[Ovmsdev] Nissan Leaf
tom at idleloop.com
Tue Jun 17 13:23:45 HKT 2014
The Car CAN bus isn't on when the car is charging. That's fine for apps
where you're sitting in the car, and either the car is on or you can turn it
on in accessory mode, but it's a deal breaker for remote monitoring.
On 6/16/14, 9:32 AM, "phil hochstetler" <phil.hochstetler at gmail.com> wrote:
I don't know all the details, but I have followed some of the development of
the can bus hardware monitoring for the Leaf.
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
they dropped making EV can bus requests and can use the regular car can bus.
This makes all the cables standard.
If you dig around on the leaf forum (or ask garygid) you can get all the
On Sun, Jun 15, 2014 at 8:15 PM, Mark Webb-Johnson <mark at webb-johnson.net>
> I've ordered a bunch of cables suitable for CAR and EV can buses of Nissan
> Leaf. Pinout is:
>> Pinout B
>> J1962-M DB9-F Signal
>> 4 3 Chassis/Power GND
>> 6 5 CAN-H (alternate CAN)
>> 14 4 CAN-L (alternate CAN)
>> 13 7 CAN-H (primary CAN)
>> 12 2 CAN-L (primary CAN)
>> 16 9 +12V Vehicle Power
>> J1962 end should be MALE plug with right angle cable. DB9 end should be
>> Both ends should be enclosed in shells, and cable should be 1metre in length.
> 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).
> Cable itself as per our standard naming:
> For simplicity, I'll ask Fasttech to handle logistics for these, as usual.
> Regards, Mark.
> OvmsDev mailing list
> OvmsDev at lists.teslaclub.hk
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