|
1. Measure crank-sensor/pick-up coil's impedance to verify sensor is OK.
2. Check pick-up coil spacing to flywheel triggers
3. Inspect crank-sensor waveform.
4. Measure MAP-sensor output key ON, bike not running. What is this voltage?
5. Measure MAP-sensor output voltage when cranking. What is this voltage?
ECU blindly injects fuel & fires spark when cranking to start. Then it looks for proper sensor signals from crank-sensor, MAP-sensor, TPS, etc. . If ANY these is not within spec (mis-adjusted), it turns off engine. Fastest, easiest and simplest way to troubleshoot and fix this is to look at output waveform of crank-sensor with oscilloscope and measure MAP/TPS with voltmeter. This is literally 5-minute fix with oscilloscope & voltmeter!
|