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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 X1 (CJ2)
2008 Pontiac Grand Prix Base

HVAC Control Module X1 (CJ2)

2008 Pontiac Grand Prix BaseSECTION HVAC Control Module X1 (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 X1 (CJ2) Connector End View
GM744296Courtesy of GENERAL MOTORS CORP.
HVAC Control Module X1 (CJ2)

Pin Wire Circuit Function
A1 0.35 OG 1040 Battery Positive Voltage
A2 0.35 PK 739 Ignition 1 Voltage
A3 0.35 WH 1038 HVAC Class 2 Serial Data
A4 - - Not Used
A5 0.35 GY 8 Instrument Panel Lamp Supply Voltage
A6 0.35 BK 1450 Ground
A7 0.35 D-GN 734 Inside Air Temperature Sensor Signal
A8 0.35 GY 720 Low Reference
B1 0.35 BK 516 Upper Left Air Temperature Sensor Signal
B2 - - Not Used
B3 0.35 TN 517 Upper Right Air Temperature Sensor Signal
B4 0.35 PU 719 Low Reference
B5 0.35 L-BU/BK 590 Driver Sunload Sensor Signal
B6 0.35 GY 1548 Passenger Sunload Sensor Signal
B7 0.35 BN 718 Low Reference
B8 0.35 BK/WH 1551 Ground
Connector Part Information 
  • OEM: 12110259
  • Service: 12110259
  • Description: 16-Way F Micro-Pack 100 Series (GN)
Terminal Part Information 
  • Pins: A1-A3, A5-A8, B1, B3-B8
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)
RENDER: 1.0x

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  • • You are missing required tools, torque specs, or safe lifting equipment.
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