HVAC Control Module

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

Fig 1: HVAC Control Module Connector End Views

Courtesy of GENERAL MOTORS CORP.

HVAC Control Module Connector Parts Information

Connector Part Information

OEM: 12110115
Service: 12110115
Description: 32-Way F Packard 100 Series (BU)

Terminal Part Information

Pins: E1, E3, E4, E5, E6, E7, E8, E9, E10, E11, E12, E13, E14, E15, F1, F3, F4, F5, F6, F8, F9, F10, F11, F12, F13, F14, F15
Terminal/Tray: 12146447/3
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

HVAC Control Module Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
E1	RD/WH	340	Battery Positive Voltage
E2	-	-	Not Used
E3	D-BU	1199	Driver Air Temperature Door Control B
E4	WH/BK	1236	Passenger Air Temperature Door Control B
E5	YE	1318	Mode Door Control B
E6	PU	1838	Recirculation Door Control A
E7	BN	247	Blower Motor Relay Control
E8	GY/BK	754	Blower Motor Speed Control
E9	PU	1807	Class 2 Serial Data
E10	PU	1807	Class 2 Serial Data
E11	-	-	Not Used
E12	YE/BK	1814	Lower Mode Door Position Signal
E13	L-GN/BK	735	Ambient Air Temperature Sensor Signal
E14	D-GN	734	Inside Air Temperature Sensor Signal
E15	GY	705	5-Volt Reference
E16	-	-	Not Used
F1	BN	141	Ignition 3 Voltage
F2	-	-	Not Used
F3	YE	1791	Driver Air Temperature Door Control A
F4	GY/BK	2778	Passenger Air Temperature Door Control A
F5	TN	2273	Mode Door Control A
F6	D-GN	1614	Recirculation Door Control B
F7	-	-	Not Used
F8	BK/WH	451	Ground
F9	D-BU	1646	Passenger Air Temperature Door Position
F10	L-BU	733	Driver Air Temperature Door Position Signal
F11	GY	1548	Right Sunload Sensor Signal
F12	L-BU/BK	590	Left Sunload Sensor Signal
F13	WH	278	Ambient Light Sensor Signal
F14	GY	731	Evaporator Temperature Sensor Signal
F15	YE	61	Low Reference
F16	-	-	Not Used