Headlight Dimmer Switch Inspection

Vehicle Exterior. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Lighting (Ext). Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

  1. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY (w/ Automatic Light Control System)

  2. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY

Headlight Dimmer Switch -- Inspection



1. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY (w/ Automatic Light Control System)


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Lighting (Ext).Lighting System.Headlight Dimmer Switch  Inspection
  1. Inspect the light control switch.

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

      Standard Resistance:
      Tester Connection
      Switch Condition
      Specified Condition
      11 (HU) - 12 (EL)
      OFF
      10 kΩ or higher
      18 (T) - 12 (EL)
      TAIL
      Below 1 Ω
      18 (T) - 12 (EL)
      HEAD
      Below 1 Ω
      20 (H) - 12 (EL)
      HEAD
      Below 1 Ω
      19 (A) - 12 (EL)
      AUTO
      Below 1 Ω
      If the result is not as specified, replace the headlight dimmer switch assembly.
  1. Inspect the headlight dimmer switch.

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

      Standard Resistance:
      Tester Connection
      Switch Condition
      Specified Condition
      17 (HF) -12 (EL)
      FLASH
      Below 1 Ω
      11 (HU) - 12 (EL)
      FLASH
      Below 1 Ω
      16 (HL) - 12 (EL)
      LO BEAM
      Below 1 Ω
      11 (HU) - 12 (EL)
      HI BEAM
      Below 1 Ω
      If the result is not as specified, replace the headlight dimmer switch assembly.
  1. 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
      13 (TR) - 12 (EL)
      Right turn
      Below 1 Ω
      13 (TR) - 12 (EL)
      Neutral
      10 kΩ or higher
      15 (TL) - 12 (EL)
      Neutral
      10 kΩ or higher
      15 (TL) - 12 (EL)
      Left turn
      Below 1 Ω
      If the result is not as specified, replace the headlight dimmer switch assembly.
  1. Inspect the fog light switch.

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

      Standard Resistance:
      Tester Connection
      Switch Condition
      Specified Condition
      3 (LFG) - 4 (BFG)
      OFF
      10 kΩ or higher
      3 (LFG) - 4 (BFG)
      ON
      Below 1 Ω
      If the result is not as specified, replace the headlight dimmer switch assembly.
      Text in Illustration
      *a
      Component without harness connected
      (Headlight Dimmer Switch Assembly)


2. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Lighting (Ext).Lighting System.Headlight Dimmer Switch  Inspection
  1. Inspect the light control switch.

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

      Standard Resistance:
      Tester Connection
      Switch Condition
      Specified Condition
      9 (HU) - 11 (ED)
      Light control switch off
      10 kΩ or higher
      8 (HL) - 11 (ED)
      13 (B1) - 10 (T1)
      Light control switch tail
      Below 1 Ω
      9 (HU) - 11 (ED)
      Light control switch head
      Below 1 Ω
      8 (HL) - 11 (ED)
      If the result is not as specified, replace the headlight dimmer switch assembly.
  1. Inspect the headlight dimmer switch.

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

      Standard Resistance:
      Tester Connection
      Switch Condition
      Specified Condition
      9 (HU) - 11 (ED)
      Headlight dimmer switch hi beam
      Below 1 Ω
      HINT:
      Perform the flash and high beam inspection with the light control switch on head.
      If the result is not as specified, replace the headlight dimmer switch assembly.
  1. 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
      6 (TR) - 7 (E)
      Turn signal switch right turn
      Below 1 Ω
      6 (TR) - 7 (E)
      Turn signal switch right lane change
      Below 1 Ω
      6 (TR) - 7 (E)
      Turn signal switch neutral
      10 kΩ or higher
      5 (TL) - 7 (E)
      5 (TL) - 7 (E)
      Turn signal switch left lane change
      Below 1 Ω
      5 (TL) - 7 (E)
      Turn signal switch left turn
      Below 1 Ω
      If the result is not as specified, replace the headlight dimmer switch assembly.
  1. Inspect the fog light switch.

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

      Standard Resistance:
      Tester Connection
      Switch Condition
      Specified Condition
      3 (BFG) - 4 (LFG)
      Fog light switch off
      10 kΩ or higher
      3 (BFG) - 4 (LFG)
      Front fog light switch on
      Below 1 Ω
      If the result is not as specified, replace the headlight dimmer switch assembly.
      Text in Illustration
      *a
      Component without harness connected
      (Headlight Dimmer Switch Assembly)