LIGHTING SYSTEM Hazard Warning Switch Circuit

DESCRIPTION

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

WIRING DIAGRAM

A01V9Y1E01

PROCEDURE


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


    1. Using the GTS, read the Data List.

      Click 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 Click here

    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) Click here

    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 Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR