'94-'95 OBD1.5 Key Remote Program* - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat
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Old 01-17-2009, 05:46 PM   #1
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Default '94-'95 OBD1.5 Key Remote Program*

To reprogram your keyless entry system for a new key fob:

Click the image to open in full size.
1) Turn ignition to OFF.
2) Ground pin 1 of the Data Link Connector (black 16-pin connector under dash driver'* side). Pin 4 of this connector is a ground, so placing a jumper wire between pins 1 & 4 will accomplish this. Grounding pin 1 tells the system you are getting ready to reprogram it.
For 94 cars you need to jumper pin out 4 to 8
3) Close all the doors.
4) Turn the key to ACC, then back to OFF. The power locks will lock/unlock. The system is now ready to be programmed.
5) Press a button on your key fob.
6) If you have two key fobs, press a button on the second fob within 1 minute of pressing a button on the first one. Both must be programmed at the same time. If you only have one remote, press a button on it 2 more times to signal that you only have one.
7) The doors will lock/unlock to signal that the codes were received.
8 ) Remove the connection between pins 1 & 4.

I found that the power locks locked and unlocked immediately upon jumping pin 1 to pin 4. The system was ready to be programmed. steps 3 & 4 were unnecessary.
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'94-'95 OBD1.5 Key Remote Program*-obd1.5-pinout.gif  

Last edited by Danthurs; 01-27-2009 at 07:13 PM.
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