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 MANUALSCHEVROLET2014EXPRESS 2500 BASE, VAN CARGO, 6.6L ENG VIN LREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - Q1B 2-3 TO X88COMPONENT CONNECTOR END VIEWSQ20 INTAKE AIR FLOW VALVE (LGH)
2014 Chevrolet Express 2500 Base, Van Cargo, 6.6L Eng VIN L
Q20 Intake Air Flow Valve (LGH)
2014 Chevrolet Express 2500 Base, Van Cargo, 6.6L Eng VIN LSECTION Q20 Intake Air Flow Valve (LGH)
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | Pending | Pending | Pending | Pending |
Q20 Intake Air Flow Valve (LGH)
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.75 | BN | 582 | Throttle Actuator Control Close | I | - |
| 2 | 0.75 | YE | 581 | Throttle Actuator Control Open | I | - |
| 3 | 0.5 | TN | 2752 | Low Reference | I | - |
| 4 | - | - | - | Not Occupied | - | - |
| 5 | 0.5 | D-GN | 485 | Throttle Position (TP) Sensor Signal | I | - |
| 6 | 0.5 | GY | 2701 | 5-Volt Reference | I | - |
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.