10 Appendix III
106
WABCO Maintenance Manual MM-0112 (Revised 07-18)
10 Append ix III
E8 ESC End of Line Calibration
Procedure
This procedure is performed as part of the final assembly of the
vehicle at the manufacturing site. Also, this procedure must be
performed in the field by a trained technician if components are
replaced such as the Steering Angle Sensor (SAS), the Electronic
Stability Control (ESC) module or the ESC Electronic Control Unit
(ECU). This calibration should also be performed when a major
steering repair or replacement has taken place.
The process consists of two operations. The first one is the SAS
Calibration while the vehicle is stationary, followed by the ESC
Initialization while driving the vehicle. The status of the ESC End of
Line (EOL) procedure can be verified using one of the following
allowed faults.
앫 SAS not calibrated — SPN 1807, FMI 08
앫 ESC initialization required — SPN 520210 FMI 14
Additional faults must not be active. Any other faults must be
resolved before one of the main menu items is available.
NOTE: To prevent incorrect activations, SAS Calibration and ESC
Initialization must be done separately. It is necessary to perform the
SAS calibration prior to the ESC initialization.
For any questions or assistance, please contact WABCO North
America at 855-228-3203 or visit wabco-na.com for further details.
SAS Calibration
NOTE: The SAS Calibration must be done after a front wheel
alignment has been performed.
The E8 software version requires TOOLBOX™ Software version 12
or higher to communicate with the vehicle. Pneumatic ABS J1939
must be used to complete the end of line procedure.
In the Main Menu, select Pneumatic ABS (J1939), the ABS Main
Screen will appear. Figure 10.1 and Figure 10.2.
Figure 10.1
Figure 10.2
To access the ESC EOL:
앫 From the bar menu at the initial screen, click on the
“Components” button. A drop-down menu will appear. Select the
option “ESC.” Figure 10.3.
Figure 10.1
Figure 10.2
4012622a
4012623a
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