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Hazard Warning Switch Circuit [04/2013 - 10/2016]: Procedure

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  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.

      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

      Normal conditions listed above are displayed.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [04/2013 - 06/2014]  , or refer to  PROBLEM SYMPTOMS TABLE [06/2014 - 08/2015]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2015 - 10/2016] 

    Result: 

    NG 

    See step  2

  2. INSPECT AIR CONDITIONER CONTROL ASSEMBLY (HAZARD WARNING SIGNAL SWITCH) 
    1. Remove the air conditioner control assembly (hazard warning signal switch).

      Refer to REMOVAL [04/2013 - ]

    2. Inspect the air conditioner control assembly (hazard warning signal switch).

      Refer to INSPECTION [04/2013 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE AIR CONDITIONER CONTROL ASSEMBLY (HAZARD WARNING SIGNAL SWITCH). Refer to  REMOVAL [04/2013 - ] 

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (AIR CONDITIONER CONTROL ASSEMBLY (HAZARD WARNING SIGNAL SWITCH) - COMBINATION METER ASSEMBLY AND BODY GROUND) 
    1. Disconnect the K4 combination meter assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K65-11 (LJB) - K4-12 (HAZM) Always Below 1 Ω
      K65-11 (LJB) - Body ground Always 10 kΩ or higher
      K65-9 (HAZ) - K4-11 (HZSW) Always Below 1 Ω
      K65-9 (HAZ) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [04/2013 - 10/2016] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR