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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSSUBARU2022IMPREZA BASE, 4D SEDAN, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLBRAKE CONTROL SYSTEM (DIAGNOSTICS) (EXCEPT HEV)CONTROL MODULE I/O SIGNALELECTRICAL SPECIFICATION
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans
Electrical Specification
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Electrical Specification
NOTE:
- Terminal numbers in VDCCM and H/U connector (on the control module side) are shown in the figure.Β
- When the connector is removed from the VDCCM and H/U, the brake warning light (EBD warning light), ABS warning light, VDC warning light and VDC indicator light, VDC OFF indicator light, and the hill start assist warning light illuminate.Β
| Terminal No. | Content | Measuring condition | Standard |
|---|---|---|---|
| (B310) No. 1 ββ Chassis ground | VDC pump motor power supply | Always | Battery voltage |
| (B310) No. 2 ββ Chassis ground | Stop light switch | Brake pedal operation | Brake ON: Battery voltage Brake OFF: Ground |
| (B310) No. 4 | VSO PIN output | - | - |
| (B310) No. 6 ββ Chassis ground | Ignition power supply | Ignition switch: ON | Ignition power supply voltage |
| (B310) No. 10 | CAN-L | - | - |
| (B310) No. 11 | CAN-H | - | - |
| (B310) No. 13 | Ground | - | - |
| (B310) No. 15 | Brake booster pressure sensor output signal | - | - |
| (B310) No. 16 ββ Chassis ground | Brake booster pressure sensor power supply | Ignition switch: ON | 4.85 - 5.15 V |
| (B310) No. 24 | Brake booster pressure sensor GND | - | - |
| (B310) No. 25 ββ Chassis ground | VDCCM power supply | Always | Battery voltage |
| (B310) No. 26 | FR wheel speed sensor GND | - | - |
| (B310) No. 27 | FR wheel speed sensor signal | - | - |
| (B310) No. 28 ββ Chassis ground | Stop light relay | Ignition switch: ON | Ignition power supply voltage |
| (B310) No. 29 | RL wheel speed sensor signal | - | - |
| (B310) No. 30 | RL wheel speed sensor GND | - | - |
| (B310) No. 32 ββ Chassis ground | VDC OFF switch | VDC OFF switch operation | Switch ON: 1 Ξ© or less Switch OFF: 1 MΞ© or more |
| (B310) No. 33 | RR wheel speed sensor GND | - | - |
| (B310) No. 34 | RR wheel speed sensor signal | - | - |
| (B310) No. 35 ββ Chassis ground | Brake fluid level switch | Ignition switch: ON | 6 V or more |
| (B310) No. 36 | FL wheel speed sensor signal | - | - |
| (B310) No. 37 | FL wheel speed sensor GND | - | - |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.