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 MANUALSSUBARU2022IMPREZA BASE, 4D SEDAN, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISAUTO START STOP (DIAGNOSTICS)INSPECTION MODEPROCEDUREPREPARATION FOR THE INSPECTION MODE
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans
Preparation For The Inspection Mode
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Preparation For The Inspection Mode
- Check that the battery voltage is 12 V or more and fuel remains approx. half [20 - 40 L (5.3 - 10.6 US gal, 4.4 - 8.8 Imp gal)].
- Check that the front hood is closed.
- Start and warm up the engine.
- Using the Subaru Select Monitor, read the data of [Auto Start Stop] and check that [ECM Idle Stop Prohibition] and [CVT idle stop prohibition] are set to [ON]. Ref. to AUTO START STOP (DIAGNOSTICS)>DATA MONITOR .
- Using the Subaru Select Monitor, perform the clear memory of [Auto Start Stop]. Ref. to COMMON (DIAG)>CLEAR MEMORY .
- Read the diagnostic trouble code (DTC) and check that no DTC is displayed. Ref. to AUTO START STOP (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .NOTE:
If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis using "Diagnostic Procedure with Diagnostic Trouble Code (DTC)". After solving the DTC, repeat from step 2).
- Turn the ignition switch to OFF.
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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.