Daytime Running Light Circuit [06/2018 - 09/2022]: Procedure

1. Check the operation of the low beam headlights.

   OK

   The low beam headlights operate normally.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [06/2018 - 01/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [01/2019 - 09/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [09/2019 - 04/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [04/2020 - 09/2022] 

Result: 

OK 

See step  2

1. Check the illumination of each daytime running lights.

   Result

   Result	Proceed to
   LH side daytime running light does not illuminate	A
   RH side daytime running light does not illuminate	B

Result: 

B 

See step  6

Result: 

A 

See step  3

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 / 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
   Daytime Running Light	Daytime running lights	OFF or ON	-

   Body Electrical > AFS > Active Test 

   Tester Display
   Daytime Running Light

   OK

   Daytime running lights illuminate.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [06/2018 - 01/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [01/2019 - 09/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [09/2019 - 04/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [04/2020 - 09/2022] 

Result: 

NG 

See step  4

1. Interchange the headlight unit assembly LH with RH and connect the connectors.

   Refer to DISASSEMBLY [06/2018 - 01/2019] , or refer to DISASSEMBLY [01/2019 - 03/2019] , or refer to DISASSEMBLY [03/2019 - 09/2022]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  5

1. Check the operation of the daytime running lights.

   OK

   The daytime running lights operate normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [06/2018 - 09/2022] 

Result: 

NG 

REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to  DISASSEMBLY [06/2018 - 01/2019]  , or refer to  DISASSEMBLY [01/2019 - 03/2019]  , or refer to  DISASSEMBLY [03/2019 - 09/2022] 

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 / AFS (Sub) / Active Test.
5. Perform the Active Test according to the display on the Techstream.

   Body Electrical > AFS (Sub) > Active Test 

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

   Body Electrical > AFS (Sub) > Active Test 

   Tester Display
   Daytime Running Light

   OK

   Daytime running lights illuminate.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [06/2018 - 01/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [01/2019 - 09/2019]  , or refer to  PROBLEM SYMPTOMS TABLE [09/2019 - 04/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [04/2020 - 09/2022] 

Result: 

NG 

See step  7

1. Interchange the headlight unit assembly RH with LH and connect the connectors.

   Refer to DISASSEMBLY [06/2018 - 01/2019] , or refer to DISASSEMBLY [01/2019 - 03/2019] , or refer to DISASSEMBLY [03/2019 - 09/2022]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  8

1. Check the operation of the daytime running lights.

   OK

   The daytime running lights operate normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to  REMOVAL [06/2018 - 09/2022] 

Result: 

NG 

REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to  DISASSEMBLY [06/2018 - 01/2019]  , or refer to  DISASSEMBLY [01/2019 - 03/2019]  , or refer to  DISASSEMBLY [03/2019 - 09/2022]