WABCO TEBS E - Calibration for Vehicles with Mechanical Suspension

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TEBS E Start-up
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If the calibration was unsuccessful, make sure that the height sensor is in-
stalled properly. Change the lever length if necessary. Adjust the up-
per/lower level. Then repeat the calibration.
Calibration ‘Input of mechanical values’
Application: For calibration of vehicles of the same type (series).
For this mode of calibration only the length of the lever on the ECAS height sensor
is entered (between height sensor fulcrum and linkage anchor point) and the dis-
tance to upper and lower level in mm relative to normal level I. The value ‘Angle of
rotation/compression travel’ is calculated automatically. Then normal level I needs
to be calibrated.
– Press the Start calibration button.
– Enter the lever length between ‘height sensor’ fulcrum and anchor point of the
‘linkage’.
– Enter the deflection to upper and lower level.
– Enter the vehicle height (height of the load surface or height of the upper edge
of the vehicle frame).
– Confirm with OK.
– Adjust the vehicle to normal level I using the Lifting/Lowering buttons.
– Press the Save normal level button.
 If the calibration was successful, a corresponding message appears.
If the calibration was unsuccessful, make sure that the height sensor is in-
stalled properly. Change the lever length if necessary. Adjust the up-
per/lower level. Then repeat the calibration.
Calibration ‘Load calibration data from file’
Application: Recommended for large series production.
Calibration data is determined using a sample vehicle and saved with Write calibra-
tion data to file. Data can be saved directly to a *.ECU parameter file. This data is
then read out during the calibration and written to the ECU. A separate adjustment
to the level is not required. The prerequisite for this is that the position of the height
sensor, the lever length as well as the length of the linkage to the axle are identical
in all vehicles.
– Press the Start calibration button.
– Choose Load calibration data from file from the file window.
 If the calibration was successful, a corresponding message appears.
Following calibration of the 1st axle, repeat the calibration process for the 2nd axle.
9.4.1 Calibration for vehicles with mechanical suspension
In the case of vehicle
s with mechanical suspension, the height sensor must be
calibrated.
– Check in advance that the lever length of the height sensor is 100 mm and that
the vehicle is unladen.
– In the TEBS E Diagnostic Software, select mechanically suspended.
The unladen vehicle is defined with compression travel 0 mm (no entry neces-
sary).
– After selecting the type of suspension enter the Suspension path laden [mm]
and 100 mm for the Height sensor lever length [mm].
– Click on Calibrate the height sensors for axle load, to perform the calibration
with an unladen vehicle.
– Enter the current axle load of the axle in field Current axle load for axle c-d.
– Click on button Calibrate height sensor axle c-d.
 If the calibration was successful, a corresponding message appears.