Pcm Removal/Installation: Notes

When replacing the PCM, perform the following:
- PCM configuration (See PCM CONFIGURATION ).
Remove the battery cover.
Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF] ).
Remove the air cleaner case. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION ).
Move the water hose from the PCM cover slightly out of the way.
Remove in the order indicated in the table.

Fig 1: Identifying PCM Components Removal Sequence
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.
When replacing the PCM on the vehicles, perform the following:
- PCM parameter reset (See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [KEYLESS ENTRY SYSTEM] ]).(See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [ADVANCED KEYLESS ENTRY AND START SYSTEM] ).