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Home >> Pontiac >> 2009 >> G3 Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 177 (Wiring Systems And Power Management - Component Connector End Views - Fuel Injector Through Ignition Module) >> Component Connector End Views >> HVAC Control Module X1 (C68) Connector End View

HVAC Control Module X1 (C68) Connector End View

WARNING: This page is about a different car, the 2011 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: HVAC Control Module X1 (C68) Connector End View
GM2178590Courtesy of GENERAL MOTORS CORP.
HVAC Control Module X1 (C68)

Pin Wire Circuit Function
1 - - Not Used
2 L-GN 817 Vehicle Speed Signal
3 YE/BK 92 Windshield Wiper Motor High Speed
4-5 - - Not Used
6 RD/YE - PTC On
7 - - Not Used
8 WH/BK - Inside Air Temperature Sensor Signal
9 D-GN/YE - Ambient Air Temperature Sensor Signal
10 BK/YE - Intake Sensor Signal
11 YE/D-GN 762 A/C Request Signal
12-14 - - Not Used
15 D-BU - Water Sensor Signal
16 D-GN/RD - Coolant Temperature Sensor Signal
17-18 - - Not Used
19 YE/RD - Sunload Sensor Signal
20 D-BU/WH 735 Outside Ambient Air Temperature Sensor Return
Connector Part Information 
  • OEM: 179057-6
  • Service: N/A
  • Description: 20-Way F, (GY)
Terminal Part Information 
  • Terminated Lead: Service by Terminal Replacement Only
  • Release Tool: J-38125-215
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 7116-4618-02/14
  • Core/Insulation Crimp: P/P
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