'system shut down' on Mk.3 Yaris. - Toyota Yaris Forums

Geoff Peace · 01-10-2014, 01:48 PM

Thankyou for your reply C.T. Yes it has done this since new and I have encountered a similar thing with a Mazda MX5 Mk.3. So I would think it is normal. From your reply I obviously did not make myself clear regarding my question on residual current. Many terms in the car world seem to be different in the US! I am learning slowly! By residual current, (I think it is called dark current in the US) I mean the maximum allowable current when everything is switched off, the battery negative terminal disconnected and an ammeter connected in series from the battery negative terminal to the negative connector. On many cars it is usually around 20mA. This being the current required to back up the radio memory, clock, ECU etc. I would just like to know the figure for the Mk.3 Yaris if possible. Thankyou.
Regards Geoff Peace.

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01-10-2014, 01:48 PM	#3
Geoff Peace Drives: Yaris 1.33 litre 2011 Join Date: Dec 2009 Location: Wigan Posts: 124	Thankyou for your reply C.T. Yes it has done this since new and I have encountered a similar thing with a Mazda MX5 Mk.3. So I would think it is normal. From your reply I obviously did not make myself clear regarding my question on residual current. Many terms in the car world seem to be different in the US! I am learning slowly! By residual current, (I think it is called dark current in the US) I mean the maximum allowable current when everything is switched off, the battery negative terminal disconnected and an ammeter connected in series from the battery negative terminal to the negative connector. On many cars it is usually around 20mA. This being the current required to back up the radio memory, clock, ECU etc. I would just like to know the figure for the Mk.3 Yaris if possible. Thankyou. Regards Geoff Peace.