When customer has brought two or more valid keys

Fig 1: Identifying Two Or More Valid Keys

Courtesy of MAZDA MOTORS CORP.

NOTE:

• If no specific time interval is given, each step should be performed within 30 seconds  of the previous step.

1. Cut new transponder equipped key(s) if necessary.
2. Replace PCM. (See POWERTRAIN CONTROL MODULE .)
3. Using key 1, turn ignition switch to ON position, and observe that security light illuminates (for 1-2 seconds  ) in instrument cluster.
   1. Turn key 1 to LOCK position.
   2. Turn key 1 to ON position then back to LOCK position six times.  The key should not remain at ON position or LOCK position for more than 1 second.  It is particularly important to ensure that the 6th turn is done within 1 second. 
   3. Remove key 1.
4. Using key 2, turn ignition switch to ON position. Observe that security light illuminates (for 1-2 seconds  ).
   1. Turn key 2 to LOCK position and remove from steering lock.
5. Using key 1, start engine. Observe that security light illuminates (for 1-2 seconds  ) and engine continues to run.
   1. Turn key 1 to LOCK position and remove from steering lock.
6. Repeat Step 5 with key 3.
7. If there are 4-8 keys (valid and/or new keys), repeat Step  5 .
8. Wait for 30 seconds  to quit reprogram mode.
9. After reprogramming, clear DTCs of PCM with WDS or equivalent.