Determining BCM Programed Key Code

To determine unknown BCM key code, use J 35628-A Interrogator and following procedure.

1. Connect J 35628-A wiring to PASS-KEY II(R) dash connector at base of steering column. Do not connector to steering column wiring.
2. Turn J 35628-A on and move key code switch to "1" and attempt to start engine. if engine starts, key code is "1". If engine does not start, turn ignition off and press 4-minute timer on J 35628-A.
3. When timer lamp goes out, move key code switch to next number and attempt to start engine. If engine does not start, continue trying different key codes until proper key code is found.