HVAC Control Module X3

WARNING: This page is about a different car, the 2010 Saturn Outlook, 2010 GMC Acadia, 2010 Chevrolet Traverse, and 2010 Buick Enclave. 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.

HVAC Control Module X3 Connector Pin Identification

Pin	Wire	Circuit	Function
1	0.35 TN	518	Lower Left Air Temperature Sensor Signal (CJ2)
2	0.35 L-GN	2275	Mode Door Position Signal
3	0.35 PU	1838	Recirculation Door Position Signal
4	0.35 GY/BK	754	Blower Motor Speed Control
5	0.35 TN	2273	Mode Door Control
6	0.35 D-BU	1199	Air Temperature Door Control (CJ2)
7	0.35 D-GN	1614	Recirculation Door Control B
8	0.35 WH/BK	1236	Auxiliary Air Temperature Door Control
9	-	-	Not Used
10	0.35 GY	598	5-Volt Reference
11	0.35 TN	520	Lower Right Air Temperature Sensor Signal (CJ2)
12	0.35 L-BU	733	Air Temperature Door Position Signal (CJ2)
13	0.35 D-BU	1646	Auxiliary Air Temperature Door Position Signal
14	0.35 WH	2622	Evaporator Temperature Sensor Signal
15	0.35 WH	119	Mode Door Control
16	0.35 L-GN	2210	Air Temperature Door Control (CJ2)
17	0.35 TN/BK	2274	Recirculation Door Control A
18	0.35 GY/BK	2778	Right Air Temperature Door Control A
19	0.35 TN	552	Low Reference
20	0.35 YE	1791	Low Reference

Connector Part Information

Harness: HVAC
OEM: 15126710
Service: 15126710
Description: 20-Way F (GY)

Terminal Part Information

Terminal/Tray: SAIT-A03T-M064/14
Core/Insulation Crimp: P/P
Release Tool/Test Probe: J-38125-215A/J35616-64B (L-BU)