cmytoy
Posts: 1
Joined: Tue Jun 23, 2015 8:11 pm

Transmission modification

Tue Jun 23, 2015 8:22 pm

Hi Guys,
I run a small security firm, decided to put one of these on a patrol run and would like to only let the operators select then eco mode, how can i disable the D and B mode ?

JoeS
Site Moderator
Posts: 3759
Joined: Thu Dec 15, 2011 5:47 am
Location: Silicon Valley, California

Re: Transmission modification

Tue Jun 23, 2015 11:29 pm

cmytoy, welcome to the forum. I think the i-MiEV is a perfect security patrol car, unless you expect more than about 50 miles/shift. It's silence for running around at night will ensure minimal disturbance in a neighborhood.

You do realize that full power is still available in ECO if you stomp on the accelerator?

Is your intention to simply maximize driving range? Are you on level ground or a hilly region? - my reason for asking is that B mode can be beneficial if judicially used.

To answer your question, I don't think anyone has messed with the mode selector switches which are actuated by the 'shift' lever- we really don't call it a transmission as the car has none.

Edit: I'm wrong - it is called a transmission and it has a geartrain, but nothing that 'shifts'. :oops:
EVs: 2 Wht/Blu SE Prem., '13 Tesla MS85, 3 156v CorbinSparrows (2 Li-ion), 24v EcoScoot(LiFePO4)
EV Conv: 156v '86 Ram PU, 144v '65 Saab 96
Hybrids: 48v1kW bike
ICE: '88 Isuzu Trooper. Mothballed: '67 Saab (orig.owner), '76 MBZ L206D RHD RV

jray3
Posts: 1657
Joined: Tue Dec 06, 2011 1:05 am
Location: Tacoma area, WA
Contact: Website

Re: Transmission modification

Wed Jun 24, 2015 6:47 am

Great vehicle for security patrols! I'll ditto Joe about whether disabling any modes would be worthwhile, but on the Shift Position Switch (which is located on the transaxle itself, controlled by a cable from the shifter, which seems a holdover from the ICE version of the car), the terminal number for D is 4-5 and for B is 4-6. (from page 22A-5 of the Helm manual) Disconnecting any of those electrical connections is likely to have unintended consequences, like throwing trouble codes that might even prevent operation of the vehicle.

It would seem easier to add a mechanical gate on the shifter or a stop block back at the transaxle end of the shifter cable to lock out B Mode if you want to keep the operators from engaging in 'hot pursuit'. :lol:
2012 i-SE "MR BEAN" 105,400 miles
2000 Mazda Miata EV, 78 kW, 17 kWh
1983 Grumman Kurbwatt EV,170 kW, 32 kWh
1983 Mazda RX-7 EV 43 kW 10 kWh
1971 "Karmann Eclectric" EV 240 kW 19 kWh
1965 Karmann Ghia Cabriolet

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