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LIGHTING SYSTEM Hazard Warning Switch Circuit

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DTC Code DTC Name
  Hazard Warning Switch Circuit
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DESCRIPTION

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

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WIRING DIAGRAM

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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 match the information from the vehicle and a DTC may be stored.

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PROCEDURE


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    READ VALUE USING GTS


    1. Using the GTS, read the Data List.

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      1. Body Electrical > Combination Meter > Data List
        Tester Display Measurement Item Range Normal Condition Diagnostic Note
        Hazard Flasher Switch Hazard warning signal switch assembly OFF or ON

        OFF: Hazard warning signal switch assembly off

        ON: Hazard warning signal switch assembly on

        		 -



      1. Body Electrical > Combination Meter > Data List
        Tester Display
        Hazard Flasher Switch




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

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    INSPECT HAZARD WARNING SIGNAL SWITCH ASSEMBLY


    1. Remove the hazard warning signal switch assembly.

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    2. Inspect the hazard warning signal switch assembly.

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      Result
      Proceed to
      OK
      NG

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


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

    2. Disconnect the G35 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      AA-6 (HAZ) - G35-2 (HZSW) Always Below 1 Ω
      AA-3 (E) - Body ground Always Below 1 Ω
      AA-6 (HAZ) or G35-2 (HZSW) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OK

      REPLACE COMBINATION METER ASSEMBLYClick here

    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR