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 DIAGNOSISBRAKESTRACTION CONTROLVEHICLE DYNAMICS CONTROL (VDC) SYSTEMREAR ABS WHEEL SPEED SENSORINSPECTIONCHECK ABS WHEEL SPEED SENSOR UNIT
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans
Check Abs Wheel Speed Sensor Unit
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Check Abs Wheel Speed Sensor Unit
- Visually check the tip of the ABS wheel speed sensor for foreign particles or damage. If necessary, clean the tip or replace the ABS wheel speed sensor.
- Disconnect the ABS wheel speed sensor connector.
- Check the ABS wheel speed sensor cable for discontinuity. If defective, replace the ABS wheel speed sensor.
- Connect a 12 V power supply to No. 1 terminal of ABS wheel speed sensor connector, then attach resistance to the No. 2 terminal. Rotate the wheel at about 2.75 km/h (2 MPH), and measure the voltage using an oscilloscope.
Standard value of output voltage:
0.7 - 1.4 V
- If the inspection result shows that the output voltage is out of the standard value: Replace the magnetic encoder (hub unit bearing).
- If the inspection result shows that the output voltage is within standard value: Replace the VDCCM & H/U.
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.