80 lines
2.7 KiB
Markdown
80 lines
2.7 KiB
Markdown
# Frankenso Mazda Miata NA6 PNP
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The [Frankenso](Hardware-Frankenso) board was designed to be used on Mazda Miata NA6 as a plug-and-play solution.
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## Stage 0
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### Everything stock running rusEFI ECU
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All stock sensors, no extra wires, no extra hoses - just lift the carpet and plug rusEFI box instead of OEM ECU.
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Timing, fuel control based on VAF/MAF, programmable check engine light, A/C compressor control. Online tuning using TunerStudio.
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SD card logging, LCD screen and joystick because why not.
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## Stage 1
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Stage 0 + External wide band controller, wide band oxygen sensor, external MAP sensor
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## Stage 2
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Stage 1 + TPS
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## Bench testing options
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On NA6 Spark #1 and Spark #3 would audibly click if you use bench Spark Test button.
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Because of wasted spark wiring Spark #2 and Spark #4 are not expected to click.
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On NA6 Injector #1 and Injector #2 would audibly click if you use bench Injector Test button.
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Because of batch injection wiring Injectors #3 and #4 are not expected to click.
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All you need is a relatively quiet surroundings and you would hear both spark and injectors. Injectors
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are louder, spark is less loud but also totally audible. Both Test buttons are expected to
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produce three clicks a second after you press the button in the software.
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## Wideband O2 sensor wire WBO
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You would really need a wideband sensor. Here is the middle plug pinout to wire an external wideband controller - +12v would feed external controller and analog output signal would provide rusEFI ECU with air/fuel ratio information.
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![middle plug](installations/MazdaMiataNA6_Frankenso_pnp/Frankenso_MazdaMiataNA6_pnp_middle_plug_0_2.png)
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A small flat screw driver and small pliers allow you to move side latches and open the cap.
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Insert supplied extra pin wire (pin on this picture) and close the latches. Done!
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-----------------------------------
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[Frankenso Miata NA6 PNP Technical Details](Frankenso-MazdaMiataNA6-pnp-board-wiring)
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### TPS mod
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Cars with automatic OEM engine harness use a better OEM TPS sensor.
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On vehicles with manual OEM engine harness this TPS mod is recommended.
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original manual wiring:
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3C/3D GND
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1N - Red - ?? switch. ground if IDLE, floating if pressed/depressed
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3L - Light Green / white ?? switch - ground if WOT, floating if not WOT
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GND is middle pin on OEM manual plug unfortunately
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stop light switch:
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ground if not depressed
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floating if pressed / depressed
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-----------------------------------
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Fly back diode:
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NSR0530HT SOD-323 SMD Schottky Barrier Diodes 30V 500mA 0.5A
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![Engine Wiring](OEM-Docs/Mazda/1990_Miata/1990_mazda_miata_us_wiring.png)
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[Mazda_Miata_1990](Mazda-Miata-1990)
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[Mazda_Miata_1994](Mazda-Miata-1994)
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[Frankenso board](Hardware-Frankenso)
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1996+ is too different unfortunately
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[Mazda_Miata_1996](Mazda-Miata-1996)
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