LIGHTING SYSTEM(for LED Headlight) Hazard Warning Switch Circuit

DESCRIPTION

The combination meter assembly receives the hazard warning signal switch assembly ON signal and controls the operation of the hazard warning lights.

WIRING DIAGRAM

B001INJE08
*a HZSW
*b Integration Control and Panel Assembly (Hazard Warning Signal Switch)
*c Combination Meter Assembly

CAUTION / NOTICE / HINT

Note

When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not

PROCEDURE


  1. READ VALUE USING GTS


    1. Using the GTS, read the Data List.

      Click here

      Combination Meter
      Tester Display Measurement Item / Range Control Range Diagnostic Note
      Hazard Flasher Switch Integration control and panel assembly (hazard warning signal switch) / OFF or ON

      OFF: Integration control and panel assembly (hazard warning signal switch) off

      ON: Integration control and panel assembly (hazard warning signal switch) on

      		 -
      OK
      Normal condition listed above are displayed.
      Result
      Proceed to
      OK
      NG

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

  2. INSPECT INTEGRATION CONTROL AND PANEL ASSEMBLY


    1. Remove the integration control and panel assembly (hazard warning signal switch).

      Click here

    2. Inspect the integration control and panel assembly (hazard warning signal switch).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE INTEGRATION CONTROL AND PANEL ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (HAZARD WARNING SIGNAL SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY AND BODY GROUND)


    1. Disconnect the G23 hazard warning signal switch assembly connector.

    2. Disconnect the G304 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G23-8 (HAZ) - G304-7 (HZSW) Always Below 1 Ω
      G23-4 (GND) - Body ground Always Below 1 Ω
      G23-8 (HAZ) or G304-7 (HZSW) - 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