98 99 00 toyota sienna cluster question

[norbisko]

Hello m8

I have a cluster here from a sienna, I took it apart, and it looks like I have to desolder the connections for the display in order to get to the chip ? Is that the easiest and only way to do it ? I have heard there is a way of doing a dashboard with just 2 wires , the dash must be powered .

[norbisko]

Has anyone done one ?

[tachonow]

I think its impossible with just 2 wires.
The chip is 93c46 microwire. This 1 needs 3 wires for programming.
Only I2C 24cxx chips can be programmed with 2 wires incircuit.

[roth18]

Has anyone done one ?

I did one, the chip is 93C46 on the inside, solder wires and use clips use TU, port 0, selection Sienna.

[norbisko]

roth18, would you have pics on how to hook up the wires ?

[roth18]

roth18, would you have pics on how to hook up the wires ?

I don't have a pic on this one. Which means you don't need one. Take the speedo head out, mounted with screws. Than you will be able to see the EEPROM from underneath. Pin 1 that is all you need. Shorten the crystal too, just in case.

[XmoDDeR]

here are front and back pics , just did one today thought it could help someone . will be looking threw old post and adding pics and solutions . often its solved but solution never posted .http://www.digital-kaos.co.uk/forums/attachment.php?attachmentid=328747&stc=1http://www.digital-kaos.co.uk/forums/attachment.php?attachmentid=328748&stc=1