3.9 KiB

Raw Blame History

Mazda Miata MX5 NB2 2001-2005 Standalone

microRusEFI should be set for Hall

High-side jumper should be set for +12v

https://rusefi.com/forum/viewtopic.php?t=1677

https://rusefi.com/wiki/index.php?title=Vehicle:Mazda_Miata_2003

https://github.com/rusefi/rusefi/wiki/Hardware/pnp_microRusEfi_nb2/hw72nb.pdf

Pin Number	Name	Type ID	Default function
2A	Inj 1	Low-Side	Injector #1
2B	Fan	Low-Side	Radiator Fan Control Relay Output
2C	A/C Fan	x	x
2D	Inj 2	Low-Side	Injector #2
2G	Inj 3	Low-Side	Injector #3
2J	Inj 4	Low-Side	Injector #4
2O	rusEFI WBO	x	x
2M	Fuel Pump	Low-Side	Fuel Pump Relay Output
2R	MIL	Low-Side	Check Engine Light output
2P	IAC Feed	x	x
-	-	-	-
3A	GND	Ground	Ground
3B	GND	Ground	Ground
3F	Coil #1	High-Side	Coil #1 control
3I	Coil #2	High-Side	Coil #2 control
3H	Main Relay	Low-Side	Main Relay Control
3K	rusEFI USB PWR	x	x
3L	rusEFI CAN H	x	x
3M	Alternator	High-Side	Alternator Control Output
3N	rusEFI CAN L	x	x
3O	Tach	High-Side	Tachometer Output
3V	Cam	Hall Input	Cam shaft Hall Input
3U	Alt Warn	x	x
3Y	Crank	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	x	x
4O	GND	GND	Sensor Ground
4P	CLT	Temp Input	Coolant Temperature Sensor Input
4S	Key	12V	+12v from Ignition Key
4V	TPS	x	x
4X	MAF not routed	x	x
4AE	EGR Boost Sensor	x	kind of MAP?
4AF	Main Relay Power	12V	+12v from Main Relay

| xx | x | x | x |

x4 AUX low-side drivers

Extra pins:

TE 316836-1 for 20 AWG to 22 AWG

TE 316838-1 for 16 - 18 AWG

MREAdapter72 InteractiveBOM

Photos

https://github.com/rusefi/rusefi/wiki/Hardware/pnp_microRusEfi_nb2/MREAdapter72_0_2_front.jpg https://github.com/rusefi/rusefi/wiki/Hardware/pnp_microRusEfi_nb2/MREAdapter72_0_2_back.jpg

https://youtu.be/6IZcHCQl8yo