ESP System Function Test - Ross-Tech Wiki.pdf

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ESP System Function Test - Ross-Tech Wiki
http://wiki.ross-tech.com/wiki/index.php/ESP_System_Function_Test_...
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ESP System Function Test
From Ross-Tech Wiki
(Redirected from ESP System Function Test (Conti/Teves))
Contents
1 General
2 Prerequisites
3 Instructions
4 Notes
5 Video Link
General
The ESP System Function or Road Test serves to check the Plausibility of the Signals
from the Lateral Acceleration Sensor (G200), Rotation Rate Sensor (G202) and Brake Pressure Sensor
(G201).
The ESP System Function Test should be performed after all major work on the Brake System, in some
cases the Brake Electronics Control Module (J104) may automatically require this Function Test and set
the correlating Fault Code 01486.
Once the Function Test has been started it cannot be cancelled and must be successfully finished.
The Diagnostic Tool should NOT need to be connected while performing the Function Test.
If you are experiencing Problems getting the Function Test carried out please contact us directly
(http://www.ross-tech.com/contact.html) ,
our Techs have a
vast Experience
with this Subject and will gladly assist you with the Process.
;-)
Prerequisites
Vehicle stationary
Ignition ON, Engine ON (Running)
Perform the Test Drive on an enclosed Site (i.e. a Parking Lot)
Make sure to Complete the Function Test within 50 Seconds after pressing the Brake Pedal
Instructions
Firmly press the Brake Pedal until a certain Brake Pressure (usually right above 30 bar) is
reached.
Brake Pressure Sensor (G201) Plausibility will be confirmed by a Change in the Brake Electronics
Warning Lights.
1z2
2011-10-05 20:59
ESP System Function Test - Ross-Tech Wiki
http://wiki.ross-tech.com/wiki/index.php/ESP_System_Function_Test_...
On
Bosch,
the ASR/ESP Warning Light (K155) will switch OFF and the ABS Warning Light (K47)
will switch ON.
On
Continental/Teves,
the ABS Warning Light (K47) will switch OFF and the ASR/ESP Warning
Light (K155) switch ON.
Start Driving straight with a steady Speed of ~20 km/h (~13 mph).
Turn the Steering Wheel either Left or Right between a 90° Angle (1/4 Turn) to 180° Angle (1/2
Turn) and keep it steady.
Lateral Acceleration Sensor (G200) and Rotation Rate Sensor (G202) Plausibility is confirmed
once the remaining Brake Electronics Warning Light(s) switch OFF.
The Function Test is now completed.
Notes
When Driving, make sure the general Speed is between 15 to 30 kph (9 to 18 mph).
The Turn should be done at a Rotation/Turn Rate of ~10 °/s which can be achieved with a
Turning Radius of 10 to 12 Meters (30 to 40 feet) with a Speed between 15 to 30 kph (9 to 18 mph).
You may experience Variations in the Warning Light Behavior depending on the individual Brake System
Generation,
this is no Reason to be concerned as long as you follow the General Procedure.
Video Link
http://www.youtube.com/watch?v=7AVPRj2BNuc
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/ESP_System_Function_Test"
Unless otherwise noted, all content on this site is Copyright © 2000-2010 by Ross-Tech LLC. All rights reserved.
"VCDS" is a Registered Trademark of Ross-Tech, LLC.
Ross-Tech is not affiliated with the Volkswagen Group in any way.
2z2
2011-10-05 20:59

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