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 MANUALSCHEVROLET2016IMPALA LS, 3.6L ENG VIN NREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - K31 X1 TO M7COMPONENT CONNECTOR END VIEWSK33 HVAC CONTROL MODULE X1
2016 Chevrolet Impala LS, 3.6L Eng VIN N
K33 HVAC Control Module X1
2016 Chevrolet Impala LS, 3.6L Eng VIN NSECTION K33 HVAC Control Module X1
Connector Part Information
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Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | 13579943 | J-35616-64B (LT BU) | J-38125-215A | Not Available | Not Available | Not Available | Not Available |
| II | 13579944 | J-35616-64B (LT BU) | J-38125-215A | Not Available | Not Available | Not Available | Not Available |
| III | 13579945 | J-35616-64B (LT BU) | J-38125-215A | Not Available | Not Available | Not Available | Not Available |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | - | - | - | Not Occupied | - | - |
| 2 | 0.35 | GY/L-GN | 7565 | Windscreen Temp Sensor Signal | II | - |
| 3 | - | - | - | Not Occupied | - | - |
| 4 | 0.13 | WH | 734 | Inside Air Temperature Sensor Signal | I | - |
| 5 | 0.35 | YE/D-BU | 3197 | Humidity Temperature Sensor Signal | II | - |
| 6 | 0.35 | YE/RD | 597 | 5 Volt Reference | II | - |
| 7 | 0.35 | BK/D-BU | 7566 | Humidity/Windscreen Temp Sensor Low Reference | II | - |
| 8 - 11 | - | - | - | Not Occupied | - | - |
| 12 | 0.35 | GY/D-BU | 7564 | Humidity Sensor Signal | II | - |
| 13 | - | - | - | Not Occupied | - | - |
| 14 | 0.13 | GY | 590 | Solar Sensor Driver Signal | I | - |
| 15 - 17 | - | - | - | Not Occupied | - | - |
| 18 | 0.75 | BN | 518 | Lower Left Air Temperature Sensor Signal | III | - |
| 19 - 20 | - | - | - | Not Occupied | - | - |
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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.