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.
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HOMESERVICE MANUALSSATURN2009ASTRA XR, 4D HATCHBACK, AUTOMATICREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - ELECTRICAL CENTER VIEWS & COMPONENT AND HARNESS CONNECTOR END VIEWSCOMPONENT CONNECTOR END VIEWSELECTRONIC BRAKE CONTROL MODULE (EBCM)
2009 Saturn Astra XR, 4D Hatchback, Automatic
Electronic Brake Control Module (EBCM)
2009 Saturn Astra XR, 4D Hatchback, AutomaticSECTION Electronic Brake Control Module (EBCM)
Electronic Brake Control Module (EBCM)
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1 | 4 RD | 3240 | Battery Positive Voltage |
| 2 | 0.5 BN/BU | 885 | Low Reference |
| 3 | 0.5 BU | 884 | Wheel Speed Sensor Signal - Left Rear |
| 4 | 0.5 GN/BK | 1338 | Yaw Rate Sensor Signal 2 |
| 5 | 0.5 BU/RD | 872 | Wheel Speed Sensor Signal - Right Front |
| 6 | 0.5 BN/RD | 833 | Low Reference |
| 7 | - | - | Not Used |
| 8 | 0.5 BN/WH | 873 | Low Reference |
| 9 | 0.5 BU/WH | 830 | Wheel Speed Sensor Signal - Left Front |
| 10 | 0.5 GY/BK | 1337 | Yaw Rate Sensor Volt Reference |
| 11 | 0.5 BU/RD | 882 | Wheel Speed Sensor Signal - Right Rear |
| 12 | 0.5 BN/RD | 883 | Low Reference |
| 13 | 4 BN | 1450 | Ground |
| 14 | 4 RD | 3340 | Battery Positive Voltage |
| 15-16 | - | - | Not Used |
| 17 | 0.5 BU/BN | 1903 | AAS Wheel Speed Sensor Signal - Left Front |
| 18 | - | - | Not Used |
| 19 | 0.5 GN | 2500 | High Speed GMLAN Serial Data (+) |
| 20 | 0.75 BK | 3 | Run/Crank Ignition 1 Voltage |
| 21 | 0.5 WH | 2501 | High Speed GMLAN Serial Data (-) |
| 22 | 0.5 BN/GY | 17 | Stop Lamp Switch Signal |
| 23 | 0.5 GN | 2500 | High Speed GMLAN Serial Data (+) |
| 24 | 0.5 RD | 1202 | Battery Positive Voltage |
| 25 | 0.5 WH | 2501 | High Speed GMLAN Serial Data (-) |
| 26 | 4 BN | 1450 | Ground |
Connector Part Information
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Terminal Part Information
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RENDER: 1.0x
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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.