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Parking Light/Daytime Running Light Circuit [10/2015 - 08/2019]: Procedure

  1. PERFORM ACTIVE TEST USING TECHSTREAM 
    1. for Single Beam Headlight without AFS (Adaptive Front-lighting System):
      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 / HL AutoLeveling / Active Test.
      5. Perform the Active Test according to the display on the Techstream.

        Body Electrical > HL AutoLeveling > Active Test 

        Tester Display Measurement Item Control Range Diagnostic Note
        Clearance Light Parking lights ON or OFF -
        Daytime Running Light Daytime running lights ON or OFF -

        Body Electrical > HL AutoLeveling > Active Test 

        Tester Display
        Clearance Light

        Body Electrical > HL AutoLeveling > Active Test 

        Tester Display
        Daytime Running Light

        OK

        Parking lights and daytime running lights illuminate.

    2. for Triple Beam Headlight, for Single Beam Headlight with AFS (Adaptive Front-lighting System):
      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 / AFS / Active Test.
      5. Perform the Active Test according to the display on the Techstream.

        Body Electrical > AFS > Active Test 

        Tester Display Measurement Item Control Range Diagnostic Note
        Clearance Light Parking lights ON or OFF -
        Daytime Running Light Daytime running lights ON or OFF -

        Body Electrical > AFS > Active Test 

        Tester Display
        Clearance Light

        Body Electrical > AFS > Active Test 

        Tester Display
        Daytime Running Light

        OK

        Parking lights and daytime running lights illuminate.

      Result

      Result Proceed to
      OK A
      NG (for LH Side) B
      NG (for RH Side) C

    Result: 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2015 - 12/2017]  , or refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 03/2018]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2018 - 08/2019] 

    Result: 

    See step  3

    Result: 

    See step  2

  2. CHECK HEADLIGHT UNIT LH 
    1. Interchange the headlight unit LH with RH and connect the connectors to them.

      for Single Beam Headlight: Refer to DISASSEMBLY [10/2015 - 08/2019]

      for Triple Beam Headlight: Refer to DISASSEMBLY [10/2015 - 08/2019]

    2. Check that the parking light LH and daytime running light LH operate normally.

      OK

      Parking light LH and daytime running light LH operate normally.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HEADLIGHT ASSEMBLY LH 

    for Single Beam Headlight: Refer to REMOVAL [10/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019]

    for Triple Beam Headlight: Refer to REMOVAL [10/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019]

    Result: 

    NG 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [10/2015 - 08/2016]  , or refer to  REMOVAL [08/2016 - 08/2019] 

  3. CHECK HEADLIGHT UNIT RH 
    1. Interchange the headlight unit RH with LH and connect the connectors to them.

      for Single Beam Headlight: Refer to DISASSEMBLY [10/2015 - 08/2019]

      for Triple Beam Headlight: Refer to DISASSEMBLY [10/2015 - 08/2019]

    2. Check that the parking light RH and daytime running light RH operate normally.

      OK

      Parking light RH and daytime running light RH operate normally.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HEADLIGHT ASSEMBLY RH 

    for Single Beam Headlight: Refer to REMOVAL [10/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019]

    for Triple Beam Headlight: Refer to REMOVAL [10/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019]

    Result: 

    NG 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to  REMOVAL [10/2015 - 08/2016]  , or refer to  REMOVAL [08/2016 - 08/2019]