![]() ![]() My takeaway is: don't expect that can reproduce the readings in that YouTube video for testing the Leaf diode. I've tested L2 charging the Leaf on public chargers, and it worked fine on Chargepoint, Siemens and Aerovironment. Please note the following differences between a JuiceBox 40 and JuiceBox 32 are. I have no idea why they read an order-of-magnitude different from each other when checking for a working diode on the Leaf. Please view the online manual for the JuiceBox 32. ![]() ![]() But I checked both meters using a pile of 10K resistors, and on every resistor, both meters agreed to within 0.2%. This is odd, since YouTube claims that I should be reading K-ohms from pilot to ground, and Mega-ohms from ground to pilot ( ). A second (even cheaper) multimeter read 3 meg-ohms pilot to ground and infinite from ground to pilot. The data does live on the companys servers, but you can export to CSV periodically so as to have your own local copy of the data. My MS8239D multimeter read 12 mega-ohms from pilot to ground, and infinite from ground to pilot. Two comments: I love our JuiceBox Pro 40, and have had it for three years tracking a Volvo PHEV, Nissan Leaf, and Model 3 over that time. I set the Serial Monitor app in Arduino IDE to "9600,8,N,1")Īfter seeing this Diode Check Fail error, I checked resistance from the Leaf's J1772 pilot pin to ground pin, and vice-versa. The FTDI's CTS and +5V were left unconnected. (for posterity: I connected an Arduino FTDI's RX pin to juicebox TX pin, FTDI TX to Juicebox RX, ground to ground and FTDI DTR to juicebox ground. ![]()
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