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Current consumption when locked (Gen 3)

  • DrRobin
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03 Dec 2020 21:18 #230639 by DrRobin
Thanks Mike,

50mA is more like what I expected and no need to put a meter in series the Fluke is fine. I borrowed a LEM/Heme from work, it’s a bit old but still very handy.

I suspect my head unit is taking all of the extra current, trouble is, it has hardly stopped raining here and very cold, so not great weather for messing on outside. I will try tomorrow.

2020 blue SZ5 (one of the last to be registered in the UK)
Ex 2011 Blue Jimny SZ4
Northumberland Jimny Blog

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  • DrRobin
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05 Dec 2020 13:40 #230683 by DrRobin
I have just made an extensive set of tests and confirm that at rest with the doors locked the current is 50mA when clamped round both battery earth cables. If I only clamp round the smaller of the two (bolted to the chassis next to the battery) it is about 20mA, I assumed the bigger cable was for the starter motor so that circuit must take a little current as well.

I have no idea how I got 150mA the other day, but all looks normal now.

Perhaps the battery is going flat as I am not using the car much, then it is only short journeys with the lights on, it’s only happened twice, once in April and again last week so not going to worry any further.

2020 blue SZ5 (one of the last to be registered in the UK)
Ex 2011 Blue Jimny SZ4
Northumberland Jimny Blog

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