Terminal And Reference Values For Front Air Control

Terminal No.	Wire color	Item	Ignition switch	Condition		Voltage (V) (Approx.)
1	W	Power supply for BAT	-	-		12
2	BR	Power supply for IGN		-		12
3	B	Ground	-	-		0
18	P	A/C LAN signal (with A/C)		-		5.5
19	Y	A/C PD Cut (with A/C)		-		5
20	GR	Sensor ground		-		0
21	Y	Power supply for IGN		-		12
22	O	Power supply for mode door motor, intake door motor, and air mix door motor		-		12
23	R	Light (+)		Lighting switch	OFF	0
					1st position	12
24	V	Light (-)		-		0
36	R	Blower motor feed back		Fan speed	Low	7 - 10
37	L	Fan control AMP. control signal			Any speed except high	2.5 - 3
					High	9- 10
38	LG	Rear defrost ON signal		Defroster switch	ON	0
					OFF	5
39	SB	Fan ON signal		Fan	ON	0
					OFF	5
40	G	Compressor ON signal (with A/C)		Compressor	ON	0
					OFF	5