LIGHTING SYSTEM Turn Signal Switch Circuit

DTC Code DTC Name
Turn Signal Switch Circuit

DESCRIPTION

The combination meter receives the turn signal switch information and controls the turn signal lights.

WIRING DIAGRAM

E224250E10

PROCEDURE

  1. READ VALUE USING GTS

    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Combination Meter / Data List.

    5. Read the display on the GTS.

      Body Electrical > Combination Meter > Data List

      Tester Display

      Measurement Item

      Range

      Normal Condition

      Diagnostic Note

      Turn Signal Switch (Right)

      Turn signal switch (Right) signal

      ON or OFF

      ON: Turn signal switch (Right) on

      OFF: Turn signal switch (Right) off

      -

      Turn Signal Switch (Left)

      Turn signal switch (Left) signal

      ON or OFF

      ON: Turn signal switch (Left) on

      OFF: Turn signal switch (Left) off

      -

      Body Electrical > Combination Meter > Data List

      Tester Display

      Turn Signal Switch (Right)

      Turn Signal Switch (Left)

      OK

      Normal conditions listed above are displayed.

    Result

    Proceed to

    OK

    NG
    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Click hereClick hereClick hereClick hereClick here

    NG

  2. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY

    1. Remove the headlight dimmer switch assembly.

      Click here

    2. E223779C04

      *a

      Component without harness connected

      (Headlight Dimmer Switch Assembly)

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      12 (TR) - 15 (EL)

      Turn signal switch in neutral position

      10 kΩ or higher

      11 (TL) - 15 (EL)

      Turn signal switch in neutral position

      10 kΩ or higher

      12 (TR) - 15 (EL)

      Turn signal switch in right turn position

      Below 1 Ω

      11 (TL) - 15 (EL)

      Turn signal switch in left turn position

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE HEADLIGHT DIMMER SWITCH ASSEMBLY

    Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (HEADLIGHT DIMMER SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY)

    1. Disconnect the E45 combination meter assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      E8-12 (TR) - E45-9 (ER)

      Always

      Below 1 Ω

      E8-11 (TL) - E45-10 (EL)

      Always

      Below 1 Ω

      E8-15 (EL) - Body ground

      Always

      Below 1 Ω

      E45-9 (ER) - Body ground

      Always

      10 kΩ or higher

      E45-10 (EL) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Click hereClick hereClick hereClick hereClick here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR