HVAC Control Module X3 (CJ2)
Courtesy of GENERAL MOTORS CORP. HVAC Control Module X3 (CJ2)
| Pin |
Wire |
Circuit |
Function |
| 1 |
0.35 TN |
518 |
Lower Left Air Temperature Sensor Signal |
| 2 |
0.35 YE/BK |
713 |
Defrost/Heater Mode Valve Position Sensor Signal |
| 3 |
0.35 PU |
1838 |
Recirculation Door Position Signal |
| 4 |
0.35 GY/BK |
754 |
Blower Motor Speed Control |
| 5-9 |
- |
- |
Not Used |
| 10 |
0.35 GY |
598 |
5-Volt Reference |
| 11 |
0.35 TN |
520 |
Lower Right Air Temperature Sensor Signal |
| 12 |
0.35 L-BU |
733 |
Air Temperature Door Position Signal |
| 13 |
0.35 D-BU |
1646 |
Auxiliary Air Temperature Door Position Signal (C69) |
| 14 |
0.5 D-BU |
204 |
A/C Low Pressure Sensor Signal (HP2) |
| 0.35 WH |
2622 |
Evaporator Temperature Signal (except HP2) |
| 15 |
0.35 TN |
2273 |
Mode Door Control |
| 16 |
0.35 D-BU |
1199 |
Air Temperature Door Control |
| 17 |
0.35 D-GN |
1614 |
Recirculation Door Control |
| 18 |
0.35 WH/BK |
1236 |
Auxiliary Air Temperature Door Control (C69) |
| 19 |
0.5 TN |
914 |
Low Reference (HP2) |
| 20 |
0.35 YE |
1791 |
Low Reference |
Connector Part Information
- Harness Type: Instrument Panel
- OEM Connector: 13782500
- Service Connector: 13578571
- Description: 20-Way F USCAR 0.64 Series (GY)
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Terminal Part Information
- Terminated Lead: 13575550
- Release Tool: J-38125-559
- Diagnostic Test Probe: J-35616-16 (L-GN)
- Terminal/Tray: 15445905/23
- Core/Insulation Crimp: J/J
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