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.
2025 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE
Electrical Specification
| Terminal No. | Contents | Measuring condition | Standard | ||
|---|---|---|---|---|---|
| (B68) No. 1 (+) ββ Chassis ground (-) | BAT power supply (headlight Lo/Hi right side) (RHB) | Always | 9 - 16 V | ||
| (B68) No. 2 (+) ββ Chassis ground (-) | Headlight Lo right side output | Headlight Lo OFF β ON | Less than 1 V β 9 - 16 V | ||
| (B68) No. 3 (+) ββ Chassis ground (-) | GND | Always | Less than 1 Ξ© | ||
| (B68) No. 4 | - | - | - | ||
| (B68) No. 5 (+) ββ Chassis ground (-) | BAT power supply (control) | Always | 9 - 16 V | ||
| (B68) No. 6 | - | - | - | ||
| (B68) No. 7 | - | - | - | ||
| (B68) No. 8 | Body CAN (H) | Except for sleep status(1) | Serial communication | ||
| (B68) No. 9 | Body CAN (L) | Except for sleep status(1) | Serial communication | ||
| (B68) No. 10 (+)ββ Chassis ground (-) | Front wiper Lo | Front wiper Lo switch OFF β ON | Less than 1 V β 9 - 16 V | ||
| (B68) No. 11 (+) ββ Chassis ground (-) | Front wiper Hi | Front wiper Hi switch OFF β ON | Less than 1 V β 9 - 16 V | ||
| (B68) No. 12 (+) ββ Chassis ground (-) | BAT power supply (wiper) | Always | 9 - 16 V | ||
| (B68) No. 13 (+) ββ Chassis ground (-) | Front wiper RTN | Front wiper stop position β in operation | Less than 1 V β 9 - 16 V | ||
| (B68) No. 14 (+) ββ Chassis ground (-) | Washer fluid level | Washer fluid sufficient β insufficient | 9 - 16 V β Less than 1 V | ||
| (B68) No. 15 (+) ββ Chassis ground (-) | Rear wiper RTN | Rear wiper stop position β in operation | 9 - 16 V β Less than 1 V | ||
| (B68) No. 16 | - | - | - | ||
| (B68) No. 17 | - | - | - | ||
| (B68) No. 18 | - | - | - | ||
| (B68) No. 19 | - | - | - | ||
| (B68) No. 20 (+) ββ Chassis ground (-) | Answer-back buzzer | Answer-back buzzer OFF β ON | Less than 1 V β 9 - 16 V | ||
| (B68) No. 21 (+) ββ Chassis ground (-) | Rear wiper (ON) | Rear wiper switch OFF β ON | 9 - 16 V β Less than 1 V | ||
| (B68) No. 22 (+) ββ Chassis ground (-) | Wiper deicer output | Rear window defogger switch OFF β ON | 9 - 16 V β Less than 1 V | ||
| (B68) No. 23 (+) ββ Chassis ground (-) | Rear defogger output | Rear window defogger switch OFF β ON | 9 - 16 V β Less than 1 V | ||
| (B68) No. 24 (+) ββ Chassis ground (-) | Front fog light output | Front fog light switch OFF β ON | 9 - 16 V β Less than 1 V | ||
| (B68) No. 25 | - | - | - | ||
| (B68) No. 26 (+) ββ Chassis ground (-) | Front wiper Hi switch | Front wiper Hi switch OFF β ON | 9 - 16 V β Less than 1 V | ||
| (B69) No. 1 (+) ββ Chassis ground (-) | BAT power supply (washer) | Always | 9 - 16 V | ||
| (B69) No. 2 (+) ββ Chassis ground (-) | Headlight Hi right side output | Headlight Hi OFF β ON | Less than 1 V β 9 - 16 V | ||
| (B69) No. 3 (+) ββ Chassis ground (-) | Rear washer output | Rear washer switch OFF β ON | Less than 1 V β 9 - 16 V | ||
| (B69) No. 4 | - | - | - | ||
| (B69) No. 5 (+) ββ Chassis ground (-) | Front washer output | Front washer switch OFF β ON | Less than 1 V β 9 - 16 V | ||
| (B69) No. 6 (+) ββ Chassis ground (-) | BAT power supply (headlight Lo/Hi left side) (LHB) | Always | 9 - 16 V | ||
| (B69) No. 7 (+) ββ Chassis ground (-) | Headlight Hi left side output | Headlight Hi OFF β ON | Less than 1 V β 9 - 16 V | ||
| (B69) No. 8 (+) ββ Chassis ground (-) | Headlight Lo left side output | Headlight Lo OFF β ON | Less than 1 V β 9 - 16 V | ||
| (B69) No. 9 (+) ββ Chassis ground (-) | Lighting switch 2 (redundant circuit) | Lighting switch 2 OFF β ON | 9 - 16 V β Less than 1 V | ||
| (B69) No. 10 (+) ββ Chassis ground (-) | BAT (backup) | Always | 9 - 16 V | ||
| (B69) No. 11 (+) ββ Chassis ground (-) | Ignition power supply | Ignition switch ON | 9 - 16 V | ||
| (B69) No. 12 (+) ββ Chassis ground (-) | GND | Always | Less than 1 Ξ© | ||
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Factory Service Tools
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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.