Front Side Marker Light Circuit [11/2020 - 11/2021]: Procedure

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

   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  4

Result: 

A 

See step  2

1. Using the GTS, perform the Active Test.

   for Stereo Camera Type:

   Body Electrical > AFS > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Cornering Light/Front Side Illuminate Light	Front side marker lights	OFF or ON	-

   Body Electrical > AFS > Active Test 

   Tester Display
   Cornering Light/Front Side Illuminate Light

   for Mono Camera Type:

   Body Electrical > HL AutoLeveling > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Cornering Light/Front Side Illuminate Light	Front side marker lights	OFF or ON	-

   Body Electrical > HL AutoLeveling > Active Test 

   Tester Display
   Cornering Light/Front Side Illuminate 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 [11/2020 - 12/2023] 

Result: 

NG 

See step  3

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

   Refer to REMOVAL [11/2020 - 11/2021]

2. Check that the 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 [11/2020 - 11/2021] 

Result: 

B 

REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to  REMOVAL [11/2020 - 11/2021] 

1. Using the GTS, perform the Active Test.

   for Stereo Camera Type:

   Body Electrical > AFS (Sub) > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Cornering Light/Front Side Illuminate Light	Front side marker lights	OFF or ON	-

   Body Electrical > AFS (Sub) > Active Test 

   Tester Display
   Cornering Light/Front Side Illuminate Light

   for Mono Camera Type:

   Body Electrical > HL AutoLeveling (Sub) > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Cornering Light/Front Side Illuminate Light	Front side marker lights	OFF or ON	-

   Body Electrical > HL AutoLeveling (Sub) > Active Test 

   Tester Display
   Cornering Light/Front Side Illuminate 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 [11/2020 - 12/2023] 

Result: 

NG 

See step  5

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

   Refer to REMOVAL [11/2020 - 11/2021]

2. Check that the 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 [11/2020 - 11/2021] 

Result: 

B 

REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to  REMOVAL [11/2020 - 11/2021]