HVAC Control Module C1

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

Fig 1: HVAC Control Module C1 Connector End Views

Courtesy of GENERAL MOTORS CORP.

HVAC Control Module C1 Connector Parts Information

Connector Part Information

OEM: 1318917-1
Service: See Catalog
Description: 24-Way F (WH)

HVAC Control Module C1 Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	L-BU	292	Rear Defogger Switch Signal
2	L-GN/BK	1647	Recirculation Door Control B
3	PK/WH	1648	Recirculation Door Control A
4	PU	361	Defrost Mode Valve Solenoid Control A
5	PU/WH	3361	Defrost Mode Valve Solenoid Control B
6	L-GN	2210	Air Temperature Door Control - Cold
7	D-BU	1199	Air Temperature Door Control - Hot
8	GY	705	5-Volt Reference
9	WH	193	Rear Defogger Relay Control
10	L-GN	66	A/C Request Signal
11	GY	8	Park Lamp Supply Voltage
12	BK/WH	151	Ground
13	YE	60	Blower Motor Low Control - Redundant
14	L-GN/WH	366	Lower Mode Valve Solenoid Control A
15	L-GN/BK	3366	Lower Mode Valve Solenoid Control B
16	RD	362	Upper Mode Valve Solenoid Control A
17	OG/WH	3362	Upper Mode Valve Solenoid Control B
18	-	-	Not Used
19	L-BU	733	Air Temperature Door Position Signal
20	YE/BK	713	Defrost Mode Valve Position Sensor Signal
21	YE/BK	1814	Lower Mode Door Position Signal
22	RD	708	Mode Door Position Signal
23	BK	407	Low Reference
24	BN	41	Ignition 3 Voltage