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.
2021 Subaru Crosstrek Base, Automatic CVT TransFACTORY OEM SERVICE PROCEDURE
Front Regulator And Motor Assembly
| Terminal No. | Contents | Measuring condition | Standard |
|---|---|---|---|
| (D3) or (D13) No. 1 ββ Chassis ground | GND | Always | Less than 1 Ξ© |
| (D3) or (D13) No. 2 | - | - | - |
| (D13) No. 3 ββ Chassis ground | SW assembly PW SUB LED output (Passenger's side only) | Power window switch LED light: ON | Battery voltage |
| Power window switch LED light: OFF | 10 ΞΌA or less | ||
| (D13) No. 4 | SW assembly PW AUTO operation input (Passenger's side only) | Power window switch AUTO: ON | 1.0 V or less |
| Power window switch AUTO: OFF | Battery voltage | ||
| (D3) or (D13) No. 5 ββ Chassis ground | Regulator and motor assembly power supply | Always | Battery voltage |
| (D3) or (D13) No. 6 ββ Chassis ground | SW assembly PW DOWN operation input | Power window switch DOWN: ON | 1.0 V or less |
| Power window switch DOWN: OFF | Battery voltage | ||
| (D3) or (D13) No. 7 | UP AND DOWN LIN signal input | - | - |
| (D3) or (D13) No. 8 ββ Chassis ground | SW assembly PW UP operation input | Power window switch UP: ON | 1.0 V or less |
| Power window switch UP: OFF | Battery voltage |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
