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.
2019 Subaru Outback 2.5iFACTORY OEM SERVICE PROCEDURE
Power Seat Control Module
| Terminal No. | Content | Measuring condition | Standard |
|---|---|---|---|
| (R155) No. 1 | - | - | - |
| (R155) No. 2 ββ Chassis ground | Lifter switch (down) | Switch ON | 1.5 V or less |
| (R155) No. 3 ββ Chassis ground | Lifter switch (up) | Switch ON | 1.5 V or less |
| (R155) No. 4 ββ Chassis ground | Tilt switch (down) | Switch ON | 1.5 V or less |
| (R155) No. 5 ββ Chassis ground | Tilt switch (up) | Switch ON | 1.5 V or less |
| (R155) No. 6 ββ Chassis ground | Slide switch (forward) | Switch ON | 1.5 V or less |
| (R155) No. 7 ββ Chassis ground | Slide switch (rearward) | Switch ON | 1.5 V or less |
| (R155) No. 8 ββ Chassis ground | Reclining switch (forward) | Switch ON | 1.5 V or less |
| (R155) No. 9 ββ Chassis ground | Reclining switch (backward) | Switch ON | 1.5 V or less |
| (R155) No. 10 ββ Chassis ground | Battery power supply | Always | 10 - 16 V |
| (R155) No. 11 ββ Chassis ground | Ignition power supply | When ignition switch is ON | 10 - 16 V |
| (R155) No. 12 | LIN communication line | Unmeasurable | - |
| (R155) No. 13 ββ Chassis ground | Memory switch 1 | Switch ON | 1 V or less |
| (R155) No. 14 ββ Chassis ground | Memory switch 2 | Switch ON | 1 V or less |
| (R155) No. 15 ββ Chassis ground | SET switch | Switch ON | 1 V or less |
| (R155) No. 16 ββ (R155) No. 20 | Reclining pulse signal | When the motor is in operation | Pulse output |
| (R155) No. 17 ββ (R155) No. 20 | Tilt pulse signal | When the motor is in operation | Pulse output |
| (R155) No. 18 ββ (R155) No. 20 | Lifter pulse signal | When the motor is in operation | Pulse output |
| (R155) No. 19 ββ (R155) No. 20 | Slide pulse signal | When the motor is in operation | Pulse output |
| (R155) No. 20 ββ Chassis ground | Pulse signal GND | Always | 1 Ξ© or less |
| (R156) No. 1 ββ Chassis ground | Lifter motor up | When the motor is in operation | 9.5 - 16 V |
| (R156) No. 2 ββ Chassis ground | Lifter motor down | When the motor is in operation | 9.5 - 16 V |
| (R156) No. 3 ββ Chassis ground | Battery power supply | Always | 10 - 16 V |
| (R156) No. 4 ββ Chassis ground | Tilt motor up | When the motor is in operation | 9.5 - 16 V |
| (R156) No. 5 ββ Chassis ground | Tilt motor down | When the motor is in operation | 9.5 - 16 V |
| (R156) No. 6 ββ Chassis ground | Reclining motor forward | When the motor is in operation | 9.5 - 16 V |
| (R156) No. 7 ββ Chassis ground | Reclining motor backward | When the motor is in operation | 9.5 - 16 V |
| (R156) No. 8 ββ Chassis ground | Battery power supply | Always | 10 - 16 V |
| (R156) No. 9 ββ Chassis ground | Encoder power supply output | Always | 1 MΞ© or more |
| (R156) No. 10 | - | - | - |
| (R156) No. 11 | - | - | - |
| (R156) No. 12 ββ Chassis ground | GND | Always | 1 Ξ© or less |
| (R156) No. 13 | - | - | - |
| (R156) No. 14 ββ Chassis ground | GND | Always | 1 Ξ© or less |
| (R156) No. 15 ββ Chassis ground | Slide motor rearward | When the motor is in operation | 9.5 - 16 V |
| (R156) No. 16 ββ Chassis ground | Slide motor forward | When the motor is in operation | 9.5 - 16 V |
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.