Mazda 626 Ecu Chart

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If you have time to contribute your ECU and features to this list PLEASE PLEASE PLEASE do it.  It will help many others in the future who need to find a replacement ECU or for those wanting to do engine or transmission swaps.

 

The main differences between ECU's are:

Immobilizer

No Immobilizer

Anti-Theft

No Anti-Theft

Keyless Entry

No Keyless Entry

US Federal Emissions

US California Emissions

ABS

No ABS

 

Judging from the amount of ECU's per year and model there are obviously many other differences but I'm not sure what they are at this time.  It will take a long time to compile a list of features for each ECU.  This will only be possible with YOUR help.

 

1994

1994 2.0L Automatic (EEC-IV) FED

Mazda Part # FS6218881B; FS6218881C; FS6218881D; FS6218881E; FS6218881G; FS6218881R0G; FS6218881H

 

1994 2.0L Manual (MECS-II) FED

Mazda Part # FS5918881

 

1994 2.0L Manual (MECS-II) CALIFORNIA

Mazda Part # FS6118881B

 

1995

1995 2.0L Automatic (EEC-IV) FED

Mazda Part # FS8018881A; FS8018881B; FS8018881C

 

1995 2.0L Automatic (EEC-IV) CALIFORNIA

FS7818881C; FS7818881D; FS7818881E

 

1995 2.0L Manual (MECS-II) FED

FS7718880B

 

1995 2.0L Manual (MECS-II) CALIFORNIA

FS7718881B; FS7918881

 

1996/1997

 

1996/1997 2.0L Manual (MECS-II) FED

FSB818880R0D; FSB818880D; FSB818881C; FSB818881D

 

1996/1997 2.5L Manual (MECS-II) FED

KLC918881A (V6 ES Loaded, Power Seat, Keyless, Sunroof); KLC91881B; KLC91881C; KLG218881B