Key Fob Programming Issue
So I have a 96 LS Blazer and I decided to get one of the OEM key fobs. I can't seem to get the car to activate the programming mode though. I know about the pins in the OBD2 reader and nothing happens when I put a jumper in them. Fuse isn't blown and the OBD2 port has power. Anyone have any ideas?
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How many pins does your data port have?
George |
Originally Posted by GeorgeLG
(Post 737687)
How many pins does your data port have?
George |
Originally Posted by Steve478
(Post 737714)
It has 16 pins
George |
The infamous bastard ODB 1.5 can apparently exist in 1994-1996 GM vehicles with 12 or 16 pin diagnostic connectors and various pinouts. Ours appear to be mostly or all 1995 but ...
You said you have a 16 pin connector so now we should verify that the following pins are populated with metal contacts: 2, 4, 5, 8, 9, 13, 16. If so then jumping 8 and 4 should cause the doors to lock/unlock to signal the initialization of keyless programming mode. Does this happen? If not try 8/5 because 5 is also a ground like 4. George |
For reference (note the connector shape):
https://cimg6.ibsrv.net/gimg/blazerf...df0d0b4e2a.gif George |
Originally Posted by GeorgeLG
(Post 737728)
For reference (note the connector shape):
https://cimg6.ibsrv.net/gimg/blazerf...df0d0b4e2a.gif George |
Originally Posted by Steve478
(Post 737731)
In relation to the diagram, I have pins 2, 4, 5, and 8 for the top row. For the bottom row I have 9 and 16.
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So you jumper 8/4 or 8/5 and the locks do not react?
George |
Yes sir that is correct
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