I suspect that this is due to back EMF from the power being cut to the primary circuit of the ignition coils. I can tell the arduino is detecting that this is going low because the Red LED comes on. D2 is going LOW when the switch is wide open. Once I connect the ignition wires to the MOSEFT, I start to experience false detections. This works as expected, the bulb is turned off for a 60ms period. I have connected this circuit to my bike, with a 12v bulb connected between the drain and source of the MOSFET. The Arduino will put everything back to the original state (MOSFET on, RED off, Green on). After a short period of time (60 ms currently). Once the Arduino detects a LOW signal on pin D2 (when the sensor has been activated), the green LED will be turned off, the red LED on pin D8 will be turned on and also a HIGH signal will be sent out of pin D11 to the MOSFET driver, this will turn off the P-Channel MOSFET and cut power to the ignition coils. The sketch on the Arduino is configured to light up a green LED, connected to pin D9. My circuit will connect to this circuit at point C, and also I will cut the wire between points A and B and connect them to my board.
This is not exact, just my interpretation, I cannot change this bit of the circuit anyway.
Here is a diagram of the ignition system of the motorcycle. I have managed to create a circuit on some stripboard which will cut the ignition when a sensor is activated. The engine is mounted into a racing sidecar chassis. I'm a pretty tech savvy guy, and I'd assume if the dash can see the voltage drop on the side stand where you wire it that's all you need?ĭo I need to swap the pins in the ECM input like some XB's? If so.I have been working on building a DIY ignition interrupt module for a 4 stroke motorcycle engine. I am frustrated and cant get EBR tech to elaborate? I know for a fact this exact Dynojet sensor works on a 2014 RX with the IDS ECM. Nor do I understand how that could be possible with their EBR 2 wire switch between a ground and a signal wire? Resting 'open' and grounding when activated is all I can guess? I have repeatedly asked EBRtech and all he has said is it "needs a different signal that just a ground" but won't elaborate further. It doesn't work on a stand, in gear, clutch out, and manually grounding the signal wire to the ECM either. but also sees the voltage drop on the dash diagnostics. I am told has the shifter function enabled as well. I have used a different type of grounding sensor as well (no luck there either) It is a Dynojet 4-104 linear push sensor wired into the factory harness. I can see the dash diagnostics go from 1.3V to 0.0V at the side stand when I activate it, but nothing actually happens when I ride it? I have got as far as having both the stock dash and ECM updated and confirmed the quick shifter function had been "turned on".
It's actually on an 2014 SX, but you guys here in the RX forum are a bit 'racy-er-er'
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