When customer does not have valid key
WARNING: This page is about a different car, the 2005 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
- PCM needs to be replaced with immobilizer unit. Perform "Both Immobilizer unit and PCM Replacement" of the IMMOBILIZER SYSTEM REPROGRAM PROCEDURE. (See BOTH IMMOBILIZER UNIT AND PCM REPLACEMENT .)