1.Switch your MFA switch to position 2
2.Switch your car to "ON" (Don't start it!)
3.Press and hold the mode button
4.Turn the key to "Off", then back on.
5.Release the mode button.
6.Start the car and drive
You now get these values:
-Test checksum of programmed bytes in memory
-intake manifold vacuum (mbar)
-signal from speed sensor
If for any reason your ambient sensor goes bad or the wiring goes bad, the mfa will skip over this option. I would assume its the same for the rest of the sensors.
Using vag com to change the settings: US vs EU readings
After selecting control module [17-Instruments];
1- Under "Advanced Functions", select [Recode-07]
2- Make a note of the 5-digit number in the "Software Coding" box in case you need to reset it. The third digit is the country code and will be the one that is changed. Do not change any of the other numbers, and do not change the workshop code.
3- Enter the new third digit, select [Do It!].
The available codes are:
1 - Europe (24 hour clock, metric units, °C)
2 - USA (12 hour clock, Imperial units, °F)
3 - Canada (12 hour clock, metric units, °C)
4 - Great Britain (24 hour clock, Imperial units, °C)
5 - Japan (24 hour clock, metric units, °C)
Note: Japanese gas mileage is calculated differently than other metric countries.
6 - Saudi Arabia (24 hour clock, metric units, °C)
7 - Australia (24 hour clock, metric units, °C)
Europe, Saudi Arabia and Australia appear to all have the same display results.