Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU2012IMPREZA WRX STI F4-2.5L DOHC TURBOREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESCOMPULSORY VALVE OPERATION CHECK MODE
2012 Subaru Impreza WRX STI F4-2.5L DOHC Turbo
Compulsory Valve Operation Check Mode
2012 Subaru Impreza WRX STI F4-2.5L DOHC TurboSECTION Compulsory Valve Operation Check Mode
Compulsory Valve Operation Check Mode
OPERATION
1. Prepare the Subaru Select Monitor kit.
2. Prepare PC with Subaru Select Monitor installed.
3. Connect the USB cable to SDI (Subaru Diagnosis Interface) and USB port on the personal computer (dedicated port for the Subaru Select Monitor).
NOTE: The dedicated port for the Subaru Select Monitor means the USB port which was used to install the Subaru Select Monitor.
4. Connect the diagnosis cable to SDI.
5. Connect the delivery (test) mode connector (A) located under the glove box.
6. Connect SDI to data link connector located in the lower portion of the instrument panel (on the driver's side).
CAUTION: Do not connect the scan tools except for Subaru Select Monitor and general scan tool.
7. Start the PC.
8. Turn the ignition switch to ON (engine OFF) and run the "PC application for Subaru Select Monitor".
9. On [[Main Menu]] display, select {Each System Check}.
10. On [[System Selection Menu]] display, select {Engine Control System}.
11. Click the [OK] button after the information of engine type has been displayed.
12. On [[Engine Diagnosis]] display, select {System Operation Check Mode}.
13. On [[System Operation Check Mode]] display, select {Actuator ON/OFF Operation}.
14. Select the actuator to be forcibly driven on the [[Actuator ON/OFF Operation]] display screen and and click the [Next] button.
15. Clicking the [Finished] button completes the compulsory drive mode of actuator. The display will then return to the [[Actuator ON/OFF Operation]] screen.
NOTE: For detailed operation procedures, refer to "PC application help for Subaru Select Monitor".
OPERATION
1. Prepare the Subaru Select Monitor kit.
2. Prepare PC with Subaru Select Monitor installed.
3. Connect the USB cable to SDI (Subaru Diagnosis Interface) and USB port on the personal computer (dedicated port for the Subaru Select Monitor).
NOTE: The dedicated port for the Subaru Select Monitor means the USB port which was used to install the Subaru Select Monitor.
4. Connect the diagnosis cable to SDI.
5. Connect the delivery (test) mode connector (A) located under the glove box.
6. Connect SDI to data link connector located in the lower portion of the instrument panel (on the driver's side).
CAUTION: Do not connect the scan tools except for Subaru Select Monitor and general scan tool.
7. Start the PC.
8. Turn the ignition switch to ON (engine OFF) and run the "PC application for Subaru Select Monitor".
9. On [[Main Menu]] display, select {Each System Check}.
10. On [[System Selection Menu]] display, select {Engine Control System}.
11. Click the [OK] button after the information of engine type has been displayed.
12. On [[Engine Diagnosis]] display, select {System Operation Check Mode}.
13. On [[System Operation Check Mode]] display, select {Actuator ON/OFF Operation}.
14. Select the actuator to be forcibly driven on the [[Actuator ON/OFF Operation]] display screen and and click the [Next] button.
15. Clicking the [Finished] button completes the compulsory drive mode of actuator. The display will then return to the [[Actuator ON/OFF Operation]] screen.
NOTE: For detailed operation procedures, refer to "PC application help for Subaru Select Monitor".
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.