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 5 (COMPUTER/INTEGRATING SYSTEMS)DESCRIPTION AND OPERATIONPOWER MODE DESCRIPTION AND OPERATIONRELAY CONTROLLED POWER MODEIGNITION 1 RELAYNOTES
2006 Buick Terraza CXL, 3.5 L, AWD
Ignition 1 Relay: Notes
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Notes
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.
The relay uses a Hot At All Times B+ power source derived from the underhood electrical center. The ignition 1 relay supplies a power signal to the following circuits when the Run or Crank power mode is selected:
- AC clutch relay
- ABS STG angle sensor
- Antilock brake system (ABS) yaw sensor
- Auxiliary power drop connector
- Crank relay
- Cruse control switch
- Electronic brake control module (EBCM)
- Engine control module (ECM)
- Heating, ventilation, and air conditioning module (HVAC)
- Ignition control module (ICM)
- Instrument panel cluster (IPC)
- Sensing and diagnostic module (SDM)
- Transmission solenoid circuit
RENDER: 1.0x
NO RELATED
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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.