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#1
04-09-2007, 02:53 PM
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I would say you ave a fault in your ibus circuit - carefully check all the RS232 Tx lines.
Sounds like Rx is working fine but Tx is missing You can check you interface is OK as follows: 1. Plug your ibus interface to your PC on your PC desk 2. give the interface 12V and ground, leave ibus wire disconnected 3. Start and run NavCoder, try a scan. If the interface is working correctly, you will get all your Tx messages being listed in the NavCoder display. This is because the Tx msg goes out the com port to the interface, then onto the ibus wire, where it is then detected by the Rx line and sent back to the PC >> Also the circuit only works when the +12v and the I-bus are connected, when the -gnd is connected the NavCoder goes into sleep mode (after 60 secs). Definitely an interface problem! |
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#2
04-09-2007, 03:33 PM
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Thanks for the prompt reply mate,
Quote:
If RX is working why don't I see the ver info from the found modules? Quote:
??? |
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#3
04-10-2007, 06:17 AM
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Quote:
All looks ok and then you say I'm not sure which is the base or collector, anyway look at the link below this should help you. http://www.st-andrews.ac.uk/~jcgl/Sc...lar/page1.html Odia. |
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#4
04-10-2007, 08:24 AM
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Thanks for the reply Odia and thanks for the info page.
I deffo have the transistors in the right way, I was just clutching at straws, I've tried just about everything I can think of. I think that jochen is right, for some reason the the transmit circuit is not working, why I don't know, it's all soldered up OK. Does the GND connector have to be the one from the cd interface? (the cd 3 pin plug), I have it connected to the car body. Also when I connect the circuit up to the laptop and add 12v and GND to the circuit the navcoder software seems to freeze untill I unplug the i-bus circuit, then its back to normal. I'm back at work tomorrow so I might see if i can get one of our lab techs to check the circuit over... Thanks again John |
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#5
04-10-2007, 03:29 PM
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Quote:
Quote:
Quote:
Odia. |
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#6
04-12-2007, 09:42 PM
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Used the Navcoder today to unlock the TV in Motion. Works like a charm. Thanks KiwiJochen for a great program.
__________________
99 328i Black 01 X5 4.4 Titanium Silver 03 Z4 3.0 Titanium Silver (retired) 05 Z4 3.0 Sterling Gray Metallic |
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#7
04-16-2007, 04:38 AM
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Used NavCoder today, but some error messages. Can someone help me, please.
When I tried to scan Audio/nav system, it gave me an error shown in the following pic.  When I tried to code the nav, it gave me either one of following two pics   Was there something I did wrong? TIA Last edited by lph65724; 04-16-2007 at 04:56 AM. |
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#8
04-16-2007, 02:02 PM
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I had the same problem at first. Try switching com ports, that fixed it for me. I had to switch mine to com port 9. Good luck and I hope that helps.
__________________
99 328i Black 01 X5 4.4 Titanium Silver 03 Z4 3.0 Titanium Silver (retired) 05 Z4 3.0 Sterling Gray Metallic |
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#9
04-16-2007, 04:30 PM
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Quote:
Zracat, thank you for trying to help me, but it didn't work. There is only one USB port on my laptop, so when I switched to other com ports, the NavCoder couldn't even read anything from my car. Last edited by lph65724; 04-16-2007 at 07:26 PM. |
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