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 285 (ENGINE CONTROLS AND FUEL - 3.9L - INTRODUCTION (2 OF 2))COMPONENT LOCATORENGINE CONTROLS CONNECTORSMASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR
2006 Buick Terraza CXL, 3.5 L, AWD
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
WARNING: This page is about a different car, the 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Connector Parts Information
Connector Part Information
|
Terminal Part Information
|
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Connector Terminal Identification
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| A | YE | 492 | MAF Sensor Signal |
| B | PK/BK | 5294 | Ignition 1 Voltage |
| C | BK/WH | 451 | Ground |
| D | TN | 472 | IAT Sensor Signal (Early Production) |
| TN/BK | 472 | IAT Sensor Signal (Late Production) | |
| E | TN | 2760 | Low Reference |
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.