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.
B75C Multifunction Intake Air Sensor (LGX)
2018 Buick Regal BaseSECTION B75C Multifunction Intake Air Sensor (LGX)
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | Not Required | J-35616-64B (LT BU) | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.5 | WH/BU | 6289 | Induction Air Temperature Sensor Signal | I | LGX |
| 2 | 0.35 | WH/RD | 3201 | Throttle Inlet Absolute Pressure Sensor 5V Reference | I | LGX |
| 3 | 0.35 | BK/VT | 2760 | Intake Air Temperature Sensor Low Reference | I | LGX |
| 4 | 0.35 | YE/WH | 3200 | Throttle Inlet Absolute Pressure Sensor Signal | I | LGX |
| 5 | 0.5 | VT/BU | 5294 | Powertrain Main Relay Fused Supply 5 | I | LGX |
| 6 | 0.5 | GN/WH | 492 | Mass Air Flow Sensor Signal | I | LGX |
| 7 | 0.75 | BK/WH | 151 | Signal Ground | I | LGX |
| 8 | 0.5 | BN/GY | 4008 | Humidity Sensor Signal | I | LGX |
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.