joeseb farrugia
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Important: the Kline- pin is ONLY available on the BLUE interface. Not on the bike. I only mentioned it just in case you intend to buy one like it and solder on it the 3 wires.
As for the bike connector, the 2 black wires are the ground, the red wire is 12.5V the blue wire is Kline+. If still in doubt it is very easy to find which is which using a multimeter. You should find +12V between the red wire and any of the 2 black wires. The polarity is important and also note that 12V is always available on this connector even with the key switch in the OFF position. The below photos should help.
Re the suggestion that the issue is injector, this is of course possible. Did this technician explain why? I would be interested to hear what he has to say. From my own experience it is more likely that the issue are the coils. I have so far replaced 2.
Good luck
@Cristian,
The attached picture shows the 2 cables I have built. Both work fine and the only reason I build the one on the left is, I got impatient waiting for the delivery of the Blue interface (KKL VAG) which took more than a month to get here from China.
The one on the left was build around a standard rs232usb interface using the circuit supplied from the website I referred too above.
The one on the right is simpler to wire up. The connector has the auto standard 16 pin connector but in reality the circuit inside only has connections to 4 pins. These are;
1. +12V
2. GND
3. K+ data line
4. K- data lineThe Delphi ECU on the Hyosung only uses the first 3. I am not certain if older versions of the bike use different protocols but I am almost sure it is the same.
Connection to the actual pads was made by inserting 3 wires through a small hole I drilled in the connector blue cover. Soldering is fairly easy since the pads on the PCB are fairly large.
The main issue I found was finding the connector to the bike itself since I could not find a suitable 4 pin connector locally. The ones available here are 4 pin but with different dimensions.
I hope this helps. Don’t hesitate to ask if you have further questions.
Regards
Under the tank on the left hand side are 2 connector blocks I’m pretty certain you have a bad connection there, just need a clean them & it should be fine, I had the same issue tried everything then realised that one of those connectors is where the ecu gets the signal from the coil to set the idle control solinode to the right position not had the issue again.
Under the tank, on the left hand side there are 2 connectors one of which is certainly the connector for an O2 sensor (second Photo). A bit further back (first photo)under the front seat there are at least 4 white, “cheap”, connectors one of which seems to be coming from the charging coil area. Are you perhaps referring to the latter group?
