HVAC Control Module Connector End View C1

HVAC Control Module C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110206 24-Way F Micro-Pack 100 Series (LT BLU)
Pin	Wire Color	Circuit No.	Function
A1	DK GRN	1614	Recirculation Door Control
A2	DK BLU	1646	Right Air Temperature Door Position Signal
A3	LT BLU	733	Left Air Temperature Door Position Signal
A4	LT GRN/ BLK	2276	Defrost Door Position Signal
A5	LT GRN	2275	Mode Door Position Signal
A6	-	-	Not Used
A7	BRN/WHT	230	Instrument Panel Lamps Dimming Control
A8	BLK/WHT	751	Ground
A9	GRY/BLK	1596	Coolant Bypass Solenoid Control (Body Type VIN 6)
A10	YEL	2277	Not Used
A11	-	-	Not Used
A12	DK BLU	204	A/C Low Pressure Sensor Signal
B1	WHT/BLK	1236	Right Air Temperature Door Control
B2	DK BLU	1199	Left Air Temperature Door Control
B3	TAN/BLK	2274	Defrost Door Control
B4	TAN	2273	Mode Door Control
B5	BRN	341	Ignition 3 Voltage
B6	YEL	1791	Low Reference
B7	ORN	4340	Battery Positive Voltage
B8	LT BLU/ BLK	1688	5 Volt Reference
B8	-	-	Not Used
B9	BLK	2250	Ground
B11	WHT	1038	Class 2 Serial Data
B12	LT GRN	2278	A/C Compressor Status Signal

HVAC Control Module C1

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110206 24-Way F Micro-Pack 100 Series (LT BLU)
Pin	Wire Color	Circuit No.	Function
A1	DK GRN	1614	Recirculation Door Control
A2	DK BLU	1646	Right Air Temperature Door Position Signal
A3	LT BLU	733	Left Air Temperature Door Position Signal
A4	LT GRN/BLK	2276	Defrost Door Position Signal
A5	LT GRN	2275	Mode Door Position Signal
A6	-	-	Not Used
A7	BRN/WHT	230	Instrument Panel Lamps Dimming Control
A8	BLK/WHT	751	Ground
A9	GRY/BLK	1596	Coolant Bypass Solenoid Control (Body Type VIN 6)
A10	YEL	2277	Auxiliary HVAC Enable Control
A11	DK GRN	71	OFF Blower Motor Control
A12	DK BLU	204	A/C Low Pressure Sensor Signal
B1	WHT/BLK	1236	Right Air Temperature Door Control
B2	DK BLU	1199	Left Air Temperature Door Control
B3	TAN/BLK	2274	Defrost Door Control
B4	TAN	2273	Mode Door Control
B5	BRN	341	Ignition 3 Voltage
B6	YEL	1791	Low Reference
B7	ORN	4340	Battery Positive Voltage
B8	LT BLU/BLK	1688	5 Volt Reference
B9	BLK	2250	Ground
B10	-	-	Not Used
B11	WHT	1038	HVAC Class 2 Serial Data
B12	LT GRN	2278	A/C Compressor Status Signal