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	<title>Audi A3 (8L) Brake Electronics (MK20) - Revision history</title>
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	<updated>2026-05-08T06:07:37Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://wiki.ross-tech.com/wiki/index.php?title=Audi_A3_(8L)_Brake_Electronics_(MK20)&amp;diff=5710&amp;oldid=prev</id>
		<title>Dana: Created page with &#039;__FORCETOC__  == Coding == &#039;&#039;Coding is well documented in the factory repair manual for this MK20 ABS system and is not available here at this time.&#039;&#039;  == Basic Setting == === Se…&#039;</title>
		<link rel="alternate" type="text/html" href="https://wiki.ross-tech.com/wiki/index.php?title=Audi_A3_(8L)_Brake_Electronics_(MK20)&amp;diff=5710&amp;oldid=prev"/>
		<updated>2011-04-16T02:07:14Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;#039;__FORCETOC__  == Coding == &amp;#039;&amp;#039;Coding is well documented in the factory repair manual for this MK20 ABS system and is not available here at this time.&amp;#039;&amp;#039;  == Basic Setting == === Se…&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;__FORCETOC__&lt;br /&gt;
&lt;br /&gt;
== Coding ==&lt;br /&gt;
&amp;#039;&amp;#039;Coding is well documented in the factory repair manual for this MK20 ABS system and is not available here at this time.&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
== Basic Setting ==&lt;br /&gt;
=== Sensor for Steering Angle (G85) ===&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;&amp;lt;u&amp;gt;Prerequisites:&amp;lt;/u&amp;gt;&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
* Start the vehicle.&lt;br /&gt;
* Turn the steering wheel one turn to the right and one turn to the left.&lt;br /&gt;
* Drive in a short distance straight line on a level surface at a speed not higher than 20 km/h.&lt;br /&gt;
* If the steering wheel is straight during the test drive then stop the vehicle with the wheels pointed straight.&lt;br /&gt;
* Ensure that the steering wheel is not moved again.&lt;br /&gt;
* Keep the engine running and do not switch off the ignition.&lt;br /&gt;
* System voltage at least 12.0 V.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Select]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[03 - Brake Electronics]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Coding-II - 11]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Enter 40168, to enable the basic setting.&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Do it!]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Basic Settings - 04]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Group 060&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Go!]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
After a successful basic setting, field 1 should say &amp;quot;OK&amp;quot;.&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Done, Go Back]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
To make sure the basic setting was successful, check the sensor again.&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Measuring Blocks - 08]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Group 004&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Go!]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Check field 1, the value has to be between -4.5 and +4.5 °.&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
=== Lateral Acceleration Sensor (G200) ===&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;&amp;lt;u&amp;gt;Prerequisites:&amp;lt;/u&amp;gt;&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
* System voltage at least 12.0 V.&amp;lt;br&amp;gt;&lt;br /&gt;
* Vehicle on level surface&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Coding-II - 11]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Enter 40168, to enable the basic setting.&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Do it!]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Basic Settings - 04]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Group 063&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Go!]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
After a successful basic setting, field 1 should say &amp;quot;OK&amp;quot;.&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Done, Go Back]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
To make sure the basic setting was successful, check the sensor again.&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Measuring Blocks - 08]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Group 004&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Go!]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Check field 2, the value has to be between  -0.5 and +0.5 m/s².&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
=== Brake Pressure Sender 1 (G201) and Brake Pressure Sender 2 (G214)  ===&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;&amp;lt;u&amp;gt;Prerequisites:&amp;lt;/u&amp;gt;&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
* System voltage at least 12.0 V.&amp;lt;br&amp;gt;&lt;br /&gt;
* Brake pedal not depressed.&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Coding-II - 11]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Enter 40168, to enable the basic setting.&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Do it!]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Basic Settings - 04]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Group 066&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Go!]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
After a successful basic setting, field 1 should say &amp;quot;OK&amp;quot;.&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Done, Go Back]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
To make sure the basic setting was successful, check the sensor again.&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Measuring Blocks - 08]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Group 005&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Go!]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Check field 1 (G201), the value has to be between -7.0 and +7.0 bar.&amp;lt;br&amp;gt;&lt;br /&gt;
Check field 2 (G214), the value has to be between -7.0 and +7.0 bar.&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
=== Longitudinal Acceleration Sensor (G251) ===&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;&amp;lt;u&amp;gt;Prerequisites:&amp;lt;/u&amp;gt;&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
* System voltage at least 12.0 V.&amp;lt;br&amp;gt;&lt;br /&gt;
* Vehicle on level surface&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Coding-II - 11]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Enter 40168, to enable the basic setting.&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Do it!]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Basic Settings - 04]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Group 069&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Go!]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
After a successful basic setting, field 1 should say &amp;quot;OK&amp;quot;.&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Done, Go Back]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
To make sure the basic setting was successful, check the sensor again.&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Measuring Blocks - 08]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Group 006&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;[Go!]&amp;#039;&amp;#039;&amp;#039;&amp;lt;br&amp;gt;&lt;br /&gt;
Check field 1, the value has to be between -0.5 and +0.5 m/s².&amp;lt;br&amp;gt;&lt;/div&gt;</summary>
		<author><name>Dana</name></author>
	</entry>
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