Mode $0a on 7730

[David Cooley]

At 01:15 AM 7/17/00, you wrote:
>STILL trying to figure out this *&^$ 7730 and wondering if my interface
>isn't at fault.
>
>Here's the Q:  Sending $F4 $57 $0A should put the ECM into Mode $0A (aka
>Mode 10), which erases any malfunction codes, right?
>
>Here's the background:  It looks like I can watch serial data, but I
>can't transmit to the bus.  I intentionally disconnected the MAP sensor
>to generated a code 34.  I ran across the Mode 10 stuff on ECMGUY's page
>beforehand, and tried it using PROBE with a modified request.  I also
>loaded ALDLMON, and while it wouldn't do anything much, I did ask it to
><E>rase Malfunction codes.  It SAID it did, but I confirmed that both
>PROBE and ALDLMON did not erase the codes.  I did so by jumpering A & B
>and watching the blinks.


You have to add the checksum.  $F4 $57 $0A $56 (I think the checksum is 
$56... been a while)


===========================================================
David Cooley N5XMT Internet: N5XMT at triad.rr.com
Packet: N5XMT at KQ4LO.#INT.NC.USA.NA T.A.P.R. Member #7068
We are Borg... Prepare to be assimilated!
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