HVAC Control Module - Auxiliary (CJ4)

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

Fig 1: HVAC Control Module - Auxiliary (CJ4) Connector End View

Courtesy of GENERAL MOTORS CORP.

HVAC Control Module - Auxiliary (CJ4) Connector & Terminal Parts Information

Connector Part Information

OEM: X40383-B523
Service: See Catalog
Description: 10-Way F (BK)

Terminal Part Information

Pins: 1, 4, 5, 6, 8, 10
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

HVAC Control Module - Auxiliary (CJ4) Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	RD/D-GN	1040	Battery Positive Voltage
2-3	-	-	Not Used
4	L-GN	2211	Rear Blower Motor Speed Control
5	OG	761	Blower Speed Feed Back Signal
6	D-GN	5060	Low Speed GMLAN Serial Data
7	-	-	Not Used
8	BK	450	Ground
9	-	-	Not Used
10	GY	1491	Backlight Lamp Control