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.
2015 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE
Keyless Entry Control Module
- Model without tire pressure monitoring system
| Terminal No. | Item | Measuring condition | Standard |
|---|---|---|---|
| 3 (U-ART com.) | - | Cannot be measured | - |
| 4 (+B) ββ Chassis ground | Voltage | Always | 10 - 14 V |
| 7 (GND) ββ Chassis ground | Resistance | Always | Less than 1 Ξ© |
- Model with tire pressure monitoring system
| Terminal No. | Item | Measuring condition | Standard |
|---|---|---|---|
| 4 (IG) ββ Chassis ground | Resistance | IG OFF β ON | 0 V β 10 - 14 V |
| 5 (GND) ββ Chassis ground | Resistance | Always | Less than 1 Ξ© |
| 6 (+B) ββ Chassis ground | Voltage | Always | 10 - 14 V |
| 11 (U-ART com.) | - | Cannot be measured | - |
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.
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