Front Side Marker Light Circuit [09/2019 - ]: Procedure

1. Check the illumination of each front side marker light.

   Result

   Result	Proceed to
   LH side front side marker light does not illuminate	A
   RH side front side marker light does not illuminate	B

Result: 

B 

See step  5

Result: 

A 

See step  2

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
   Clearance Light	Parking lights	OFF or ON	-

   Body Electrical > AFS > Active Test 

   Tester Display
   Clearance Light

   OK

   Front side marker light illuminates.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [09/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 12/2021]  , or refer to  PROBLEM SYMPTOMS TABLE [12/2021 - ] 

Result: 

NG 

See step  3

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

   Refer to REMOVAL [09/2019 - 08/2020] , or refer to REMOVAL [08/2020 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Check the operation of front side marker light.

   OK

   Front side marker light operates normally.

   Result

   Result	Proceed to
   LH side front side marker light does not illuminate	A
   RH side front side marker light does not illuminate	B

Result: 

A 

REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [09/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - ] 

Result: 

B 

REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to  REMOVAL [09/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - ] 

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
   Clearance Light	Parking lights	OFF or ON	-

   Body Electrical > AFS (Sub) > Active Test 

   Tester Display
   Clearance Light

   OK

   Front side marker light illuminates.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [09/2019 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 12/2021]  , or refer to  PROBLEM SYMPTOMS TABLE [12/2021 - ] 

Result: 

NG 

See step  6

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

   Refer to REMOVAL [09/2019 - 08/2020] , or refer to REMOVAL [08/2020 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  7

1. Check the operation of front side marker light.

   OK

   Front side marker light operates normally.

   Result

   Result	Proceed to
   RH side front side marker light does not illuminate	A
   LH side front side marker light does not illuminate	B

Result: 

A 

REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to  REMOVAL [09/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - ] 

Result: 

B 

REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to  REMOVAL [09/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - ]