- Connect a battery maintainer to car
- Bridge DLC pins 4 and 13 with a wire or paper clip
- Turn the ignition to the "ON/RUN" position (do not crank)
- Leave key in the "ON/RUN" position for 35 minutes
- Turn the ignition "OFF" and remove key
- Remove the bridged connection between DLC 4 and 14
ECU and immobilizer smart box should be paired now.