Automatic High Beam Switch Indicator does not Come ON [06/2018 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Chassis / Steering Angle Sensor / Data List.
5. Read the Data List according to the display on the Techstream.

   Chassis > Steering Angle Sensor > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Auto High Beam Main Switch	Automatic high beam switch signal	OFF or ON	OFF: Automatic high beam switch off ON: Automatic high beam switch on	-

   Chassis > Steering Angle Sensor > Data List 

   Tester Display
   Auto High Beam Main Switch

   OK

   Normal conditions listed above are displayed.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [06/2018 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2021 - ] 

Result: 

NG 

See step  2

1. Remove the turn signal switch.

   Refer to REMOVAL [06/2018 - ]

2. Inspect the turn signal switch.

   Refer to INSPECTION [06/2018 - 08/2020] , or refer to INSPECTION [08/2020 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE TURN SIGNAL SWITCH. Refer to  REMOVAL [06/2018 - ] 

Result: 

OK 

See step  3

1. Remove the steering wheel switch housing.

   Refer to REMOVAL [06/2018 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ]

2. Inspect the steering wheel switch housing.

   Refer to INSPECTION [06/2018 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE STEERING SENSOR. Refer to  REMOVAL [06/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

Result: 

NG 

REPLACE STEERING WHEEL SWITCH HOUSING. Refer to  REMOVAL [06/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ]