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Diagnostics
System Monitoring
SHC Terminal
The SHC Terminal can be accessed from Main
Menu, Controls Tab and SHC Terminal. Figure 4.7.
Figure 4.7
The SHC Terminal displays the status of the
suspension system as follows. Figure 4.8.
•
Air spring pressures
•
Current suspension height
•
Direction of suspension movement
•
SHC solenoid status
•
Height sensor and selector switch voltage
•
Issue height commands (SHC systems with
CAN based controls only)
NOTE: The values displayed are only valid when
the system is operating in the Normal Operation
mode (i.e., not Manual Control).
Figure 4.8
Page 18
Fault Code Retrieval
The System Diagnostics utility can be accessed
from the Main Menu by choosing the Maintenance
Tab and then System Diagnostics. Figure 4.9.
4008034a
Figure 4.9
A primary function of the utility is fault code
retrieval. This screen also provides the means for
clearing of fault codes. Figure 4.10.
Figure 4.10
The SHC module broadcasts two types of faults,
active faults and stored faults. Active faults indicate
a fault condition that is currently occurring. Stored
faults indicate a fault that may have occurred
during some point in the past.
The MIL, RED, AMB, PRO indicators display which
dash lamp codes the SHC module is broadcasting.
4008035a
Meritor Maintenance Manual MM-0997 (Revised 12-09)
Section 4
4008036a
4008037a
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Table of Contents
Troubleshooting
