Check engine light...

Bike mechanical/electrical modifications and general wrenching advice.
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danham
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Re: Check engine light...

Post by danham » Mon Apr 15, 2019 11:48 am


Bad ground or defective battery. Saw on FB that dash shows 14v, but if it’s a bad battery the voltage may drop to near zero when you hit the starter. As long as the weather sucks (here too), take the battery down to the dealer for a load test.

-dan
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Jkwan0902
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Re: Check engine light...

Post by Jkwan0902 » Mon Apr 15, 2019 9:35 pm


Electronics issue was most likely due to battery nuts not tightened all the way... tightened every up and started up just fine. Checked the CEL and came back with a 63 code. Which is the butterfly valve actuator. It’s causing it to stick wide open. What’s everybody’s thoughts??
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Re: Check engine light...

Post by cOoTeR » Mon Apr 15, 2019 9:58 pm


There was a throttle position relearn procedure for when the ECU is reinstalled. I can't remember exactly what it was but I think it was turn the key to the on position but don't start the bike, for 30 seconds (I'm probably wrong on the time), turn the key off 30 sec(?), turn key on 30 sec then start the bike.

Maybe having the battery partially connected was the same as pulling the ECU. Maybe pull the battery and try the reset procedure.

Is the bike running ok? If so it could be an old code that just needs cleared. Maybe try the drive cycle reset.
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Re: Check engine light...

Post by Thunderdawg » Mon Apr 15, 2019 11:06 pm


This is the procedure I got from David for after an ECU flash:

"It’s easy just start it let it idle for 10 seconds shut it off and repeat that 3 times. "
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Re: Check engine light...

Post by Jkwan0902 » Mon Apr 15, 2019 11:23 pm


cOoTeR wrote:
Mon Apr 15, 2019 9:58 pm
There was a throttle position relearn procedure for when the ECU is reinstalled. I can't remember exactly what it was but I think it was turn the key to the on position but don't start the bike, for 30 seconds (I'm probably wrong on the time), turn the key off 30 sec(?), turn key on 30 sec then start the bike.

Maybe having the battery partially connected was the same as pulling the ECU. Maybe pull the battery and try the reset procedure.

Is the bike running ok? If so it could be an old code that just needs cleared. Maybe try the drive cycle reset.
Yes the bike seems to be running okay at idle, didn’t get a chance to ride it as I had to leave for class. I will try the drive cycle reset tomorrow since I won’t be getting out til late. Should I pull the battery and then reconnect and and then try your method cooter??
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Re: Check engine light...

Post by Jkwan0902 » Mon Apr 15, 2019 11:23 pm


Thunderdawg wrote:
Mon Apr 15, 2019 11:06 pm
This is the procedure I got from David for after an ECU flash:

"It’s easy just start it let it idle for 10 seconds shut it off and repeat that 3 times. "
I’ll try that tomorrow. Is there anything else I should try??
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Re: Check engine light...

Post by Champ87 » Mon Apr 15, 2019 11:36 pm


Jkwan0902 wrote:
Mon Apr 15, 2019 11:23 pm
Thunderdawg wrote:
Mon Apr 15, 2019 11:06 pm
This is the procedure I got from David for after an ECU flash:

"It’s easy just start it let it idle for 10 seconds shut it off and repeat that 3 times. "
I’ll try that tomorrow. Is there anything else I should try??
Yes, according to the manual the engine temp should be above 40°C. Here's what it says:

"When erasing the stored service code memory, the accelerator position and throttle position initial data of the throttle body are erased. Therefore, you must register the initial data to the ECU. Wait the 10 seconds at the idle speed and the coolant temperature 40°C (104°F) or more to register the initial data of the sensor position to the ECU."

Don't touch the throttle!
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Jkwan0902
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Re: Check engine light...

Post by Jkwan0902 » Tue Apr 16, 2019 12:01 am


Champ87 wrote:
Mon Apr 15, 2019 11:36 pm
Jkwan0902 wrote:
Mon Apr 15, 2019 11:23 pm
Thunderdawg wrote:
Mon Apr 15, 2019 11:06 pm
This is the procedure I got from David for after an ECU flash:

"It’s easy just start it let it idle for 10 seconds shut it off and repeat that 3 times. "
I’ll try that tomorrow. Is there anything else I should try??
Yes, according to the manual the engine temp should be above 40°C. Here's what it says:

"When erasing the stored service code memory, the accelerator position and throttle position initial data of the throttle body are erased. Therefore, you must register the initial data to the ECU. Wait the 10 seconds at the idle speed and the coolant temperature 40°C (104°F) or more to register the initial data of the sensor position to the ECU."

Don't touch the throttle!

Roger that. So lemme get this straight... disconnect and then reconnect battery. Start bike, let run for 10 seconds shut off bike and repeat 2 more times??
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Re: Check engine light...

Post by Thunderdawg » Tue Apr 16, 2019 1:08 am


I did a total of 4 times.
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Re: Check engine light...

Post by cOoTeR » Tue Apr 16, 2019 2:39 am


Champ87 wrote:
Mon Apr 15, 2019 11:36 pm
Jkwan0902 wrote:
Mon Apr 15, 2019 11:23 pm
Thunderdawg wrote:
Mon Apr 15, 2019 11:06 pm
This is the procedure I got from David for after an ECU flash:

"It’s easy just start it let it idle for 10 seconds shut it off and repeat that 3 times. "
I’ll try that tomorrow. Is there anything else I should try??
Yes, according to the manual the engine temp should be above 40°C. Here's what it says:

"When erasing the stored service code memory, the accelerator position and throttle position initial data of the throttle body are erased. Therefore, you must register the initial data to the ECU. Wait the 10 seconds at the idle speed and the coolant temperature 40°C (104°F) or more to register the initial data of the sensor position to the ECU."

Don't touch the throttle!

If the issue is that the throttle position is off to start with wouldn't it be best to perform the service code reset then this procedure 2nd?
1 x

Stock with airfilter 164whp 84ft.lbs
De-restricted + tuned 213whp 97ft.lbs
Full vandemon exhaust with tune 221whp 99ft.lbs
On Race Fuel 233whp 103ft.lbs

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