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Hey everyone,

First time posting, I searched through and couldn’t find is issue quite like the one I’m having. Thanks for taking the time to help me out!
Issue- (See Link below for video)
After being parked for 5 months, my battery was dead. I tried to jump it with my car (engine off), after turning the ignition switch on, the fuel pump primed as usual, but my speedo showed 17mph. I pushed the starter, it would turn over but not fire. I turned everything off and disconnected the cables. After putting a new battery(fully charged) in, if the kill switch is set to on I just get a clicking sound from a Relay Assy on the rear of the bike, no fuel pump or starter. I bought a new relay, but still have the same issue. After hitting the starter Er-1 appears on the instrument cluster.

Fault code: Er-1
Diagnostic Code: --
Symptom: No signals are received from the ECU.
Probable cause of malfunction:
Open or short circuit in wiring sub lead.
Malfunction in meter.
Malfunction in ECU.

Now reading this I’m afraid I’ve ruined my ECU, but I have no idea what to do next to figure out this problem. Any help would be greatly appreciated. I took a video of the problem, link is posted below.

 
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