07-14-2016, 11:00 PM
Hmm. it seems that a 1991 Turbo Sprint does not have ODB1 or even a 12 pin ALDL connector, only the CEL and a Diagnostic fuse socket.
This must have been one of the reasons these cars were never sold in the USA, as Canadian ODB standards may have been less stringent.
It looks like the wiring harness will need to be re-verified wire by wire. Later on, I may get an inexpensive handheld oscilloscope as it seems to be a small investment to improve our understanding of electrical faults for cars of this era.
see all those bits. good bad or ugly
it does have a connector, with 1 pin, that pin is just a bidirectional serial data pin, near TTL232 in operation.
the tech1 one needs and adapter to fit yours and get access to 2 pin ,ground and SD, SD is serial data, same as the ASDL (assembly line, data links have)
make sure any scope has 10:1 probe, and scope inputs are not 5v, but 60 or more, of the scope blows up.
the only one that seems to work now is this, the $100 price point
http://www.ebay.com/sch/i.html?_from=R40...r&_sacat=0
http://www.jeepdied.com/electrics.html#DSO
later Ill try to read your FSM book, all those TIF files.
and find the ECU pages that shows all pins , all names on one page.
many of the pages are over simplified, just basics, we need real schematics, to work problems like this.
back later....
This must have been one of the reasons these cars were never sold in the USA, as Canadian ODB standards may have been less stringent.
It looks like the wiring harness will need to be re-verified wire by wire. Later on, I may get an inexpensive handheld oscilloscope as it seems to be a small investment to improve our understanding of electrical faults for cars of this era.
see all those bits. good bad or ugly
it does have a connector, with 1 pin, that pin is just a bidirectional serial data pin, near TTL232 in operation.
the tech1 one needs and adapter to fit yours and get access to 2 pin ,ground and SD, SD is serial data, same as the ASDL (assembly line, data links have)
make sure any scope has 10:1 probe, and scope inputs are not 5v, but 60 or more, of the scope blows up.
the only one that seems to work now is this, the $100 price point
http://www.ebay.com/sch/i.html?_from=R40...r&_sacat=0
http://www.jeepdied.com/electrics.html#DSO
later Ill try to read your FSM book, all those TIF files.
and find the ECU pages that shows all pins , all names on one page.
many of the pages are over simplified, just basics, we need real schematics, to work problems like this.
back later....
http://www.fixkick.com