Only Automatic Operation of Active Rear Wing does not Operate [03/2017 - ]: Procedure

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [03/2017 - ]

   Body Electrical > Active Rear Wing > Trouble Codes 

   OK

   DTCs are not output.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [03/2017 - ] 

Result: 

OK 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Active Rear Wing / Data List.
5. Read the Data List according to the display on the Techstream.

   Chassis > ABS/VSC/TRAC > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Vehicle Speed	Vehicle speed	0 km/h (0 mph) to 326 km/h (202 mph)	Almost the same as actual vehicle speed	-

   Chassis > ABS/VSC/TRAC > Data List 

   Tester Display
   Vehicle Speed

   OK

   The vehicle speed displayed on the Techstream is almost the same as the actual vehicle speed.

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE SPOILER CONTROL ECU ASSEMBLY. Refer to  REMOVAL [03/2017 - 05/2023]  , or refer to  REMOVAL [05/2023 - ] 

Result: 

NG 

GO TO ELECTRONIC CONTROLLED BRAKE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - 09/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - ]