below 1 Ω
      18 (T) - 15 (EL) Light control switch in head position Below 1 Ω
      19 (H) - 15 (EL) Below 1 Ω
      LIGHT CONTROL SWITCH (W/O DRL OFF FUNCTION)

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

      Tester Connection Switch Condition Specified Condition
      14 (HU) - 15 (EL) Dimmer switch in high position Below 1 Ω
      14 (HU) - 15 (EL) Dimmer switch in high flasher position Below 1 Ω
      17 (HF) - 15 (EL) Below 1 Ω
      TURN SIGNAL SWITCH

      Tester Connection Switch Condition Specified Condition
      12 (TR) - 15 (EL) Neutral 10 kΩ or higher
      11 (TL) - 15 (EL) 10 kΩ or higher
      13 (CR) - 15 (EL) 10 kΩ or higher
      12 (TR) - 15 (EL) Right turn Below 1 Ω
      13 (CR) - 15 (EL) Right turn fully Below 1 Ω
      11 (TL) - 15 (EL) Left turn Below 1 Ω
      13 (CR) - 15 (EL) Left turn fully Below 1 Ω
      FRONT FOG LIGHT SWITCH*1

      Tester Connection Switch Condition Specified Condition
      8 (LFG) - 9 (BFG) Front fog light switch off 10 kΩ or higher
      8 (LFG) - 9 (BFG) Front fog light switch on Below 1 Ω
      1. *1: w/ Front Fog Light
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Headlight Dimmer Switch Assembly)

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

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