Error code j_y1.3.2.

[robenever]

Anyone know what this code is ??my bike won't start and I feel like I might need to change the battery but I'm not sure.


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[Fasteddy]

That is the firmware version of the combo insturment not a code, and it appears when the battery voltage drops low enough to reset the microprocessor in the unit usually while cranking with a low battery.

 

[cjwell]

What Eddy said, low voltage, ecu/dash dropping offline under cranking.

 

[RC390 Fan]

I get this sometimes, too. Like when the batt is low after sitting for a while. Does this reset your ECU or is it a bad thing?

 

[Fasteddy]

No, the only 'bad' thing about it is it resets the clock. It is seperate from the ECU and effects just the combo insturment and usually happens at the point when the starter motor hits the compression stroke, thumper locks, and draws max current from the battery. 20 cents worth of componets in the design would keep it from happening....

 

[robenever]

So what could I do to fix it ? I'm taking it to my dealer to get it checked out but if it's something I can do I rather do that.


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[stevieboy]

Battery Tender. I have all my bikes plugged in when I am not riding.

 

[Fasteddy]

So what could I do to fix it ? I'm taking it to my dealer to get it checked out but if it's something I can do I rather do that.


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That depends on how confident you are working with a diode, capacitor and soldering iron. Fuse F2 feeds the combo inst. / ECU via a white wire so my plan is to put a steering diode with a capacitor after the fuse in that line to isolate them from the voltage draw down while cranking.

I run the 4 cell lithium battery whuch meets the same specs as the OEM but is less tolerant of the compression lock.

 

[stevieboy]

Or Battery Tender. Plug it in, you're done.

 

[Fasteddy]

Or Battery Tender. Plug it in, you're done.

As long as it is a decent voltage controlled automatic "battery tender" charger, otherwise your battery is what will be done....

 

[stevieboy]

Battery Tender is a brand name of a smart charger. Used three for years and have never had a problem.

 

[robenever]

Charged the battery completely. No go


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[cjwell]

Charged the battery completely. No go


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Battery is bad then (only a surface charge) or a loose connection at ground etc. I would lean towards battery myself. The battery should be tested properly with a electronic load tester, preferably, not the old style "toaster" resistor style. If you have a meter check static voltage (key off), check key on V, then watch V at time of attempted cranking.