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    merc aclass a1600 y reg 168133 Archived Message

    Posted by paul edge on July 19, 2008, 11:46 am

    car towed in to us,it will not turn over,and start error displayed on dash panel,car will not tow start (customer has tried).car has starter relay but is not recieving the earth sigal from the ecu,all other wires and signals are ok to and from relay,i have disconnected engine ecu and earthed the wire from ecu to starter relay and starter turns over.
    fault codes listed with launch,engine p0600 can bus-002 stored,p0600 can bus-014 diagnosis mode or system invalidation electronic stable program,in esp codes are c1024 engine can to n73 (eis control module) interrupted.in icm b1040 can fault to engine module and in tau b1040 .
    have 60 ohms across the can wires.
    i have just brought a 4 channel scope yesterday,and have plug it on to the can wire and we have can wire low(green) going from just obove 1v to about 6v and we have can high (green and white) doing the same image,not a mirror image with the voltage going 0 to minus 10, i have saved image but do not know how to post it on this site
    any help would be good with this,thanks paul

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