Headlight Beam Level Control Actuator Circuit [03/2017 - ]: Procedure

1. Perform the Active Test according to the display on the Techstream.

   Refer to DATA LIST / ACTIVE TEST [03/2017 - 04/2020] , or refer to DATA LIST / ACTIVE TEST [04/2020 - 05/2023] , or refer to DATA LIST / ACTIVE TEST [05/2023 - ]

   Body Electrical > HL AutoLeveling > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   Drive The Leveling Motor	Headlight leveling motor	OFF or ON	Perform the Active Test with the engine switch on (IG) and vehicle stopped.

   Body Electrical > HL AutoLeveling > Active Test 

   Tester Display
   Drive The Leveling Motor

   OK

   Headlight leveling motors operate normally.

   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 [03/2017 - 05/2023]  , or refer to  PROBLEM SYMPTOMS TABLE [05/2023 - ] 

Result: 

C 

See step  3

Result: 

B 

See step  2

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

   Refer to REMOVAL [03/2017 - 05/2023] , or refer to REMOVAL [05/2023 - ]

2. Check that the headlight leveling motor LH operate normally.

   Refer to OPERATION CHECK [03/2017 - 04/2020] , or refer to OPERATION CHECK [04/2020 - 05/2023] , or refer to OPERATION CHECK [05/2023 - ]

   OK

   Headlight leveling motor LH operate normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to  DISASSEMBLY [03/2017 - ] 

Result: 

NG 

REPLACE NO. 1 HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [03/2017 - 05/2023]  , or refer to  REMOVAL [05/2023 - ] 

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

   Refer to REMOVAL [03/2017 - 05/2023] , or refer to REMOVAL [05/2023 - ]

2. Check that the headlight leveling motor RH operate normally.

   Refer to OPERATION CHECK [03/2017 - 04/2020] , or refer to OPERATION CHECK [04/2020 - 05/2023] , or refer to OPERATION CHECK [05/2023 - ]

   OK

   Headlight leveling motor RH operate normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to  DISASSEMBLY [03/2017 - ] 

Result: 

NG 

REPLACE NO. 1 HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to  REMOVAL [03/2017 - 05/2023]  , or refer to  REMOVAL [05/2023 - ]