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79 lines
3.0 KiB
Markdown
79 lines
3.0 KiB
Markdown
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---
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title: Toyota Touch 2 Firmware Update
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language: en
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layout: default
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created: 2017-10-21 20:00:00 +0200
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updated: 2017-10-21 20:00:00 +0200
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toc: false
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tags:
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- know-how
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- hacking
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- toyota
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- touch
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- touch&go
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- touch2
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- firmware
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- software
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---
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What unit do I have?
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====================
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Recent Toyotas have a unit called "Touch 2" or "Touch&Go 2" in their middle console. Problem is:
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you can't differentiate between them easily. Actually, the "Touch 2" is what you see when sitting
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in your car. The "Touch&Go 2" is the same base unit, but with an extra processor and software
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module stuck on its back. The "Go"-part will completely replace all features of the "Touch", but
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still use the same display and controls. Like replacing the computer tower under your table but
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keeping the same display, keyboard and mouse. That's why "Touch&Go" units show different screens
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than the "Touch"-only units.
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If your device has navigation, that comes from the "Go"-part and this update isn't for you as you
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can't update the "Touch"-part easily because the USB-socket now goes to the "Go"-unit. Also it
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wouldn't do much for you, as the "Touch"-unit is disabled anyways.
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Preparation
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===========
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To do the update, you need your VIN and an empty USB stick with at least 1GB space total.
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Head over to [this website](https://www.toyota-tech.eu/CAL/VINDecode.aspx) and create a free
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account (or login). Enter your VIN and the _Bulletin ID_ **BE-0044T-0415**. You should get one
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result like this:
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Download the file, unpack it and you should get a file `13TXDAEU-CA42_9999.kwi`.
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Format your USB stick with FAT32 format and put the extracted file on it. Nothing else.
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The Update
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==========
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1. Turn on the ignition (Don't start the car.)
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1. Wait until the radio screen comes on
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1. Remove all USB sticks and/or CDs from your headunit
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1. Press and hold the <kbd>MEDIA</kbd> key and while holding it, turn on and off the low beams
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3 times in a row. A service menu should appear. Let go of the <kbd>MEDIA</kbd> button now.
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1. Tap on "Service Information".
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1. Tap on "Program Update".
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1. Connect the USB stick with the firmware file.
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1. Tap on "OK". A message about a detected update media should appear.
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1. Tap "OK" again. A screen "ECU Selection" with only one entry should appear.
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1. Tap "Select" for the one entry.
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1. To start the actual update, tap "OK".
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1. **WAIT!** Until the blue bar fills up and **turns green**.
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1. Tap "OK".
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1. With leaving the USB stick plugged in and not touching anything else: Turn off the ignition.
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1. Turn on the ignition again. (Don't start the car.)
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1. Wait until the radio screen comes on (might take a little longer this time).
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1. Remove the USB stick.
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1. Turn off the ignition.
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1. **WAIT** for about 30 seconds or more. (I was able to hear the device's fan turning off after
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about 25 seconds. So 30 seconds should be safe.)
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1. Turn on the ignition (Don't start the car.) and **WAIT** again. The headunit should boot with
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the new software version.
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1. Done.
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