NA6 PNP
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###### 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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## 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 wirint 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. I suggest adding a pin into OEM connector at 3J. This pin is not used in OEM wiring,
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this is between Red/White California-only wire and Lt Green/White Manual-only TPS wire.
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A small flat screw driver and small pliers would 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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On Frankenso board just have a jumper between W48 top and W48 bottom.
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-----------------------------------
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[Frankenso Board Setup](https://rusefi.com/wiki/index.php?title=Manual:Hardware_Frankenso_board#Default_Pinout)
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| # & Color | From | To | Function | |
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|------|------|----|-------|---|
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| #1 White L=75mm | 3E plug / top of W43 | | Crank angle sensor | |
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| #2 Yellow L=75mm | 3G plug / top of W45 | | Crank angle sensor | |
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| #3 White L=160mm | 1E plug / top of W4 | bottom W62 | Check Engine | |
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| #4 Red L=90mm | 2F plug / top of W28 | top of W49 | external MAP +5v power | |
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| #5 Green L=90mm | 2E plug / top of W27 | bottom W47 | external MAP signal | |
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| #6 Black L=60mm | 2N plug / top of W36 | top of W40 | external MAP ground | |
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| #7 Blue L=75mm | 2I plug / top of W31 | W52 | external wide band oxygen sensor signal |
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| #8 Black L=60mm | 2M plug / top of W35 | top of W39 | external wide band oxygen sensor ground |
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| #9 Green L=120mm | 1Q plug / top of W17 | bottom of W46 | | A/C switch input |
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| #10 | 1J plug / | | | A/C relay output |
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| #11 Yellow L=120mm | 1V plug / top of W22 | bottom of W48 | | clutch pedal switch |
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| 30V 0.5A Schottky Diode (for example RSX051VYM30FHTR) | top of ? | bottom of ? | Idle Air Valve fly-back diode | |
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-----------------------------------
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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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[Frankenso analog](https://rusefi.com/wiki/index.php?title=Manual:Hardware_Frankenso_board#Analog_Inputs)
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| Analog | ECU pin |MCU pin | pull-up | pull-down | |
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|------|------|----|-------|---|---|
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| Coolant (stock) | 3Q | PC2 | 2.7K | n/a | |
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| Intake Air (stock) | 3P | PC1 | 2.7K | n/a | |
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| Vane Air Flow (stock) | 3O | PA0 | n/a | 500K | |
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| Narrow Band O2 (stock)| 3N | PC3 | n/a | 500K |
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| Wide band oxygen (from middle plug) | W52 | PC3 | n/a | 500K |
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| TPS ??? A/T harness only! | 3M | | | |
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| Neutral switch | 1V | PA3 | 10K | n/a |
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| A/C switch | 1Q | PA6 | 10K | n/a |
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| MAP (from middle plug) | 2J | PA4 | n/a | 500K |
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| Stop Light Switch green wire | 1O rerouted | | | |
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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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[old wiki Mazda PnP](https://rusefi.com/wiki/index.php?title=Manual:Hardware:Mazda_PnP)
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[old wiki Mazda_Miata_1990](https://rusefi.com/wiki/index.php?title=Vehicle:Mazda_Miata_1990)
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[old wiki Mazda_Miata_1994](https://rusefi.com/wiki/index.php?title=Vehicle:Mazda_Miata_1994)
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[old wiki Frankenso board](https://rusefi.com/wiki/index.php?title=Manual:Hardware_Frankenso_board)
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1996+ is too different unfortunately
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[old wiki Mazda_Miata_1996](https://rusefi.com/wiki/index.php?title=Vehicle:Mazda_Miata_1996)
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