Headlight Dimmer Switch Inspection


  1. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY (for LHD)

  2. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY (for RHD)

Headlight Dimmer Switch -- Inspection



1. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY (for LHD)


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Lighting.Headlight Dimmer Switch.Headlight Dimmer Switch  Inspection
  1. Measure the resistance of the switch.

    Standard resistance:
    Light control switch
    Tester Connection
    Switch Condition
    Specified Condition
    13 (B1) - 10 (T1)
    OFF
    10 kΩ or higher
    12 (RF) - 11 (ED)
    OFF
    10 kΩ or higher
    13 (B1) - 10 (T1)
    TAIL
    Below 1 Ω
    13 (B1) - 10 (T1)
    HEAD
    Below 1 Ω
    12 (RF) - 11 (ED)
    HEAD
    Below 1 Ω
    Headlight dimmer switch:
    Tester Connection
    Switch Condition
    Specified Condition
    11 (ED) - 9 (HU)
    FLASH
    Below 1 Ω
    11 (ED) - 8 (HL)
    FLASH
    Below 1 Ω
    11 (ED) - 8 (HL)
    LO BEAM
    Below 1 Ω
    11 (ED) - 9 (HU)
    HI BEAM
    Below 1 Ω
    11 (ED) - 8 (HL)
    HI BEAM
    Below 1 Ω
    Turn signal switch:
    Tester Connection
    Switch Condition
    Specified Condition
    7 (E) - 6 (TR)
    Right turn
    Below 1 Ω
    7 (E) - 5 (TL)
    Neutral
    10 kΩ or higher
    7 (E) - 6 (TR)
    Neutral
    10 kΩ or higher
    7 (E) - 5 (TL)
    Left turn
    Below 1 Ω
    Fog light switch:
    Tester Connection
    Switch Condition
    Specified Condition
    4 (LFG) - 3 (BFG)
    OFF
    10 kΩ or higher
    4 (LFG) - 3 (BFG)
    ON
    Below 1 Ω
    If the result is not as specified, replace the dimmer switch assembly.


2. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY (for RHD)


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Lighting.Headlight Dimmer Switch.Headlight Dimmer Switch  Inspection
  1. Measure the resistance of the switch.

    Standard resistance:
    Light control switch
    Tester Connection
    Switch Condition
    Specified Condition
    5 (B1) - 8 (T1)
    OFF
    10 kΩ or higher
    6 (RF) - 7 (ED)
    OFF
    10 kΩ or higher
    5 (B1) - 8 (T1)
    TAIL
    Below 1 Ω
    5 (B1) - 8 (T1)
    HEAD
    Below 1 Ω
    6 (RF) - 7 (ED)
    HEAD
    Below 1 Ω
    Headlight dimmer switch:
    Tester Connection
    Switch Condition
    Specified Condition
    7 (ED) - 9 (HU)
    FLASH
    Below 1 Ω
    7 (ED) - 10 (HL)
    FLASH
    Below 1 Ω
    7 (ED) - 10 (HL)
    LO BEAM
    Below 1 Ω
    7 (ED) - 9 (HU)
    HI BEAM
    Below 1 Ω
    7 (ED) - 10 (HL)
    HI BEAM
    Below 1 Ω
    Turn signal switch:
    Tester Connection
    Switch Condition
    Specified Condition
    11 (E) - 13 (TR)
    Right turn
    Below 1 Ω
    11 (E) - 12 (TL)
    Neutral
    10 kΩ or higher
    11 (E) - 13 (TR)
    Neutral
    10 kΩ or higher
    11 (E) - 12 (TL)
    Left turn
    Below 1 Ω
    Fog light switch:
    Tester Connection
    Switch Condition
    Specified Condition
    1 (LFG) - 2 (BFG)
    OFF
    10 kΩ or higher
    1 (LFG) - 2 (BFG)
    ON
    Below 1 Ω
    If the result is not as specified, replace the dimmer switch assembly.