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.
2006 Chevrolet Epica LTFACTORY OEM SERVICE PROCEDURE
Computer/Integrating Systems Connector End Views
Data Link Connector (DLC)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1-2 | - | - | Not Used |
| 3 | D-BU/WH | 555 | Serial Data |
| 4 | BK | 1250 | Ground |
| 5 | BK/WH | 251 | Ground |
| 6 | WH/BK | 448 | Serial Data |
| 7 | D-GN | 905 | Serial Data |
| 8 | D-GN/WH | 3905 | Serial Data |
| 9 | YE/BK | 800 | Serial Data |
| 10 | - | - | Not Used |
| 11 | GY | 120 | Fuel Pump Supply Voltage |
| 12 | - | - | Not Used |
| 13 | YE/BK | 2800 | Serial Data |
| 14-15 | - | - | Not Used |
| 16 | OG | 1840 | Battery Positive Voltage |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
