Renault Laguna II - Phase 1 - Wheels and Tyres - Tyre Pressure Sensors - Member experiences and solution - Page 8 - Renault Forums :: Independent Renault forum

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post #36 of 560 (permalink) Old 22nd September 2005
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It's about time we got the T-Shirts printed on this one.

The last time I had this happen, the tyre place reckoned all I needed to do was go to Renault and buy the valve, which they'd fit for me free of charge. They told me they'd done it before and that it had worked. I mentioned this to the guy at the Renault parts counter when I bought the valve, and he reckoned they were wrong and that the car needed reprogramming. I was inclined to believe him, but there was only one way to find out for certain...

So I stuck with the original plan and had the tyre fitters just replace the valve. Knowing that the system can sometimes take a while to sort itself out after a change, I wasn't too upset at first to see that the wheel was still 'missing' but 80 miles and 24 hours later it was still showing up faulty. In the end, I booked it into the dealer and had the system reprogrammed.

I'm not sure how the reprogramming is done, but the problem is that the sensors are all the same (you don't get to buy an 'offside front' one, just a 'sensor'.) The system must be programmed to match the code from each sensor with the appropriate wheel, otherwise it'll report tyre faults in the wrong places. I suppose there's also the consideration that it mustn't accept readings from another Laguna that happens to be next to you, but you'd think they could program the system so that if one valve appears 'dead', and it continuously sees a signal from a 'foreign' valve, it could come to the conclusion that the new valve has replaced the old one. But that wouldn't generate nearly so much service revenue, would it?

By the way: If you haven't done so already, remove all metal dust caps immediately. Replace them with plastic ones as soon as you can get some, but for now, it's best to have no valve caps than have metal ones that are corroding onto the valves.
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Old 23rd September 2005
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post #37 of 560 (permalink) Old 26th September 2005
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OK so now I opened my big mouth and I am a moderator so I merged the three posts on this subject. To give some answers
post #38 of 560 (permalink) Old 26th September 2005
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New valve/sensor DO NOT need calibrating. once fitted to the vehicle the only other job is to enter its code into the system.
Thats done by plugging in CLIP (diag machine/ computer) go to tyres, comand mode and press the button to excite the valve to give a reading.
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post #39 of 560 (permalink) Old 26th September 2005
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So we just need [glossary=OBD]OBD[/glossary] II Software, laptop and cable to plug into the clip under the ashtray then ?

Do you know where this kit can be obtained at a reasonable price ? If you have any links let us know..

Last edited by selwonk; 17th October 2005 at 08:17 PM. Reason: Edited so OBD appeared as a link to the glossary...
post #40 of 560 (permalink) Old 26th September 2005
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I'll be watching this one with interest!

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