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)DIAGNOSTICS WITH PHENOMENONINSPECTIONSYMPTOM 2: THE ENGINE STOP PERIOD IS SHORT
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans
Symptom 2: The Engine Stop Period Is Short
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Symptom 2: The Engine Stop Period Is Short
NOTE:
The engine stop period due to Auto Start Stop is the maximum of 120 seconds.
Probable defective cause:
- The battery voltage dropped during Auto Start Stop (state where electrical load is large, battery capacity is low, or battery was degraded).
- Judged the vehicle status as "Auto Start Stop restart conditions are met" (air conditioning gets worse in the vehicle during A/C operation).
- Judged that "the user operates the restart procedure" (braking or steering operation, etc.).
Diagnostic procedure:
- Using the Subaru Select Monitor, perform [Engine stop control] in the active test to stop the engine. Ref. to AUTO START STOP (DIAGNOSTICS)>ACTIVE TEST .
- While stopping the engine using Auto Start Stop, check the appropriate items using the list of check items classified by symptoms. Ref. to AUTO START STOP (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON>INSPECTION>LIST OF CHECK ITEMS CLASSIFIED BY SYMPTOMS .
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.