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Spare Key Programming - Using Diagnostic Equipment

NOTE: This procedure is used when a customer needs to have an additional key programmed into the vehicle without erasing stored key codes, but does not have two programmed keys available. This procedure is also useful when attempting to determine if an ignition key is defective, as a new key can be installed without erasing keys or without having two programmed keys available. Before programming, new key must have the correct mechanical cut for the ignition lock. If 8 keys are already programmed, this procedure will not allow any further ignition keys to be programmed without erasing all stored key codes first.
  1. Turn ignition switch to LOCK position. Connect Worldwide Diagnostic System (WDS) tester or New Generation Star (NGS) tester to Data Link Connector (DLC). See Figure. Turn ignition switch to RUN position. Using WDS or NGS perform security access procedure. See SECURITY ACCESS PROCEDURE .
  2. After security access procedure is been performed, select IGNITION KEY CODE PROGRAM. Turn ignition switch to LOCK position and disconnect WDS or NGS tester. Attempt to start the engine with new ignition key. The vehicle engine should start and run normally.
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