Mazda Miata MX5 NB2 2001-2005 Standalone

microRusEFI should be set for Hall

High-side jumper should be set for +12v

Pin Number	Name	microRusEFI pin	Type ID	Default function
2A	Inj 1	#37	Low-Side	Injector #1
2B	Fan	#34	Low-Side	Radiator Fan Control Relay Output
2C	A/C Fan	#43	x	x
2D	Inj 2	#38	Low-Side	Injector #2
2G	Inj 3	#41	Low-Side	Injector #3
2J	Inj 4	#42	Low-Side	Injector #4
2O	rusEFI WBO		x	x
2M	Fuel Pump	#35	Low-Side	Fuel Pump Relay Output
2R	MIL	#33	Low-Side	Check Engine Light output
2P	IAC Feed		x	x
-	-	-	-	-
3A	GND	#2	Ground	Ground
3B	GND	#6	Ground	Ground
3F	Coil #1	#9	High-Side	Coil #1 control
3I	Coil #2	#11	High-Side	Coil #2 control
3H	Main Relay	#29	Low-Side	Main Relay Control
3K	rusEFI USB PWR		x	x
3L	rusEFI CAN H		x	x
3M	Alternator	#13	High-Side	Alternator Control Output
3N	rusEFI CAN L		x	x
3O	Tach	#14	High-Side	Tachometer Output
3V	Cam	#25	Hall Input	Cam shaft Hall Input
3U	Alt Warn		x	x
3Y	Crank	#45	Hall Input	Crank shaft Hall Input
3Z	rusEFU USB GND		x	x
-	-		-	-
4A	GND		Ground	Ground
4D	VVT Feed		x	x
4K	rusEFI 5v out		5v	External MAP sensor power
4N	IAT	#23	x	x
4O	GND		GND	Sensor Ground
4P	CLT	#18	Temp Input	Coolant Temperature Sensor Input
4S	Key	#5	12V	+12v from Ignition Key
4V	TPS	#26	x	x
4X	MAF not routed		x	x
4AE	EGR Boost Sensor		x	kind of MAP?
4AF	Main Relay Power	#1	12V	+12v from Main Relay

| xx | x | x | x |

x4 AUX low-side drivers

Extra pins for 353830-5 72 pin:

TE 316836-1 for 20 AWG to 22 AWG

TE 316838-1 for 16 - 18 AWG

Note the latch on OEM ECU plugs while installing add-on pins.

Board	stm32 pin
3L	AFR	Analog signal for external wide band oxygen controller
4U	MAP	Manifold absolute pressure analog signal from external sensor
4K	+5v	+5v feed for MAP sensor
3Z	GND	Sensor & USB ground

Connector	microRusEFI

Board	stm32 pin
	PC10
	PC11

Photos

Case compatibility:

Toyota Camry 89661-3T270

Toyota Camry 89661-06691