DESCRIPTION
The spoiler control ECU assembly raises and retracts the active rear wing according to the signal received from the No. 4 combination switch assembly (spoiler control switch).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
Manual operation is enabled only when the vehicle is stopped (vehicle speed is 0 km/h (0 mph)) or at a vehicle speed between approximately 20 and 120 km/h (12 and 75 mph).
PROCEDURE
CHECK FOR DTC
Check for DTCs.
| OK |
|---|
| DTCs are not output. |
| Result | |||
|---|---|---|---|
|
| NG |
|
GO TO DIAGNOSTIC TROUBLE CODE CHART Click here |
| OK |
|
READ VALUE USING GTS
Connect the GTS to the DLC3.
Turn the power switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / Active Rear Wing / Data List.
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Manual Switch | No. 4 combination switch assembly (Spoiler control switch) condition | OFF or ON | OFF: No. 4 combination switch assembly (Spoiler control switch) not pressed ON: No. 4 combination switch assembly (Spoiler control switch) pressed |
- |
| Tester Display |
|---|
| Manual Switch |
| OK |
|---|
| The GTS display changes according to the No. 4 combination switch assembly (spoiler control switch). |
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE SPOILER CONTROL ECU ASSEMBLY Click here |
| NG |
|
INSPECT NO. 4 COMBINATION SWITCH ASSEMBLY (SPOILER CONTROL SWITCH)
Remove the No. 4 combination switch assembly (spoiler control switch).
Inspect the No. 4 combination switch assembly (spoiler control switch).
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE NO. 4 COMBINATION SWITCH ASSEMBLY (SPOILER CONTROL SWITCH) Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (SPOILER CONTROL ECU ASSEMBLY - NO. 4 COMBINATION SWITCH ASSEMBLY (SPOILER CONTROL SWITCH) - BODY GROUND)
Disconnect the X79 spoiler control ECU assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE SPOILER CONTROL ECU ASSEMBLY Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |