High Beam Headlight Circuit [10/2015 - 08/2019]: Procedure

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
   Headlight High Beam	High beam headlights	ON or OFF	-

   Body Electrical > HL AutoLeveling > Active Test 

   Tester Display
   Headlight High Beam

   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 [10/2015 - 12/2017]  , or refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 03/2018]  , or refer to  PROBLEM SYMPTOMS TABLE [03/2018 - 08/2019] 

Result: 

C 

See step  3

Result: 

B 

See step  2

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

   Refer to DISASSEMBLY [10/2015 - 08/2019]

2. Check that the high beam light LH operate normally.

   OK

   High beam light LH operate normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HEADLIGHT ASSEMBLY LH. 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] 

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

   Refer to DISASSEMBLY [10/2015 - 08/2019]

2. Check that the high beam light RH operate normally.

   OK

   High beam light RH operate normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HEADLIGHT ASSEMBLY RH. 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]