Absolutely not. The 3S-GE has a different compression ratio, variable valve timing (on later models), and a MAP sensor vs. the AFM on most 3S-FEs. Plugging a 3S-GE ECU into a 3S-FE will destroy the engine (incorrect fuel and ignition maps).
If you are working on a JDM-spec engine or a specific chassis like the ST202 Celica, ensure the pinout matches your ECU's physical plug count (e.g., some older units use a 26P-16P-22P layout). 3s-fe ecu pinout pdf
Sample table layout (for your PDF)
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Absolutely not. The 3S-GE has a different compression ratio, variable valve timing (on later models), and a MAP sensor vs. the AFM on most 3S-FEs. Plugging a 3S-GE ECU into a 3S-FE will destroy the engine (incorrect fuel and ignition maps).
If you are working on a JDM-spec engine or a specific chassis like the ST202 Celica, ensure the pinout matches your ECU's physical plug count (e.g., some older units use a 26P-16P-22P layout).
Sample table layout (for your PDF)
