LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2020 >> NX 300 Base, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Lighting System (Triple Beam Headlight) - Diagnostic Codes & Symptom Tests >> LIGHTING SYSTEM (For Triple Beam Headlight) >> Turn Signal Switch Circuit [10/2014 - 09/2017] >> Procedure

Turn Signal Switch Circuit [10/2014 - 09/2017]: Procedure

  1. READ VALUE USING TECHSTREAM (TURN SIGNAL SWITCH) 
    1. Using the Techstream, read the Data List.

      Refer to DATA LIST / ACTIVE TEST [10/2014 - 09/2017]

      Body Electrical > Combination Meter > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Turn Signal Switch (Right) Turn signal switch (right) signal ON or OFF ON: Turn signal switch (right) on
      OFF: Turn signal switch (right) off
      -
      Turn Signal Switch (Left) Turn signal switch (left) signal ON or OFF ON: Turn signal switch (left) on
      OFF: Turn signal switch (left) off
      -

      Body Electrical > Combination Meter > Data List 

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

      Result

      Result Proceed to
      Data list values are as specified A
      Data list values are not as specified B

    Result: 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2014 - 09/2017] 

    Result: 

    See step  2

  2. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY (TURN SIGNAL SWITCH) 
    1. Remove the headlight dimmer switch assembly.

      Refer to REMOVAL [10/2014 - 05/2019]

    2. Inspect the headlight dimmer switch assembly.

      Refer to INSPECTION [10/2014 - 07/2020]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE HEADLIGHT DIMMER SWITCH ASSEMBLY. Refer to  REMOVAL [10/2014 - 05/2019] 

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (HEADLIGHT DIMMER SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY AND BODY GROUND) 
    1. Disconnect the I126 headlight dimmer switch assembly connector.
    2. Disconnect the I11 combination meter assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I126-11 (TL) - I11-4 (EL) Always Below 1 Ω
      I126-12 (TR) - I11-3 (ER)
      I126-13 (CR) - I11-8 (SW)
      I126-15 (EL) - Body ground
      I126-11 (TL) - Body ground Always 10 kΩ or higher
      I126-12 (TR) - Body ground
      I26-13 (CR) - Body ground

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [10/2014 - 09/2017] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR