Hondata

J12 is cut on the ECU. and submitted.

Yep. Tried new calibration and clean installs.

After re-seating the S300 module etc, this is what I get...... so hopefully it's just the S300 portion and not the ECU. Not sure.

I also found it weird that as soon as I move the slider bar for IACV in SManager the car responds immediately without using the upload button. Live feed option?

Did find this post which is close to mine.... , seems the best bet is to try another ECU (which is impossible without purchasing one).

viewtopic.php?t=9863

More info:

- serial number of the s300 inside the ECU
-- 25793? Red PCB / S300 V2 (not sure where to find the S/N on this)

- version of software being used (Help, About)
-- 2.7.6.0

- the calibration (as an attachment)
-- can't load it

- a datalog of a problem (as an attachment)
-- N/A

- what ...

All was fine with this P28 / S300v2 for years now. This morning the car was running, working fine. I moved the slider bar in S300, the car died.
Upon trying to start I have a electronic boost solenoid going crazy and SManager showing me this with ACC on. Can't upload, and no parameters available ...

Thanks. I got things working again by cleaning up the board and re-heating the S300 solder joints.

Hi,

H22 prelude engine in a 93 accord. In good measure I sent the ECU to a professional to have the capacitor replacement kit installed before they failed. Now I get this (see picture). Car never moved, worked fine before the repair. I tried re-seating the S300 board. The ECU solder joints look ...