80-J4866-2 Rev. G
MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION
14-3
Vehicle Maintenance Installation
Vehicle Maintenance System Verification
Vehicle Maintenance System Verification
Refer to the following MDU screens to verify vehicle maintenance:
1.
Go to the Vehicle Data Service (VDS) status screen. Tap the
Home
key and scroll down
to the
System
icon. Tap the
System
icon and tap the
VDS
tab.
Various screen fields are described below.
With the ignition ON, verify the following on the VDS (Status) screen:
• The J1939 light is green. This confirms that the J1939 is enabled for the unit. The
Rcv value should be constantly increasing.
- If the J1939 light is red, there is an error.
- If the J1939 light is black, the unit is not enabled for J1939.
• The Brake light is green if the parking brake is engaged.
• The Ignition light is green during this test.
Field
Value
RCV
These are the packets of data being received on the data bus.
XMT
These are the packets of data being received on the data bus as requested
(transmitted) packets.
MSG
These are the packets of data being received on the data bus that are of longer
length than the normal data packet size.