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 MANUALSBUICK2006TERRAZA CXL, 3.5 L, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 7 (LIGHTING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL OUTPUT CONTROLS
2006 Buick Terraza CXL, 3.5 L, AWD
Scan Tool Output Controls
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Scan Tool Output Controls
WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM)
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| Backup Lamps | Light Test | The BCM activates the backup lamp relay when you select ON. The backup lamps illuminate until commanded OFF. |
| LF Turn/DRL Lamp | Light Test | The BCM activates the left front turn signal lamps when you select ON. The turn signal lamps illuminate until commanded OFF. |
| Parking Lamp | Light Test | The BCM activates the park lamp relay when you select ON. The park lamps illuminate until commanded OFF. |
| RF Turn/DRL Lamp | Light Test | The BCM activates the right front turn signal lamps when you select ON. The turn signal lamps illuminate until commanded OFF. |
| Interior Lamps | Light Test | The BCM activates the interior lamps outputs for 5 seconds when you select ON. The dome, footwell, and courtesy lamps illuminate for 5 seconds. |
| Fog Lamps | Light Test | The BCM activates the fog lamps relay when you select ON. the fog lamps illuminate until commanded OFF. |
| High Beam Relay | Light Test | The BCM activates the high beam relay when you select ON. The high beam headlamps illuminate until commanded OFF. |
| Low Beam Relay | Light Test | The BCM activates the low beam relay when you select ON. The low beam headlamps illuminate until commanded OFF. |
| LR Stop/Turn Signal Lamp | Light Test | The BCM activates the left rear stop/turn signal lamp when you select ON. The lamp illuminates until commanded OFF. |
| RR Stop/Turn Signal Lamp | Light Test | The BCM activates the right rear stop/turn signal lamp when you select ON. The lamp illuminates until commanded OFF. |
| Instrumentation Backlight Dimming | Light Test | The BCM commands the IPC to dim the instruments from full dim to full bright. |
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.