HEADLIGHT DIMMER SWITCH INSPECTION

PROCEDURE

  1. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY

    1. E139363E73

      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

        20 (H) - 12 (E)

        Light control switch off

        10 kΩ or higher

        18 (T) - 12 (E)

        19 (A) - 12 (E)

        19 (A) - 12 (E)

        Light control switch auto

        Below 1 Ω

        18 (T) - 12 (E)

        Light control switch tail

        Below 1 Ω

        18 (T) - 12 (E)

        Light control switch head

        Below 1 Ω

        20 (H) - 12 (E)

    2. 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

        11 (HU) - 12 (E)

        Headlight dimmer switch flash

        Below 1 Ω

        17 (HF) - 12 (E)

        11 (HU) - 12 (E)

        Headlight dimmer switch hi beam

        Below 1 Ω
        Tip:

        Perform the flash and high beam inspection with the light control switch on head.

    3. E177987

      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 (E)

        Turn signal switch right turn

        Below 1 Ω

        13 (TR) - 12 (E)

        Turn signal switch right lane change

        Below 1 Ω

        13 (TR) - 12 (E)

        Turn signal switch neutral

        10 kΩ or higher

        15 (TL) - 12 (E)

        15 (TL) - 12 (E)

        Turn signal switch left lane change

        Below 1 Ω

        15 (TL) - 12 (E)

        Turn signal switch left turn

        Below 1 Ω

    4. 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

        4 (BFG) - 3 (LFG)

        Fog light switch off

        10 kΩ or higher

        2 (B) - 3 (LFG)

        4 (BFG) - 3 (LFG)

        Front fog light switch on

        Below 1 Ω

        4 (BFG) - 3 (LFG)

        Rear fog light switch on

        Below 1 Ω

        2 (B) - 3 (LFG)
        Table 1. Text in Illustration

        *1

        Component without harness connected

        (Headlight Dimmer Switch Assembly)

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