lost comp sat nav and audio

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My feeling is the only common thing that links all these systems is the Data Stream called the I Bus......as attached....
 

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question for datatek..

do you think it's possible the fuse box has taken a dump (as you diagnosed for me with my A/C issue)?

edit to add: no experience with the L322 just trying to correlate how things may transfer over from the last of the P38's to the L322!
I don't think the fuse box is likely to be the problem. I have limited experience, but I do know that corroded connectors in the the kit in the rear can kill a lot of stuff, not sure though if it can affect the message centre so it may be there are 2 separate faults. From memory it also affects the CAN BUS.
 
The I Bus is the not an item....it is the data network all the ICE system talk to eachother and the Diagnotics system on....like a computer Ethernet cable....

There may be nothing wrong with it, just seems odd that it is common to all the system you have not working....

I am trying to read up on it and how it works at the moment!
 
The I Bus is the not an item....it is the data network all the ICE system talk to eachother and the Diagnotics system on....like a computer Ethernet cable....

There may be nothing wrong with it, just seems odd that it is common to all the system you have not working....

I am trying to read up on it and how it works at the moment!

I never found the need to get that technical (I'm lazy) It was obvious that the connectors were the problem.
 
Instrument Pack is driven from the BCU, the CANBus, K Bus, I Bus, M Bus are just data networks...your diagnostic socket may work just fine as that is on the Diagnostic Bus...
 

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right, spent a few hours checking and rechecking all connections in rear quater for corrosion , found no sign of any of missing pins, sprayed em all with contact cleaner.still all dead. however all comms is now showing 1 bus fault on instrument pack which i guess isnt supprising as saint pointed out
 
still no nearer fixing this fault, if i remove each module on l bus and try to clear the fault as i take each one out, will this trace the fault or will the removal of a module result in a fault being recorded because it is disconected, the only fault showing on all coms is on the intrument pack recorded as l bus fault
 
still no nearer fixing this fault, if i remove each module on l bus and try to clear the fault as i take each one out, will this trace the fault or will the removal of a module result in a fault being recorded because it is disconected, the only fault showing on all coms is on the intrument pack recorded as l bus fault
I bus loops in and out as far as I can see so removing a module breaks the circuit at that point.
Look at my DSP thread just posted.
 
so it wouldnt work then? iv seen your pics very nice but i can assure you mine are nothing like those, out of interest what was the recrded fault in your friends case?
 
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