Honda OBD1 ECUs

Data-logging port:
Pinout top to bottom:
5: Nothing
4: TX
3: 5V
2: RX
1: Earth
Only Earth,RX and TX are required to data log.
Data-logging requires a serial TTL converter.

J4 needs to be unbridged to enable datalogging.

Last updated bybmgjet on February 6, 2019

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