[Ovmsdev] Roadster info missing?

Mark Webb-Johnson mark at webb-johnson.net
Fri Jun 15 09:37:26 HKT 2018


During drive, all temperatures should be updated. Perhaps if they had some diagnostic screen on, that could be suppressed, but I don’t know how. From what I have seen, they are continually transmitted on the CAN bus.

After the car is parked, the temperature subsystem goes to sleep and stops transmitting. This is the same as the normal vehicle sleep mechanism, where the coolant pump stops. OVMS will display that as the temperatures going gray on the Apps. If you tap the trunk of the car (in the App), you can wake it up and the temperatures will start updating again (until car goes back to sleep).

Regards, Mark.

> On 15 Jun 2018, at 2:04 AM, Greg D. <gregd2350 at gmail.com> wrote:
> Hi folks (probably Mark...),
> My Roadster is in the shop for some work on the HVAC system (I think
> they over-filled it last time), and watched remotely as they took the
> car for a test drive.  One thing I noticed is that the PEM, Motor, and
> Battery temps aren't being updated.  Position, speed (yikes!), tire
> pressure, and battery SoC are live, so the OVMS is still connected and
> working normally. 
> I'm guessing they had the car in some sort of service / debug mode. 
> Would that prevent the CAN messages from being reported on the
> diagnostic connector?
> Thanks,
> Greg
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