S15/T15 Sonoma P/U 2WD V6-262 4.3L VIN W CPI (1994)
Keyless Entry Transmitter: Service and Repair
C221 - Data Link Connector
1. Ground pin G of the Data Link Connector (DLC).
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Receiver will respond by locking and unlocking doors within 2 seconds.
2. Press any button of the first transmitter to be programmed.
3. The control module will respond by locking/unlocking doors and activating rear window release.
4. Press any button of the second transmitter to be programmed (if used).
5. The control module will respond by locking/unlocking doors and activating the rear window release.
6. Remove the ground applied to pin G of the Data Link Connector (DLC).
7. Transmitter operation is verified by locking and unlocking the doors and activating the rear window release.
