The TCU can be plugged back in at any point in the future if required. OVMS can be used to more than substitute the loss of Nissan Connect features. All other car functions will not be effected e.g GPS, maps, radio, Bluetooth, microphone all work just the same as before. Note: Unplugging the TCU will disable Nissan EV connect / CARWINGS features e.g Nissan mobile app. The large white plug on the rear of the TCU should be unplugged, push down tab in the middle and pull to unplug, see video for RHD cars and this page for LHD cars.
#2016 S NISSAN LEAF GUIDE WITH PICTURES DRIVERS#
The TCU is located behind the glovebox on LHD cars or on the right hand side of the drivers foot well on RHD cars. To use OVMS to activate remote climate the Nissan TCU (Telematics Control Unit) module must be unplugged if fitted e.g satnav headunit (only on Acenta and Tekna models). This obviously only helps if your vehicle is plugged in, but may be useful for some users. If you have a “smart” EVSE (or one connected to a “smart” outlet, you can sometimes wake up the EV system by turning it off, then back on. When done, the original TCU can be left unplugged. Meanwhile on the TCU side the cable can be soldered or spliced in to by using a connector of your choice. The connection on the OVMS DA26 side can be made by using dedicated DA26 connector or a standard round 1mm jumper cable. This can be achieved by wiring the pin 18 (Ext 12V) from the OVMS DA26 socket to the cable going to pin 11 of the TCU by using a standard single conductor wire. A cable wired to the pin 11 of Nissan TCU (Telematics Control Unit) needs to receive +12V so that “EV System Activation Request Signal” can be generated, which in turn allows to trigger climate control independently. If you want to to enable remote climate control once the charge has finished, or if the vehicle is not plugged in, you need to do the following hardware modification. If you are ok with this, you don’t need to do anything further. Gen1 LEAFs (ZE0, 2011-2012) require a hardware modification to enable remote climate control if the vehicle is not plugged in and charging. ZE0 (2011-2013) vehicles are required to choose SoC display from “relative to fixed value”, “dashboard display” SoC method does not work with these vehicles. Lock/Unlock will work if CAR can bus is awake, this can be activated by turning on A/C Also HVAC needs to be in ON position before powering down the vehicle for the metrics to work during pre-heat. ( 1, 2, 3, 4, 5, 6) Some HVAC Status Items have been only verified with 2013-2016 MY cars and will only work if the year is set in configuraiton. OVMS currently supports 2011-2017 Nissan LEAF and all models of Nissan e-NV200
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