<div dir="ltr">I don't know all the details, but I have followed some of the development of the can bus hardware monitoring for the Leaf.<div>Much of the first attempts were using the EV can bus, but they discovered you can get one of the ECU's to forward requests/responses for you and thus</div>
<div>they dropped making EV can bus requests and can use the regular car can bus. This makes all the cables standard.</div><div><br></div><div>If you dig around on the leaf forum (or ask garygid) you can get all the details.</div>
<div><br></div><div>Phil H.</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Sun, Jun 15, 2014 at 8:15 PM, Mark Webb-Johnson <span dir="ltr"><<a href="mailto:mark@webb-johnson.net" target="_blank">mark@webb-johnson.net</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div><br></div><div>I've ordered a bunch of cables suitable for CAR and EV can buses of Nissan Leaf. Pinout is:</div>
<div><br></div><div><div><div style="font-size:12pt;font-family:Calibri"><div dir="ltr"><blockquote style="border:none;padding:0px"><div><font face="Andale Mono"><u>Pinout B</u></font></div><div><font face="Andale Mono"><br>
</font></div><div><font face="Andale Mono">J1962-M DB9-F Signal</font></div><div><font face="Andale Mono">4 3 Chassis/Power GND</font></div><div><font face="Andale Mono"><b>6 5 CAN-H (alternate CAN)</b></font></div>
<div><font face="Andale Mono"><b>14 4 CAN-L (alternate CAN)</b></font></div><div><font face="Andale Mono">13 7 CAN-H (primary CAN)</font></div><div><font face="Andale Mono">12 2 CAN-L (primary CAN)</font></div>
<div><font face="Andale Mono">16 9 +12V Vehicle Power</font></div><div><font face="Andale Mono"><br></font></div><div><font face="Andale Mono">J1962 end should be MALE plug with right angle cable. DB9 end should be FEMALE.</font></div>
<div><font face="Andale Mono">Both ends should be enclosed in shells, and cable should be 1metre in length.</font></div></blockquote></div></div></div></div><div><br></div><div>The wiring brings J1962-M pins 13 and 12 (EV can bus) through to our standard OVMS v2 can bus pins. It also brings the normal CAR can bus through on DB9-F pins 5 and 4 (for future use on any dual-can enabled OVMS module, or easy re-wiring at the DB9 end).</div>
<div><br></div><div>Cable itself as per our standard naming:</div><div><br></div><div><img height="85" width="93"></div><div><br></div><div>For simplicity, I'll ask Fasttech to handle logistics for these, as usual.</div>
<div><br></div><div>Regards, Mark.</div><div><br></div></div><br>_______________________________________________<br>
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<br></blockquote></div><br></div>