I've connected PIN 7 White/Yellow from the diagnostic port to PIN C04 White/Yellow on the multipoint connector.
Still get the error code.
Can anyone shed some light on the problem?

earl34 said:

Found this.

Can anyone explain PIN 9?

Click to expand...

There are multiple k line for talking to different units, 9 is for stuff like central locking, windows, air conditioning, electric power steering.

I'm not at my computer so can't check the wiring diagram.

Might seem obvious but have you got the ignition on when you're trying to read it?

Try using the diagnostic on another vehicle with torque on android to rule out problems with the device.

ecunotemu said:

I'm not at my computer so can't check the wiring diagram.

Might seem obvious but have you got the ignition on when you're trying to read it?

Try using the diagnostic on another vehicle with torque on android to rule out problems with the device.

Click to expand...

Thanks for the reply.
Yes, the ignition is on.
I used the diagnostic on the wife's Punto and it connected to the ecu through AlfaOBD. I'll download Torque just to be sure.

Thanks for the PIN9 explanation. I don't have any of those fitted.

As i only have the engine management loom fitted, naively perhaps, i thought that PIN7 might be enough on it's own. But maybe not.

Success!
If i connect only PIN7 and use the Torque Android app, i get a connection to the ECU.
The bonus is the Torque real time display provides the missing dash info.
Thanks for all your help, once again.

Torque doesn't give the correct values you'll get Max or min reading for everything except rpm which comes out a third. But at least you know it works now.

ecunotemu said:

Torque doesn't give the correct values you'll get Max or min reading for everything except rpm which comes out a third. But at least you know it works now.

Click to expand...

OK, not so good but thanks for the heads up.
Do you mean that the actual RPM will be 3 times the displayed figure?

Something like 3 times it wrong anyway.

With alfa obd you can try increasing the latency settings to see if that fixes your bus init error.

IF you're using the crappy old cracked version forget about it and install the demo.