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XC90 '02'15 General Forum for the P2-platform XC90 model |
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Radio possible icm issues please help!Views : 1830 Replies : 17Users Viewing This Thread : |
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Jun 3rd, 2018, 18:01 | #1 |
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Last Online: Jun 17th, 2019 08:58
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Radio possible icm issues please help!
I just wondered if anyone could help, we have a issue with our Volvo XC90 53 the radio cd phone sat nav and parking sensors have all stopped working. We bought the loop to icolate each function to look for the red light, we looped out everything one by one and still nothing. We also noticed when looping out the red optical light is very temperamental and flashes on and off also my Dad seems to think that we looped out the icm and there was still a red light showing on the phone connector is this right ? Does the icm sound dead or could it be something else? Thank you in advance
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Jun 3rd, 2018, 20:37 | #2 |
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Hi, I recommend you call Lucas http://volvodiagnostic.com/. Great service and life time warranty repair. He fixed mine 100%
Hope this helps |
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Jun 3rd, 2018, 20:45 | #3 |
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Ok Ill look into that many thanks.
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Jun 3rd, 2018, 22:08 | #4 |
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Last Online: Sep 15th, 2018 21:36
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Yes I second contacting VolvoDiagnostic as he is very knowledgeable and has a very good reputation for repairing/refurbishing various components including ICM's.
Difficult call to give a definitive answer on your issue, but seeing as the ICM is the central point for the 'infotainment' goodies in the car (Sat Nav/ phone/Radio+CD changer) , then if the lots gone down then personally I'd start with the ICM and work from there. I'm guessing you havnt got one of these,so apologies if I've guessed wrongly. Hooking up your car to VIDA ( the Volvo diagnostic system) would be a good thing to do, as it would show any fault codes generated by your entertainment system throwing its hand in, and is invaluable/pretty much a necessity in fault finding. Many people on here including myself have, err, 'secondary market' versions of it which can be bought from various places on the net and can work off a laptop and some Windows tablets. If you were local I'd happily help out; maybe there is someone else nearby who may be able to assist. 2 other things off the top of my head; if you're tinkering around checking/testing parts (sounds like you have due to commenting on the fibre optic cables), then if you pull the plug out of the bottom part of the unit where all the climate control/ 12v socket is and the battery is connected, you'll end up with an airbag fault message on your dashboard, and will need a VIDA to erase the error. The other thing is that (speaking from experience here), if your ICM is at fault, it could start sending bad data packets ( or something like that) around your CAN network which interconnects the major components in the car, and this can cause shenanigans with the system elsewhere as it basically has a brain fart. Many components in the car are connected to the CAN network by a green and white wire. To isolate the ICM system from the CAN network, but keep the CAN network working as a continuous loop, you just need to bridge the wires at the connector which connects into the back of the ICM. The ICM has 2 green connectors that plug in to the top part of the unit, one of them has 2 green wires side by side, and 2 white wires side by side. You just need to bridge the 2 green wires, and then bridge the 2 white wires. I used small lengths of 12v electrical wire for cars, small 3 inch lengths, and poked one end of the wire in where a green wire goes into the connector from the back (push down the wire and theres enough gap to get in), and poked the other end into the other green wire. Do the same for the pair of white wires. I then used a bit of electrical tape to keep them secure. Obviously dont connect the plug back into the ICM. In fact with mine, I disconnected everything ( 2 top green plugs and 2 fibre optic plugs) bar the bottom plug where the climate control is and the 12v supply socket. That wont fix your ICM but it will allow you to drive the car without whatever's causing your issue to potentially cause problems elsewhere. |
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Jun 4th, 2018, 14:04 | #5 |
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Ts72- Thank you so much for taking the time to post such a great reply. I have passed all this information on to my Dad who is looking into it all for us. Its really useful- you are right re the airbag light...just looking for someone or to purchase the VIDA diognostic now 🤦🏻*♀️
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Jun 8th, 2018, 19:41 | #6 |
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I have contacted Lucas (Volvo Diagnostics) many times & not got a response so good luck with that.
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