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Turn Signal Switch Circuit [08/2019 - ]: Procedure

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

      Body Electrical > Combination Meter > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Turn Signal Switch (Right) Turn signal switch (right) signal OFF or ON OFF: Turn signal switch not in right turn position
      ON: Turn signal switch in right turn position
      -
      Turn Signal Switch (Left) Turn signal switch (left) signal OFF or ON OFF: Turn signal switch not in left turn position
      ON: Turn signal switch in left turn position
      -
      Turn Switch Signal (Full Turn) Turn signal switch (full turn) signal OFF or ON OFF: Turn signal switch not in left or right turn position
      ON: Turn signal switch in left or right turn position
      -

      Body Electrical > Combination Meter > Data List 

      Tester Display
      Turn Signal Switch (Right)
      Turn Signal Switch (Left)
      Turn Switch Signal (Full Turn)

      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 [08/2019 - ] 

    Result: 

    NG 

    See step  2

  2. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY 
    1. Remove the headlight dimmer switch assembly.

      Refer to REMOVAL [08/2019 - ]

    2. Inspect the headlight dimmer switch assembly.

      Refer to INSPECTION [08/2019 - 07/2020] , or refer to INSPECTION [07/2020 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE HEADLIGHT DIMMER SWITCH ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (HEADLIGHT DIMMER SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY AND BODY GROUND) 
    1. Disconnect the J11 combination meter assembly connector.
    2. Measure the resistance according to the value (s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J28-12 (TR) - J11-3 (ER) Always Below 1 Ω
      J28-11 (TL) - J11-4 (EL) Always Below 1 Ω
      J28-13 (CR) - J11-8 (SW) Always Below 1 Ω
      J28-12 (TR) or J11-3 (ER) - Body ground Always 10 kΩ or higher
      J28-11 (TL) or J11-4 (EL) - Body ground Always 10 kΩ or higher
      J28-13 (CR) or J11-8 (SW) - Body ground Always 10 kΩ or higher
      J28-15 (EL) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR