HVAC Control Module X3

WARNING: This page is about a different car, the 2011 GMC Acadia, 2011 Chevrolet Traverse, and 2011 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Connector End View HVAC Control Module X3

Courtesy of GENERAL MOTORS CORP.

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 Type: HVAC
OEM Connector: 15126710
Service Connector: 15126710
Description: 20-Way F USCAR 64 Series (GY)

Terminal Part Information

Terminated Lead: 13575845
Release Tool: J-38125-215A
Diagnostic Test Probe: J-35616-64B (L-BU)
Terminal/Tray: SAIT-A03T-M064/14
Core/Insulation Crimp: P/P