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 292 (DATA COMMUNICATION SYSTEM)DESCRIPTION AND OPERATIONBODY CONTROL SYSTEM DESCRIPTION AND OPERATIONBODY CONTROL
2006 Buick Terraza CXL, 3.5 L, AWD
Body Control
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Body Control
WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
The various body control module (BCM) input and output circuits are described in the corresponding functional areas indicated on the BCM electrical schematics. The BCM related systems include, but are not limited to the following:
- Chimes-Refer to Audible Warnings Description and Operation .
- Exterior lighting-Refer to Exterior Lighting Systems Description and Operation .
- Instrument cluster indicator control-Refer to Instrument Cluster Description and Operation .
- Interior lighting-Refer to Interior Lighting Systems Description and Operation .
- Power Windows-Refer to Power Windows Description and Operation .
- Remote function control-Refer to Keyless Entry System Description and Operation .
- Remote Start-Refer to Keyless Entry System Description and Operation .
- Retained accessory power (RAP)-Refer to Retained Accessory Power (RAP) Description and Operation .
- Seat belt use sensing-Refer to Seat Belt System Description and Operation .
- Theft deterrent-Refer to Immobilizer Description and Operation and Content Theft Deterrent (CTD) Description and Operation .
- Wiper/Washer System functions-Refer to Wiper/Washer System Description and Operation .
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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.