Hondata

I have a Turbo B18C in a 2000 Si, controlled with a S300. When I'm in cruise control around 68-70mph (around 3700 rpm in 5th), my MAP values bounce between 45kPa and 75kPa, AF stays between 13.8-13.6, ignition changes by about 4 degees. If I hold at 70 with my foot on the gas (no cruise control) it ...

Yes, the OBDI ECU does not have a C connector, but the harness on the OBD2 car does.

So apparently the Honda drawing for the ECU does not label the pins the same way...

D10 on that link is D18 on the Honda drawing, so that's the mix-up I've been encountering!!!

Thank you da_dude!

I understand that it doesn't matter where the pin goes on the vehicle's harness (unless I cut out something that was necessary, then it's a problem) as long as the white wire from the AEM goes to pin D10 on the ECU. What I'm saying is that on the Spec drawing for the ECU (the actual Honda pinout ...

A30 on my harness is the A/C switch...

A27 on my harness is the ELD input...

After looking at pinout dwgs for the P2T (00 Si M/T) and the P28 ECUs it seems like the only input I could find that didn't match up was the ELD from the P28 went to the Knock sensor on the vehicle harness. The pinout ...

I'm looking into a new harness then...

Regardless, the O2 sensor is wired into D10, gets 2.4~2.5V and still does not respond. The car ran perfectly N/A with the same adapter harness, so I'm not completely convinced its in the adapter harness.

Do you have a list of pin connections from OBD1 ECU to ...

It is in the D10 Pin on the OBD1 ECU, the adapter harness has the wire from D10 on the ECU going to pin C8 on the vehicle harness. I wired the Wideband in at C8 on the harness side to match up to D10 on the ECU. I didn't just wire it up to some random pin. I traced the wires, they match up.

A30 on my car is the A/C switch, ELD actually goes to A27 on the car harness side. Is it possible I have the wrong harness? It ran perfectly fine N/A.

Either way, I have it connected to C8 and it's not reading anything, it seems like it should at least read something...

It's connected to C8 on the vehicle harness, which was conected to D10 on the OBD1 ECU by the OBD2 --> OBD1 conversion harness.

This is on a 2000 Civic Si...I tried the AEM into the B6 pin (removed R2 and R3) and it read some mystical voltages that looked like my target AF readings. Now I've moved the AEM into the D10 pin (removed R136 and R138) and it's not reading anything. I verified that there is a good signal to the ECU ...

It worked! I can now view and edit settings in 1.4.2 as normal! I sent the smanager.ini file a few minutes ago.

Thanks! I'll try it this morning and get you the .ini file this morning as well.

Is it something I did? I went back to an older version and everything works fine...I'm gonna tune the car off this older version for now, but please let me know if you find anything on this error or if it was something I need to change.

yes, after I click "settings". It hesitates, then the error box comes up.

This evening I downloaded Smanager 1.4.1 and now I can't open or edit "settings" for any of my calibrations (I get an access error). This morning I could when I had 1.3.8...I've installed/reinstalled 1.4.2 twice already

The error I get says "Access violation at address 0042BA06 in module "smanager ...