LIGHTING SYSTEM Hazard Warning Switch Circuit

DTC Code DTC Name
Hazard Warning Switch Circuit

DESCRIPTION

The combination meter receives hazard warning signal switch information signals and illuminates the hazard warning light(s).

WIRING DIAGRAM

E270519E01

PROCEDURE

  1. READ VALUE USING GTS (HAZARD WARNING SIGNAL SWITCH)

    1. Using the GTS, read the Data List.

      Click hereClick here

      Body Electrical > Combination Meter > Data List

      Tester Display

      Measurement Item

      Range

      Normal Condition

      Diagnostic Note

      Hazard Flasher Switch

      Hazard warning signal switch signal

      ON or OFF

      ON: Hazard warning signal switch on

      OFF: Hazard warning signal switch off

      -

      Body Electrical > Combination Meter > Data List

      Tester Display

      Hazard Flasher Switch

      OK

      The display is as specified in the normal condition column.

    Result

    Proceed to

    OK

    NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    NG
  2. INSPECT TELLTALE LIGHT ASSEMBLY (HAZARD WARNING SIGNAL SWITCH)

    1. Remove the telltale light assembly (hazard warning signal switch).

      Click here

    2. Inspect the telltale light assembly (hazard warning signal switch).

      Click here

    Result

    Proceed to

    OK

    NG

    NG

    REPLACE TELLTALE LIGHT ASSEMBLY (HAZARD WARNING SIGNAL SWITCH)

    OK
  3. CHECK HARNESS AND CONNECTOR (TELLTALE LIGHT ASSEMBLY [HAZARD WARNING SIGNAL SWITCH] - COMBINATION METER ASSEMBLY AND BODY GROUND)

    1. Disconnect the G43 telltale light assembly (hazard warning signal switch) connector.

    2. Disconnect the G17 combination meter assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G17-3 (HAZ) - G43-7 (TB)

      Always

      Below 1 Ω

      G43-13 (E) - Body ground

      Always

      Below 1 Ω

      G17-3 (HAZ) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG

    OK

    REPLACE COMBINATION METER ASSEMBLY

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR