A340 Won't let me manually lock it in 1st or 2nd.

[luke1jz]

Hi guys, i have just finished converting my mx83 cressida, with a z30 1jz & a340. My problem is that when i select L or 2nd with the T-bar it doesnt hold etc and just changes gear as if it was in drive. Any idea's?
Thanks. Luke.

[George]

Had similar issue with my vvti 1jz-ge

Solution was to connect the harness as per wiring diagram. Specifically, gearbox have selector switch, with +12v input and outputs 2,l,r etc. These wires must be connected to the ecu for it to be aware of your choice.

Upon conversion, these wires are usually left unconnected by mistake. Because they run through body loom, not engine's one.

[luke1jz]

Any idea on what pins on the ecu to connect the signals from the inhibitor switch too? I can work out the signals coming from the inhibitor switch, i just don't know where on the ecu to join them into etc.

[George]

if yours is a JZX100 engine, too (1998-2000 1jz-ge) => pm me your email and I'll send you the complete diagram set.

[auto351]

we are using this for our swap

[George]

this one is way older, I didn't have any experience with it. However I would suggest to ensure that with ignition on you see +12v on 2,L,P terminals as you move the lever.

[luke1jz]

The A340 i have is out of a jzz30 soarer. I currently have no power going into the inhibitor switch. I really need to know What wires to give 12v to in the inhibitor switch etc. This is a pic of the plug.

http://i238.photobucket.com/albums/f...7/img_0209.jpg

Anyone know the pin outs for this plug?

[George]

ok, no power to the switch -> no signal out of it, so we found the problem
I don't know the pinout, but you don't need one. Just use multimeter to find the "common" pin.
So this pin is connected to "2" when in 2, "L" when in L etc...
Then power the pin from ignition switch. Good luck.

[luke1jz]

Got ya. So there should be 2 12v inputs into the switch? 1 for the NSW and the other for telling the ecu what position the t-bar is in?

[George]

yep! but NSW circuit is powered only upon starting your engine, (see your wiring diagram for details - STA/NSW pins and starter relay).

[luke1jz]

Thanks heaps for your help george!

[auto351]

here is a diagram of the Switch the colors should be the same?