HVAC Control Module X1

WARNING: This page is about a different car, the 2008 Chevrolet Malibu Classic. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: HVAC Control Module X1 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
A1	0.35 RD/WH	440	Battery Supply Voltage
A2	-	-	Not Used
A3	0.35 BN	141	Ignition 3 Voltage
A4	0.35 D-GN/WH	762	A/C Request Signal
A5-A7	-	-	Not Used
A8	0.35 L-BU	292	Rear Defog Switch Signal
A9	-	-	Not Used
A10	0.35 L-GN/BK	1647	Recirculation Door Control B
A11	0.35 TN	2273	Mode Door Control
A12	0.35 D-BU	1199	Temperature Door Control
B1	0.35 BN	9	Park Lamp Supply Voltage
B2	-	-	Not Used
B3	0.35 GY	8	Instrument Panel Lamps Supply Voltage
B4	-	-	Not Used
B5	1 BK/WH	651	Ground
B6-B7	-	-	Not Used
B8	0.35 TN	683	Rear Defog Indicator Supply Voltage
B9	-	-	Not Used
B10	0.35 PK/WH	1648	Recirculation Door Control A
B11	0.35 L-GN	2275	Mode Door Position Signal
B12	0.35 YE	1791	Low Reference

Connector Part Information

OEM: 12110088
Service: 1211008
Description: 24-Way F Micro-Pack 100 Series (GY)

Terminal Part Information

Pins: A1, A3-A4, A8, A10-A12, B1, B3, B8, B10-B12
Terminal/Tray: 12146447/3
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Pins: B5
Terminal/Tray: 12146448/19
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)