143 lines
9.1 KiB
Markdown
143 lines
9.1 KiB
Markdown
# 2003 Mazda Miata Alt
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In RusEFI console, set engine_type 47 loads base settings.
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## Wiring
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[121 pin Connector](OEM-121-pin-connectors)
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| Pin STM32 | Type | Pin RusEFI | Pin 64 Conn | Pin 72 Conn (NB2) | Desc |
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| --------- | ---------------- | ---------- | ----------- | ----------------- | ------------------------- |
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| | Spare | W1 | 1A | 2P | Idle Pos |
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| | Switched 12V | W2 | 1B | 4AF | Main relay Power |
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| | Spare | W3 | 1C | 4D | VVT POS |
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| | Spare | W4 | 1D | 4S | ECU power |
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| | Spare | W5 | 1E | | Spare |
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| PC9 | High side driver | W6 | 1F | 3F | Ignition 1 |
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| PE14 | High side driver | W7 | 1G | 3I | Ignition 3 |
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| PC7 | High side driver | W8 | 1H | | Spare high |
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| PE10 | High side driver | W9 | 1I | 3M | Alternator |
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| | Spare | W10 | 1J | | Spare |
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| | Spare | W11 | 1K | | Spare |
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| PE8 | High side driver | W12 | 1L | 3O | Tacho/Dizzy |
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| PE12 | High side driver | W13 | 1M | | Spare high |
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| | | W14 | 1N | | Spare |
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| PD8 | High side driver | W15 | 1O | | Spare high |
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| PD9 | High side driver | W16 | 1P | 2R | Check eng |
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| | Spare | W17 | 1Q | | Spare |
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| | Spare | W18 | 1R | | Spare |
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| | Spare | W19 | 1S | | Spare |
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| | Spare | W20 | 1T | | Spare |
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| | Spare | W21 | 1U | | Spare |
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| | Spare | W22 | 1V | | Spare |
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| PA5 | | CRK 2+ | 2A | | |
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| PA5 | Trigger input - | CRK 2- | 2B | 3Y | Crank signal |
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| PC6 | | CAM + | 2C | | |
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| PC6 | Trigger input - | CAM - | 2D | 3V | Cam signal |
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| | Spare | W27 | 2E | | Spare |
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| | Spare | W28 | 2F | | Spare |
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| PB14 | Knock input | W29 | 2G | 4K | Knock |
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| PB15 | Knock input | W30 | 2H | | |
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| | Spare | W31 | 2I | | Spare |
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| | Spare | W32 | 2J | | Spare |
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| PB12 | CAN H /RX | W33 | 2K | | CAN H |
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| PB6 | CAN L /TX | W34 | 2L | | CAN L |
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| PC13 | Low side driver | W35 | 2M | 2Q | Idle solenoid |
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| PD7 | Low side driver | W36 | 2N | 3H | Main relay |
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| PE5 | Low side driver | W37 | 2O | 2B | Fan |
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| PE6 | Low side driver | W38 | 2P | | Battery Warning light |
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| GND | Ground | W39 | 3A | 3A | Injector Ground |
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| GND | Ground | W40 | 3B | | AFR Ground |
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| GND | Ground | W41 | 3C | 3B/4A | Main ground |
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| GND | Sensor ground | W42 | 3D | 4O | Sensor ground |
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| PC5 | Input | W43 | 3E | | Spare input |
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| PC4 | Input | W44 | 3F | | Baro input |
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| PA7 | Input | W45 | 3G | | Spare input |
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| PA6 | Input | W46 | 3H | | Oil pressure sensor input |
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| PA4 | Input | W47 | 3I | WIDEBAND IN | AFR |
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| PA3 | Input | W48 | 3J | 4F | Spare input (AC in) |
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| 5V | 5V Vref | W49 | 3K | 4L | 5V |
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| PA1 | Input | W50 | 3L | 4I | Spare input (clutch) |
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| PA2 | Input | W51 | 3M | 4V | TPS |
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| PC3 | Input | W52 | 3N | | Spare input |
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| PA0 | Input | W53 | 3O | MAP SENSOR IN | MAP |
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| PC1 | Input | W54 | 3P | 4N | IAT |
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| PC2 | Input | W55 | 3Q | 4P | CLT |
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| | Spare | W56 | 3R | | |
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| PE3 | Low side driver | W57 | 3S | 4R | VVT |
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| PE4 | Low side driver | W58 | 3T | 2M | Fuel pump |
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| PD3 | Low side driver | W59 | 3U | 2K | A/C Clutch |
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| PE2 | Low side driver | W60 | 3V | 2D | Inj 2 |
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| PB9 | Low side driver | W61 | 3W | 2A | Inj 1 |
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| PD5 | Low side driver | W62 | 3X | 2C | A/C Fan |
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| PB8 | Low side driver | W63 | 3Y | 2G | Inj 3 |
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| PB7 | Low side driver | W64 | 3Z | 2J | Inj 4 |
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## Necessary Modifications
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**Power**
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ECU gets +12v from main relay output 4AF which is used as +12v source for VVT (4D) and IAC (2P).
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Fly-back diode - stripe facing +12 - is needed between VVT 4D (power, stripe side) and VVT control 4R.
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Fly-back diode - stripe facing +12 - is needed between IAC 2P (power, stripe side) and IAC control 2Q.
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**Vehicle Speed Sensor**
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Vehicle speed sensor (VSS) should be wired internally to P6. P6 is located on the backside of the board near PA8. From there it can be wired to a spare WXX spot on the RusEFI. The NB2 side pin is 3T.
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**Air Conditioning**
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| Desc | RusEFI Pin | NB2 Pin |
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| ---- | ---------- | ------- |
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| IN | 3J | 4F |
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| FAN | 1O | 2C |
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| OUT | 1M | 2K |
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IN represents the switch located in the center console.
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FAN represents the output to the fan relay in the engine compartment.
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OUT represents the output to the A/C Compressor clutch.
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## OE Wiring Diagrams
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Individual pages for printing:
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### Automatic Transmission
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see [Mazda Miata 2001 - Automatic Transmission](Mazda-Miata-2001#Automatic-Transmission)
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### Immobilizer
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NALDEC NC87 67 790 MAZDA MX5 EUNOS MK2 MK2.5 BURGLAR ALARM MODULE NC8767790 is not an immobilizer
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US immobilizer
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### Wiper Motor
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### Charging
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### Air Conditioning
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