Re: [opendiag] 2nd attempt to build interface w/ perf board

Hi,

the Vb- Pin of your OBD-2 MUST be at 12 Volts with Ignition = on. If there
are no 12 V, so look for fuses..maybe one is open
Is the pinout you use the right one ? (pin 16 of the connector on the car is
at your right side) and on the plug it is at your left side.

----- Original Message -----
From: <clwong@...>
To: <opendiag@yahoogroups.com>
Sent: Thursday, November 22, 2001 3:56 AM
Subject: [opendiag] 2nd attempt to build interface w/ perf board

> First attempt resulted in an interface that didn't work.
>
> 2nd attempt, I was much more careful in running the wires and used
> the pcb layout instead of the circuit diagram and resulted in another
> interface that doesn't work.
>
> questions:
>
> 1- how likely is it that these components are static damaged from my
> handling while soldering?
>
> 2- placing a gauge in my 97 A4's obd2 port vb-line and ground line
> should show 12 volts? (I'm getting nothing with ignition on and/or
> engine on)
>
> looks like it time to buy a pcb?
>
>
> Chi
>
>
>
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Received on Thu Nov 22 12:17:35 2001