ACTIVE REAR WING SYSTEM Both Manual and Automatic Operation of Active Rear Wing does not Operate

DESCRIPTION

When the active rear wing cannot be operated by either manual or automatic operation, there may be a malfunction in the spoiler control ECU assembly power supply, ground circuit, spoiler control ECU assembly or No. 2 rear spoiler motor assembly may be malfunctioning.

CAUTION / NOTICE / HINT

PROCEDURE

1. Click here

   READ VALUE USING GTS

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the engine switch on (IG).

   3. Turn the GTS on.

   4. Enter the following menus: Customize Setting / Others.

   5. Check that the active rear wing system customize setting "Active Rear Wing Control" is set to "Permission".

      
      
      1. Others

         Tester Display	Description	Default	Setting	ECU
         Active Rear Wing Control	Active rear wing system permission/prohibition setting	Prohibition	01:Permission,10:Prohibition	Spoiler control ECU assembly

      2. 
         
      3. 
         
         10. 
             

      OK
      The active rear wing system customize setting "Active Rear Wing Control" is set to "Permission".

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     PERFORM CUSTOMIZE FUNCTION (Change setting to "Permission")Click here

2. Click here

   CHECK FOR DTC

   
   

   1. Check for DTCs.

      Click here

      
      
      1. Body Electrical > Active Rear Wing > Trouble Codes
      2. 
         
      3. 
         

      OK
      DTCs are not output.

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     GO TO DIAGNOSTIC TROUBLE CODE CHARTClick here

3. Click here

   READ VALUE USING GTS

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the engine switch on (IG).

   3. Turn the GTS on.

   4. Enter the following menus: Body Electrical / Active Rear Wing / Data List.

   5. Read the Data List according to the display on the GTS.

      
      
      1. Body Electrical > Active Rear Wing > Data List

         Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
         Vehicle Speed Information	Vehicle speed signal reception condition	OK or NG	OK: Vehicle speed signal is valid NG: Vehicle speed signal is invalid	-

      2. 
         
         10. 
             
      
      
      1. Body Electrical > Active Rear Wing > Data List

         Tester Display
         Vehicle Speed Information

      2. 
         
         1. 
            
      3. 
         
         10. 
             

      Result
      Result Proceed to OK is displayed on the GTS A NG is displayed on the GTS B

   
   
   • AClick here
   • B

     GO TO VEHICLE STABILITY CONTROL SYSTEMClick here

4. Click here

   CHECK HARNESS AND CONNECTOR (BODY GROUND)

   
   

   1. Disconnect the U38 spoiler control ECU assembly connector.

   2. 

      *a	Front view of wire harness connector (to Spoiler Control ECU Assembly)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition U38-1 (GND) - Body ground Engine switch on (IG) 11 to 14 V

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR

5. Click here

   CHECK HARNESS AND CONNECTOR (POWER SUPPLY)

   
   
   1. 

      *a	Front view of wire harness connector (to Spoiler Control ECU Assembly)

      Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition U38-18 (ECUB) - U38-1 (GND) Always 11 to 14 V U38-19 (B) - U38-1 (GND) Always 11 to 14 V U38-16 (IG) - U38-1 (GND) Engine switch off Below 1 V U38-16 (IG) - U38-1 (GND) Engine switch on (IG) 11 to 14 V

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR

6. Click here

   INSPECT NO. 2 REAR SPOILER MOTOR ASSEMBLY

   
   

   1. Remove the No. 2 rear spoiler motor assembly.

      Click here

   2. Inspect the No. 2 rear spoiler motor assembly.

      Click here

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     REPLACE NO. 2 REAR SPOILER MOTOR ASSEMBLYClick here

7. Click here

   CHECK HARNESS AND CONNECTOR (SPOILER CONTROL ECU ASSEMBLY - NO. 2 REAR SPOILER MOTOR ASSEMBLY)

   
   

   1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition U38-6 (RSM+) - F1-3 (U) Always Below 1 Ω U38-6 (RSM+) or F1-3 (U) - Body ground Always 10 kΩ or higher U38-7 (RSM-) - F1-1 (D) Always Below 1 Ω U38-7 (RSM-) or F1-1 (D) - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   
   • OK

     REPLACE SPOILER CONTROL ECU ASSEMBLYClick here

   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR