Is the '19 electrical system different? - ZX6R Forum
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post #1 of 11 Old 03-16-2019, 02:39 AM Thread Starter
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Is the '19 electrical system different?

There are a couple of threads about codes showing when doing relatively normal mods.... That may indicate a change in design to a component, or software with the newest generation.

It would be a good idea to gather information about this in one spot for future reference.

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post #2 of 11 Old 03-18-2019, 12:16 PM
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Hi I own a 2019 model and I think they are because when I installed my twobros slip on exhaust my check engine light came on. I thought the light would not turn on after talking to another owner of a 2016 zx6r who did a full exhaust system swap.
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post #3 of 11 Old 03-18-2019, 05:23 PM Thread Starter
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I'm guessing Kawasaki may have bought into Canbus communication..... That's a data bus that uses the power system to communicate information on the power lines. A lot of times such systems are sensitive to changes in the power bus..... Particularly when new equipment adds noise to the bus.

You see this quite a bit with aftermarket lighting equipment causing fault codes in car ECU.
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post #4 of 11 Old 03-18-2019, 06:26 PM
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If you just added the slip on I would not expect a light, however if you replaced the valve in the exhaust and did not leave the actuator plugged in that throws a check engine light if my memory is correct. My '13 had a Two Brothers and a mid pipe but the valve actuator was left in place to avoid throwing a code.

Edit: there is also a module you can get to replace the actuator so it doesn't throw a code.
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post #5 of 11 Old 03-18-2019, 07:49 PM
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Quote:
Originally Posted by RJ2112 View Post
I'm guessing Kawasaki may have bought into Canbus communication..... That's a data bus that uses the power system to communicate information on the power lines. A lot of times such systems are sensitive to changes in the power bus..... Particularly when new equipment adds noise to the bus.

You see this quite a bit with aftermarket lighting equipment causing fault codes in car ECU.
My car has the same Canbus system. More complication....no benefit.
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post #6 of 11 Old 03-19-2019, 01:42 AM Thread Starter
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My car has the same Canbus system. More complication....no benefit.
....from our perspective.

Typically, the mfg cost is somewhat reduced, because the number of wires that need to be run point to point is reduced. More complex features require more wiring; if some can be shared.....less labor, less inventory, and end result be damned.

The aftermarket can and will adjust with time.

In the meantime, the anti-tamper aspects of this gain appeal with the regulatory agencies, and safety nannies. If you get codes installing a juice box, or exhaust that's likely music to the ears of the epa, dot, etc.
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post #7 of 11 Old 03-19-2019, 10:30 PM
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I also have a 19’ and some after market parts will throw a light. The wiring is almost the same from 2013-2018. The 19’ or a little different but not by much. Not sure the exact difference but the dealer has told me this. You can get a OBD2 Scanner and a connection for the data port and you can read and clear any code. But the light might come back if you don’t fix it. You can also do an ECU flash, like I did and you can turn the light off. ECUs are a little more complicated but with the right equipment you can do it at home. The 2019 is a fantastic bike.


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post #8 of 11 Old 05-19-2019, 12:10 AM
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It must be. I just did the TST integrated tail light & my CE came on. I’m going to try to install some resistors to see if that solves the issue.
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post #9 of 11 Old 05-19-2019, 08:56 AM
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So it seems like the 2019's have a FI light and a separate Check Engine light. Interesting. I wonder how those work or what triggers which light to come on.
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post #10 of 11 Old 05-23-2019, 12:20 PM
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All alright, so I pulled to the code - took some playing around. So on the 19 zx6r. you have to push both the Menu button & Reset button on the gauges to show the code. Got code 34 - I'm guessing I tested the turn signals before plugging the Servo back in. For now, I'm just going to ride it around with the CE until I buy an exhaust & servo buddy.
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post #11 of 11 Old 05-23-2019, 12:29 PM Thread Starter
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My best guess is that anything you plug into the wiring harness on a '19 can feed back enough noise to confuse the CANBUS.

You can probably reduce the noise by putting equal resistance on both leads to your new component. A resistor in series with each lead will eat part of the voltage that would normally go to the device..... but it will also eat some part of the noise that the device can put back onto the power bus.

Resistors will limit the amount of current that can be provided. LED lighting will not require anywyere near as much power as the incandescent bulb it replaces. You should be able to put quite a bit of resistance in line and still have the LED light. I would guess you could add a kilo Ohm or more and not impact the LED.

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