Immobilizer Unit (Customer Supplied At Least One Valid Key)
WARNING: This page is about a different car, the 2002 Mazda 626 and 2001 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
When customer does not supply any valid keys, PCM must also be replaced.
- Cut new transponder equipped key(s). Replace immobilizer unit. Using valid key, start engine. SECURITY light should illuminate for 1-2 seconds and engine should continue to run. Turn valid key to LOCK position and remove key.
- Using new key or valid second key, turn ignition switch to ON position, then to LOCK position 5 times. Turn new key or valid second key to ON position. SECURITY light should be flashing at a 300 millisecond interval. Turn new key or valid second key to LOCK position and wait about 5 minutes until SECURITY light flashing has decreased to a 1.2 second interval.
- Input code word. See INPUTTING CODE WORD . SECURITY light should stop flashing and stay illuminated. Start engine with new key or valid second key. Using new key or valid second key, start engine. SECURITY light should illuminate for 1-2 seconds and engine should continue to run. Turn new key or valid second key to LOCK position and remove key.
- Using original valid key, start engine. SECURITY light should illuminate for 1-2 seconds and engine should continue to run. Turn original valid key to LOCK position and remove key.
- Repeat step 4 with additional valid key or new third key. Repeat step 3 with each new key, up to 8 keys total. After 30 seconds, program will quit automatically.