2001_miata_harness_pinout


1		MZ Pin	Mazda Signal	Mazda Color	Method	Details	MS Pin	MS PORT	MS Color	Notes

2	1	2A	Fuel Injector 1	Yellow/Black	GND Fuel Out	P&H Board 1	X19	PA0	White
3	2	2B	Cooling Fan Control	Red/Yellow	GND to Activate	Spare Out 97C (INJ1)	M32,33	V3 Inj 1	Blue (lg)	SPARE OUTPUT
4		2C	Condenser Fan Control	Blue/White	GND to Activate	Fan Ctrl 108C (INJ2)	M34,35	V3 Inj 2	Green (lg)	FAN CONTROL SETTING
5	3	2D	Fuel Injector 2	Violet/Green	GND Fuel Out	P&H Board 4	X13	PA3	White/Pink
6		2E	EGR Valve #1 Coil Control
7		2F	EGR Valve #2 Coil Control
8	4	2G	Fuel Injector 3	Yellow/Red	GND Fuel Out	P&H Board 2	X16	PA1	White/Orange
9		2H	EGR Valve #3 Coil Control
10		2I	EGR Valve #4 Coil Control
11	5	2J	Fuel Injector 4	Yellow/Green	GND Fuel Out	P&H Board 3	X10	PA2	White/Lt Green
12		2K	AC Control	Blue/Black	GND to Activate	A/C Idle Up	M29	JS2	White/Green	anode side of diode. cathode to 2C
13		2M	Fuel Pump Relay	Red/White	GND to Activate	FPUMP	M37	FPUMP	Violet	1 second Primer?
14	6	2N	VTCS Control	Black/White	GND to Activate	RPM<1800 & CLT<60C	X20	Inj H	White/Violet
15		2O	N/C
16		2P	IAC Positive	Orange	12V	B+	M28	12	RED
17		2Q	IAC Negative	Violet/Red	PWM GND	Idle	X9	PP2	Lt Green/Pink
18		2R	MIL (Check Engine Light)	White/Blue	GND to Activate	TBD (D16)	M27	D15	White/Blue	TBD what data I want. "ON" at key on.
19
20	7	3A	Fuel Injector GND	Black	Injector GND	Power GND	Note	GND	Black	M14-M19, X2, X3, X8, X12, X17
21	8	3B	PCM GND	Black/Red	ECU GND	Power GND	Note	GND	Black	M14-M19, X2, X3, X8, X12, X17
22		3C	Purge Control	Green/Yellow	GND to Activate	MAP>48 & MAP<88	M31	JS0	Green/White	Active when vac 99 - 399mmHg (48 - 88kPa) (Off for now)
23		3D	EGR Boost Sensor Sw Control
24		3E	CDCV Control
25	9	3F	Ignition for #1 and #4			Dedicated IGN Wiring
26		3H	N/C
27	10	3I	Ignition for #2 and #3			Dedicated IGN Wiring
28		3J	H2OS Heater Front	Black/Orange	GND	Always GND	Note	GND	Black	This can be grounded always since it relies on B+
29		3K	N/C
30		3L	N/C
31		3M	Generator Field Coil Control	Gray/Red	Closed Loop PWM	Jason C Circuit	M30	Not FIDLE	Green	Wired to custom circuit inside MS3 Case
32		3N	N/C
33		3O	Engine Speed	Green/Orange	Tacho Output	Tacho	X26	PK0	Lt Green/Orange
34		3P	H2OS Heater Rear
35		3Q	K-LINE (serial comm)
36		3S	Immobilizer comm
37	11	3T	Vehicle Speed	Gray/Red	Pulsed Input	VSS	X31	PT4	Violet	PT4
38		3U	Generator Warning Light Control
39	12	3V	SGC (CMP Sensor)	Gray/Blue	Pulsed Input	MAX9926 to MS3X CAM	M25	JS10	Blue/White	JS10
40		3W	N/C
41		3X	N/C
42	13	3Y	NE (CKP Sensor)	Violet/White	Pulsed Input	MAX9926 to TSEL	M24	TSEL	Gray Core	TSEL
43		3Z	N/C
44
45		4A	Device GND	Black/Blue	Output GND	Power GND (and Shield)	Note	GND	Black	M14-M19, X2, X3, X8, X12, X17
46		4B	Brake Switch
47		4C	PSP (Power Steering Pump) Switch	Brown					???	No additional idle load functionality exists.
48	14	4D	Oil Control Valve Positive	Yellow	12V From ECU	B+	M28	12	RED
49		4E	DTM Switching ("TEN")
50		4F	A/C Refrig Pressure Switch	Light Green/Black	GND Activates Input	A/C Idle Up Trigger In	M36	JS11	Brown
51	15	4H	Neutral Switch
52	16	4I	Clutch Switch	White/Green	GND Activates Input	Launch Enable	X11	PK2	Gray/Red
53		4J	VTCS Vacuum Switch
54		4K	N/C
55	17	4L	Vref (TPS, EGR, FTP) +5.0V	Light Green/Red	5V From ECU	Vref	M26	VREF	Light Gray	May want other output pins with 5V
56		4M	Knock Sensor	White	GND Activates Input	Via conditioner Circuit?	X21	AN13	Light Blue	For now: Run raw signal to Spare ADC Input.
57		4N	IAT (Air Temp) Sensor	Pink/Blue	0-5V Input	Stock IAT / Unused?	N/C		N/C	NOT M20... dedicated wire for that.
58	18	4O	Sensor GND	Black/Red	Sensor GND	Sensor GND	Note	SGND	Black	M1, M7, M8, M9 ??
59		4P	ECT (Coolant) Sensor	Red/Blue	0-5V Input	CLT	M21	CLT	Yellow
60	19	4R	Oil Control Valve Negative	Violet/Yellow	Closed Loop PWM	TBD	X27	PP6	Lt Green/Dk Green
61		4S	N/C
62		4T	Generator Output Voltage
63		4U	N/C
64	20	4V	TP (Throttle Position) Sensor	Green/Black	0-5V Input	also requires +5V	M22	TPS	Blue
65		4W	H20S Front	Blue	0-1V Input	Narrowband O2	X22	AN12	Lt Blue/Dk Blue	Has to be RAW signal...
66	21	4X	MAF Sensor
67		4Z	PCM to TCM Comm
68		4AA	H20S Rear
69		4AB	FTP (Fuel Tank Pressure) Sensor
70		4AC	TCM to PCM Comm
71		4AD	Fuel Tank Level
72		4AE	EGR Boost Sensor
73	22	4AF	Power Supply +12V	White/Red	12V From Harness	B+	M28	12	RED
74		4AG	Backup Power +12V Constant
75		4AH	N/C
76