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Hazard Warning Switch Circuit [10/2014 - ]: Procedure

  1. READ VALUE USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Combination Meter / Data List.
    5. Read the display on the Techstream.
      COMBINATION METER

      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
      -

      OK

      Normal conditions listed above are displayed.

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    (Refer to PROBLEM SYMPTOMS TABLE [10/2014 - 10/2015] Refer to PROBLEM SYMPTOMS TABLE [10/2015 - ] )

    Result: 

    NG 

    See step  2

  2. INSPECT HAZARD WARNING SIGNAL SWITCH ASSEMBLY 
    1. Remove the hazard warning signal switch assembly (Refer to REMOVAL [10/2014 - ] ).
    2. Inspect the hazard warning signal switch assembly (Refer to INSPECTION [10/2014 - ] ).

    Result: 

    NG 

    REPLACE HAZARD WARNING SIGNAL SWITCH ASSEMBLY 

    (Refer to REMOVAL [10/2014 - ] )

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (HAZARD WARNING SIGNAL SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY AND BODY GROUND) 
    1. Disconnect the D8 combination meter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D53-4 (F) - D8-5 (HAZ) Always Below 1 Ω
      D53-4 (F) - Body ground Always 10 kΩ or higher
      D53-1 (E) - Body ground Always Below 1 Ω

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY 

    (Refer to REMOVAL [10/2014 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR