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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 417 (COMPONENT LOCATIONS & COMPONENT CONNECTOR END VIEWS)COMPONENT CONNECTOR END VIEWSHVAC CONTROL MODULE X2 (CJ2)
2008 Pontiac Grand Prix Base

HVAC Control Module X2 (CJ2)

2008 Pontiac Grand Prix BaseSECTION HVAC Control Module X2 (CJ2)
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: HVAC Control Module X2 (CJ2) Connector End View
GM744295Courtesy of GENERAL MOTORS CORP.
HVAC Control Module X2 (CJ2)

Pin Wire Circuit Function
A1 0.35 TN/WH 518 Lower Left Air Temperature Sensor Signal
A2 0.35 YE 61 Low Reference
A3 0.35 TN/BK 520 Lower Right Air Temperature Sensor Signal
A4 0.35 OG/BK 1057 Low Reference
A5-A6 - - Not Used
A7 0.35 GY/BK 754 Blower Motor Speed Control
A8 - - Not Used
B1 0.35 L-GN/BK 1647 Recirculation Door Control A
B2 0.35 PK/WH 1648 Recirculation Door Control B
B3 0.35 YE 1791 Left Air Temperature Door Control A
B4 0.35 D-BU/WH 1199 Left Air Temperature Door Control B
B5 0.35 WH/BK 1236 Right Air Temperature Door Control A
B6 0.35 D-BU 1646 Right Air Temperature Door Control B
B7 0.35 TN 2273 Mode Door Control A
B8 0.35 L-GN 2275 Mode Door Position Signal
Connector Part Information 
  • OEM: 12084944
  • Service: 12084944
  • Description: 16-Way F Micro-Pack 100 Series (BK)
Terminal Part Information 
  • Pins: A1-A4, A7, B1-B8
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
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.