HVAC Control Module X3

WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: HVAC Control Module X3 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1-2	-	-	Not Used
3	0.35 PU	1838	Recirculation Door Position Signal
4	0.35 YE	1318	Mode Door Control
5	0.35 GY/BK	2778	Right Air Temperature Door Control A
6	0.35 YE	1791	Low Reference
7	0.35 L-GN/WH	5729	Rear Mode Door Control A
8	0.35 L-BU	5517	Low Reference
9	-	-	Not Used
10	0.35 YE	6817	LED Backlight Dimming Control
11	-	-	Not Used
12	0.35 L-GN	1614	Recirculation Door Control
13	0.35 TN	2273	Mode Door Control
14	0.35 WH/BK	1236	Auxiliary Air Temperature Door Control
15	0.35 D-BU	1199	Air Temperature Door Control
16	0.35 L-GN/BK	5730	Rear Mode Motor Low Reference
17	0.35 BN	5516	Inside Air Temperature Sensor Assembly Control
18	-	-	Not Used

Connector Part Information

OEM: 7283-4548-60
Service: 89047361
Description: 18-Way F (GN)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit