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a.
If communications are established, the HDT will display:
b. If communications are not established after 15 seconds, repeat this step.
If still unsuccessful there may be a problem with the private data bus.
Choose the symptom from Chapter 5 that best describes the original in-
strument system failure and follow the troubleshooting procedures.
3. Move the pointer to NAME and press the Select key. The HDT will display:
4. To see the names of the private data bus gauges the for which the Interface Mod-
ule has been programmed, use the Up and Down keys to scroll through the list.
5. To see the data the Interface Module is sending to a particular gauge, move the
pointer to that gauge's name and then press the Select key. After a few seconds
the HDT will display the name of the gauge and the value being sent to it:
VALUE and LED data should appear within 15 seconds. If not, the Interface Module is
not broadcasting data for the selected gauge. If this is the case, follow the trouble-
shooting procedures in Chapter 5.
6. To select another gauge, press the Return key to exit this display and return to
the gauge list, then repeat this procedure from Step 5.
7. When finished, disconnect the HDT.
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