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 Forester BaseFACTORY OEM SERVICE PROCEDURE
Main Switch
- Measure the resistance between terminals of the switch power window main.
Preparation tool:
Circuit tester
- Base grade
- Driver's seat main
| Terminal No. | Inspection conditions | Standard |
|---|---|---|
| 14 - 15 | OFF | Less than 1 Ω |
| 7 - 14 7 - 15 |
1 MΩ or more | |
| 7 - 14 | Manual UP | Less than 1 Ω |
| 14 - 15 7 - 15 |
1 MΩ or more | |
| 7 - 15 | Manual DOWN | Less than 1 Ω |
| 14 - 15 7 - 14 |
1 MΩ or more |
- Passenger's seat remote (window lock OFF)
| Terminal No. | Inspection conditions | Standard |
|---|---|---|
| 7 - 11 7 - 12 |
OFF | Less than 1 Ω |
| 7 - 10 | 1 MΩ or more | |
| 10 - 11 7 - 12 |
Manual UP | Less than 1 Ω |
| 11 - 12 | 1 MΩ or more | |
| 10 - 12 7 - 11 |
Manual DOWN | Less than 1 Ω |
| 11 - 12 | 1 MΩ or more |
- Passenger's seat remote (window lock ON)
| Terminal No. | Inspection conditions | Standard |
|---|---|---|
| 11 - 12 | OFF | Less than 1 Ω |
| 7 - 10 | 1 MΩ or more | |
| 10 - 11 | Manual UP | Less than 1 Ω |
| 7 - 12 11 - 12 |
1 MΩ or more | |
| 10 - 12 | Manual DOWN | Less than 1 Ω |
| 7 - 11 11 - 12 |
1 MΩ or more |
- Rear seat remote right (window lock OFF)
| Terminal No. | Inspection conditions | Standard |
|---|---|---|
| 1 - 7 2 - 7 |
OFF | Less than 1 Ω |
| 7 - 10 | 1 MΩ or more | |
| 1 - 10 2 - 7 |
Manual UP | Less than 1 Ω |
| 1 - 2 | 1 MΩ or more | |
| 2 - 10 1 - 7 |
Manual DOWN | Less than 1 Ω |
| 1 - 2 | 1 MΩ or more |
- Rear seat remote right (window lock ON)
| Terminal No. | Inspection conditions | Standard |
|---|---|---|
| 1 - 2 | OFF | Less than 1 Ω |
| 7 - 10 | 1 MΩ or more | |
| 1 - 10 | Manual UP | Less than 1 Ω |
| 1 - 2 2 - 7 |
1 MΩ or more | |
| 2 - 10 | Manual DOWN | Less than 1 Ω |
| 1 - 2 1 - 7 |
1 MΩ or more |
- Rear seat remote left (window lock OFF)
| Terminal No. | Inspection conditions | Standard |
|---|---|---|
| 9 - 7 8 - 7 |
OFF | Less than 1 Ω |
| 10 - 7 | 1 MΩ or more | |
| 10 - 9 8 - 7 |
Manual UP | Less than 1 Ω |
| 8 - 9 | 1 MΩ or more | |
| 10 - 8 9 - 7 |
Manual DOWN | Less than 1 Ω |
| 8 - 9 | 1 MΩ or more |
- Rear seat remote left (window lock ON)
| Terminal No. | Inspection conditions | Standard |
|---|---|---|
| 9 - 8 | OFF | Less than 1 Ω |
| 10 - 7 | 1 MΩ or more | |
| 10 - 9 | Manual UP | Less than 1 Ω |
| 8 - 7 9 - 8 |
1 MΩ or more | |
| 10 - 8 | Manual DOWN | Less than 1 Ω |
| 9 - 8 9 - 7 |
1 MΩ or more |
- Except for base grade (model without telematics)
- Driver's seat main
| Terminal No. | Inspection conditions | Standard |
|---|---|---|
| 11 - 12 | OFF | Less than 1 Ω |
| 7 - 11 7 - 12 |
1 MΩ or more | |
| 7 - 12 | Manual UP | Less than 1 Ω |
| 7 - 11 11 - 12 |
1 MΩ or more | |
| 7 - 11 | Manual DOWN | Less than 1 Ω |
| 7 - 12 11 - 12 |
1 MΩ or more |
- Rear seat remote right (window lock OFF)
| Terminal No. | Inspection conditions | Standard |
|---|---|---|
| 1 - 7 2 - 7 |
OFF | Less than 1 Ω |
| 7 - 16 | 1 MΩ or more | |
| 1 - 16 2 - 7 |
Manual UP | Less than 1 Ω |
| 1 - 2 | 1 MΩ or more | |
| 2 - 16 1 - 7 |
Manual DOWN | Less than 1 Ω |
| 1 - 2 | 1 MΩ or more |
- Rear seat remote right (window lock ON)
| Terminal No. | Inspection conditions | Standard |
|---|---|---|
| 1 - 2 | OFF | Less than 1 Ω |
| 7 - 16 | 1 MΩ or more | |
| 1 - 16 | Manual UP | Less than 1 Ω |
| 1 - 2 2 - 7 |
1 MΩ or more | |
| 2 - 16 | Manual DOWN | Less than 1 Ω |
| 1 - 2 1 - 7 |
1 MΩ or more |
- Rear seat remote left (window lock OFF)
| Terminal No. | Inspection conditions | Standard |
|---|---|---|
| 9 - 7 8 - 7 |
OFF | Less than 1 Ω |
| 16 - 7 | 1 MΩ or more | |
| 16 - 9 8 - 7 |
Manual UP | Less than 1 Ω |
| 8 - 9 | 1 MΩ or more | |
| 16 - 8 9 - 7 |
Manual DOWN | Less than 1 Ω |
| 8 - 9 | 1 MΩ or more |
- Rear seat remote left (window lock ON)
| Terminal No. | Inspection conditions | Standard |
|---|---|---|
| 9 - 8 | OFF | Less than 1 Ω |
| 16 - 7 | 1 MΩ or more | |
| 16 - 9 | Manual UP | Less than 1 Ω |
| 8 - 7 9 - 8 |
1 MΩ or more | |
| 16 - 8 | Manual DOWN | Less than 1 Ω |
| 9 - 8 9 - 7 |
1 MΩ or more |
- Except for base grade (model with telematics)
- Driver's seat main
| Terminal No. | Inspection conditions | Standard |
|---|---|---|
| 12 - 11 | OFF | Less than 1 Ω |
| 7 - 11 7 - 12 |
1 MΩ or more | |
| 12 - 7 | Manual UP | Less than 1 Ω |
| 7 - 11 12 - 11 |
1 MΩ or more | |
| 11 - 7 | Manual DOWN | Less than 1 Ω |
| 7 - 12 11 - 12 |
1 MΩ or more |
- If the inspection result is not within the standard, replace the switch power window main.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.