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OBD1J1

J1 on OBD1 ECUs controls the state of EA. It is used to change whether the MCU uses an external ROM or internal program.

Beginner

Adapted from pgmfi.org wiki

J1 on OBD1 ECUs controls the state of _EA. It is used to change whether the MCU uses an external ROM or internal program.

Credits and source

Authors Anonymous PGMFI contributor

Source Adapted from OBD1J1 on pgmfi.org wiki. Licensed under CC BY-NC-SA 1.0.