HVAC Control Module C1

WARNING: This page is about a different car, the 2007 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: HVAC Control Module C1 Connector End View

Courtesy of GENERAL MOTORS CORP.

HVAC Control Module C1 Connector Part Information

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)

HVAC Control Module C1 Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
A1	RD/WH	440	Battery Supply Voltage
A2	-	-	Not Used
A3	BN	141	Ignition 3 Voltage
A4	D-GN/WH	762	A/C Request Signal
A5-A7	-	-	Not Used
A8	L-BU	292	Rear Defog Switch Signal
A9	-	-	Not Used
A10	L-GN/BK	1647	Recirculation Door Control B
A11	TN	2273	Mode Door Control
A12	D-BU	1199	Temperature Door Control
B1	BN	9	Park Lamp Supply Voltage
B2	-	-	Not Used
B3	GY	8	Instrument Panel Lamps Supply Voltage
B4	-	-	Not Used
B5	BK/WH	651	Ground
B6-B7	-	-	Not Used
B8	TN	683	Rear Defog Indicator Supply Voltage
B9	-	-	Not Used
B10	PK/WH	1648	Recirculation Door Control A
B11	L-GN	2275	Mode Door Position Signal
B12	YE	1791	Low Reference