Clearance Light/Daytime Running Light Circuit [10/2017 - 09/2019]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Enter the following menus: Body Electrical / HL AutoLeveling / Active Test.
4. 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	Clearance 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

   Clearance lights and daytime running lights illuminate.

   Result

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

Result: 

A 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [10/2017 - 09/2019] 

Result: 

C 

See step  3

Result: 

B 

See step  2

1. Replace the headlight unit assembly LH with a new or known good one.
   1. for Halogen Headlight: Refer to REMOVAL [10/2017 - 09/2019]
   2. for LED Headlight: Refer to REMOVAL [10/2017 - 09/2019]
2. Check that the clearance light LH and daytime running light LH operate normally.

   OK

   Clearance light LH and daytime running light LH operate normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (HEADLIGHT UNIT ASSEMBLY LH WAS DEFECTIVE) 

Result: 

NG 

REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [10/2017 - 09/2019] 

1. Replace the headlight unit assembly RH with a new or known good one.
   1. for Halogen Headlight: Refer to REMOVAL [10/2017 - 09/2019]
   2. for LED Headlight: Refer to REMOVAL [10/2017 - 09/2019]
2. Check that the clearance light RH and daytime running light RH operate normally.

   OK

   Clearance light RH and daytime running light RH operate normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (HEADLIGHT UNIT ASSEMBLY RH WAS DEFECTIVE) 

Result: 

NG 

REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to  REMOVAL [10/2017 - 09/2019]