rusefi_documentation/MREAdapter72.md

4.3 KiB

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

SD card wiring

Board stm32 pin
PC10 SD card SPI Clock
PC11 SD card SPI MISO
PC12 SD card SPI MOSI
PB8 SD card SPI Chip Select

Bluetooth/TTL wiring

Board stm32 pin
PC10
PC11

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

Case compatibility:

Toyota Camry 89661-3T270 89661-06691