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b. If the HDT cannot read the configuration data, it will tell you so. First
repeat this procedure from Step 1 with the ignition off. If still unsuc-
cessful, one-at-a-time disconnect other devices that use the J1708 data
bus and repeat this procedure each time to isolate the faulty component.
4.
Press the Select key when the pointer is at NORMAL. The HDT will display:
5. Move the pointer to CONFIGURE and press the Select key. The HDT will display:
6. To view the configuration data in the Interface Module, move the pointer to
VIEW CONFIG and press the Select key. The HDT will display:
The HDT will a list of J1708 data bus gauge names followed by a list of non-J1708
data bus gauge names. Non-J1708 data bus gauge names will be followed by a high
warning value and a low warning value. The gauge names in the list may vary with
different configurations, and may not reflect the gauge configuration in the vehicle.
7. To see how a gauge's warning LED is configured, move the pointer to the de-
sired private data bus gauge name and press the Select key. (If a J1708 data bus
gauge name is selected, pressing Select does nothing.)
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