JP Nav Installed in Non-Nav ML IS250 (No 56K)

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01-14-07, 06:20 PM

#16

eddiec

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Quote:

Originally Posted by tqlla3k

WHAT! HOW DID YOU DO IT? I have a prerelase nav right next to me, I would like to install in my cousins car. I tried to install it, but it seemed impossible!

HELP ME OUT!

Props to you for being the first to take such a big risk!

AND HELP!!!!! All I have is the nav console itself, what other parts do I need? antenna? Back up camera? Microphone? Do I need more? Can I live with just the antenna?

Hi Tqlla3k, can you give me more information about your situation?

1. What is prerelase Nav? Is it the same as stock Nav?
2. What kind of IS250/350 that you're going to install the Nav Console?
3. What do you mean "antenna"? Is it AM/FM?

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01-14-07, 06:25 PM

#17

eddiec

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Quote:

Originally Posted by IS_250

i knew it could be done... if you could please give us more details?

What I did it to read both US and JP Wiring Diagram.

To find out the power releated pin (B, ACC, IG, GND, ILL+, ILL-), AVC-Lan releated pin (TX+, TX-), and CAN (CANH, CANL), then to find out the differences between US and JP system. It takes some time to understand both system and also the Wiring Diagram. Well, it is very interesting to DIY

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01-14-07, 08:37 PM

#18

istundra

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Quote:

Originally Posted by eddiec

Thanks Isrundra!

I would buy a Toyota backup camera from Japan Yahoo auction. Because Toyota and Lexus share the same supplier, I can get the same connector and almost the same camera but cheaper than to get it from Lexus.

US version uses DVD but JP one uses hard disk

Ahh i see. SO there is no place to remove the clock panel for the map disc like the USDM version?

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01-14-07, 09:18 PM

#19

tqlla3k

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Quote:

Originally Posted by eddiec

The Pre release Nav that I have is just like the regular USDM navigation. It just has several spelling/gui errors and screens that are different than the regular navigation. I plugged it into an IS350(which has stock NAV) and it worked flawless. All the plugs are the same

As for the antenna, I man GPS antenna.

We are trying to install the NAV system into my cousins IS250.

i also have a complete IS350 wire harness.

http://members.***.net/tqlla/PressNa...tecontrol1.jpg

Last edited by tqlla3k; 01-14-07 at 09:24 PM.

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01-15-07, 03:44 AM

#20

dat-is350

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o man i so want one!!! looks a lot cleaner than an aftermarket one...

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10-30-07, 06:57 AM

#21

unknown2

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nice work man!!

So, assume you found a complete US headunit on eBay.. What is reqiured to install a nav on it?? I'm not talking about the bluetooth or rear back.. I know i need a GPS antenna for sure (easy), but, what about the wiring and plugs??