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Toymods » Tech & Conversions » r154 speedo driver question/ 1jz ecu questions

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tyottsoarer
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Gold Coast
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June 2004
r154 speedo driver question/ 1jz ecu questions Tue, 03 May 2005 11:44 Go to next message
I have a jzz30 soarer with an r154 conversion only the box is missing the speedo driver. Are all r154 speedo drivers interchangeable or do i have to find a soarer specific one? Also can the car be driven without the driver if the hole is properly blocker?

Onto the ecu, I am using the stock soarer auto ecu in the car , is the loom different between the auto and manual ecu's? If not how different are they?

Finlay, is there such thing as an aftermarket ecu that just plugs into the stock ecu loom that has decent result?

Thanks in advance.

Toyota want $350 plus shiping from japan ... Shocked and i have next to no chance of finding one used.

[Updated on: Wed, 04 May 2005 13:22]

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Stenno
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March 2003
 
Re: r154 speedo sender question/ 1jz ecu questions Wed, 04 May 2005 04:19 Go to previous messageGo to next message
I'm fairly sure the JZZ30 runs an electronic sender whilst the earlier A70 Supras & earlier series Soarers run a mechanical sender with speedometer cable.
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tyottsoarer
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Re: r154 speedo driver question/ 1jz ecu questions Thu, 05 May 2005 04:04 Go to previous messageGo to next message
Any other takers?
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sideshow
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Re: r154 speedo driver question/ 1jz ecu questions Thu, 05 May 2005 12:13 Go to previous messageGo to next message
the manual looms just have the wires for the auto missing

u can drive car but speedo wont work

and ecu will bring up error code but it should still dirve ok i think

i have speedo drives out of a 1uz crown auto gbox if they are the same
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manmx83
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July 2004
Re: r154 speedo driver question/ 1jz ecu questions Thu, 05 May 2005 16:45 Go to previous messageGo to next message
So you are saying Toyota want 350 for an R154 speedo driver?
Paul [twinturbocelica@hotmail.com] might have one,worth a try.
cheers.pete.
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tyottsoarer
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Re: r154 speedo driver question/ 1jz ecu questions Fri, 06 May 2005 00:14 Go to previous messageGo to next message
Yep toyota want $350 PLUS the cost of shipping from japan. For anyone thats interested the car drives fine without the speedo driver, not even an error code is displayed.
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CrUZsida
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Re: r154 speedo driver question/ 1jz ecu questions Fri, 06 May 2005 06:52 Go to previous messageGo to next message
Doesn't the speedo driver from the autobox bolt directly to the manual box?
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tyottsoarer
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Re: r154 speedo driver question/ 1jz ecu questions Fri, 06 May 2005 08:54 Go to previous messageGo to next message
Negatory, it's too small.
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CrUZsida
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Re: r154 speedo driver question/ 1jz ecu questions Fri, 06 May 2005 08:58 Go to previous messageGo to next message
So do you just need the speedo gear?
Or a whole electronic setup?

Ie, will your electronic one bolt to the bigger speedo gear?

EDIT: By this I mean can you bolt it up, andjust have the speedo reading out wrong?

I'm pretty sure all output sides of speedo gears are identical, just the diametre of the gear/number of teeth that changes.

[Updated on: Fri, 06 May 2005 09:00]

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tyottsoarer
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Re: r154 speedo driver question/ 1jz ecu questions Fri, 06 May 2005 09:03 Go to previous messageGo to next message
From what i saw the piece that sits in the gearbox just has 2 wires coming out of it. I need the piece that sits in the gearbox for a digital display (i think some jza70 ones are different) that is all. At the moment i have the hole blocked off with a bung and a plate, not very ideal. It is a little leaky. The best way i can describe the way it looks is a dynamo off a bike that is used to generate electricity for the light on the front.
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CrUZsida
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Re: r154 speedo driver question/ 1jz ecu questions Fri, 06 May 2005 09:32 Go to previous messageGo to next message
Normally the electronic speed sensor bit is the same between autos and manuals.

U can unscrew the electronic sensor off my UZS131 autobox, and screw it to my MA61 W58.
Likewise I can put my W58 speedo cable onto the UZS131 box.

Its just the speedo gear that changes, and thats matched to the diff.

If you don't understand I'll try and take some pics tomoz night
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tyottsoarer
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June 2004
Re: r154 speedo driver question/ 1jz ecu questions Fri, 06 May 2005 09:51 Go to previous messageGo to next message
The actual part was too small for the driver off of the auto trans to fit into the manual one. I have no idea why i also thought they were interchangeable but i guess not. I understand what your saying about the gears though.
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overboostin007
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gladstone
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June 2004
Re: r154 speedo driver question/ 1jz ecu questions Fri, 06 May 2005 22:51 Go to previous message
I am also after the internal speedo drive cog on the r154 as my one arrived without one. Let me know how you go or if anyone knows of where to get these from.?.
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