Pass-Key(R) III System Auto Learn Procedure
NOTE:
PASS-Key(R) III system auto learn procedure must be performed if all keys are lost, or PCM, PASS-Key(R) III module, ignition lock cylinder, steering column assembly or ignition key are replaced. A password is communicated between PASS-Key(R) III module and PCM to provide engine operation. If PCM is replaced, the PCM must learn the password from the PASS-Key(R) III module.
- Insert a valid mechanical coded unlearned master ignition key (Black) into ignition switch. Turn ignition switch to RUN position. The SECURITY indicator light will flash once per second for 10 minutes for the length of the auto learn timer.
- When auto learn timer expires and SECURITY indicator light goes off, turn ignition switch to LOCK position. Wait 5 seconds.
- Repeat steps 1 and 2) two more times. Insert the newly learned ignition key into ignition switch.
- Turn ignition switch to RUN position. The SECURITY indicator light should remain off to indicate ignition key was learned. This will be the only learned key. To program more keys, see PASS-KEY(R) III SYSTEM QUICK LEARN PROCEDURE . If SECURITY indicator light does not remain off, repeat procedure. Use scan tool to clear any DTCs.