2009 Honda Fit Cranks, No Start, No CMP B Pulse
Sensors, Wiring harness replaced, possibly a Pulse Plate or ECM issue
Could be timing chain tensioner/chain slack as well at issue, the differential diagnosis is broad. ECU was changed, no effect.
UDPATE: 3/25/20
Had a misfire on Cyl 1. Changed Plug, Coil, no change. Changed Fuel Injector. Post-procedure had Crank , No start condition. No spark. Scan revealed a Cam and Crank Sensor issue see video. Changed both sensors. Changed ECU. A lousy fuse was the culprit--apparently Honda did not create a diagnostic circuit or DTC for revealing the short to open. Poor engineering honda. A bad fuse resulted in the live data result you see above. Totally threw me for a loop. Hope this experience might prove helpful to someone. Both HONDA and TOYOTA are notorious for implementing EFI and IGN fuses. As to what caused the fuse to blow--no clue. Perhaps a bad ground? The vehicle was running albeit with a cyl 1 misfire before it was parked and battery was disconn for the procedure. Word to the wise, be careful to connect all hardware and ground wires and check your fuses--they are susceptible to shorts and breaks from routine interventions on these engines. The fuel injector did resolve the misfire, the original issue for which the intervention was necessary.
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