How to Program a 1997 Chevrolet Astro Key Fob, Keyless Entry Remote, Smart Key
Programming Instructions Step by Step:
1. Locate the Data Link Port. It is located under dash drivers side.Be sure you know which pins are 8 and4.
2. Make
sure there are metal contact pins in terminals 8 and4.Connect 8 to 4
with a suitable jumper wire (leave the jumperwire connected throughout
the programming procedure).Make sure you know which terminals are 8 and
4. The vehicle will respond by locking and unlocking the doors to
signifyentering of programming mode.
3. Press
and hold both the LOCK and UNLOCK buttons together on the first
transmitter to be programmed. Afterabout 15 seconds, the vehicle will
respond by locking and unlocking the doors. Release the buttons on the
transmitter.
4. Within one minute, repeat the previous step on the remaining transmitters to be programmed.
5. Remove jumper wire applied to the OBDII Port.
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