Message Signal Type
The Signals in Message area at the bottom of the Messages Editor provides different ways to change the Signal Type:
Click in the Signal Type column and make a pulldown list selection.
Double click on blue signal bits to open the Edit Signal dialog (Figure 1).
The Edit Signal dialog customizes itself based upon the Signal Type selection. Table 1 briefly describes each Signal Type and gives a few examples. Click on a Signal Type name to see further details for that type.
Table 1: Signal Types
Signal Type | Description | Examples |
---|---|---|
Continuous numbers. | Engine RPM, Coolant Temperature, Throttle Position, Vehicle Speed | |
Binary, boolean, on/off type information. | Park Brake Active, Cruise Control Active, Door Ajar | |
List of text descriptions which equate to specific values. | Transaxle Shifter State (PRNDL), Power Mode | |
ASCII text information. | VIN, Message Center | |
Diagnostic trouble code. | Trouble codes stored in ECUs such as: "P0142 - 02 Sensor Circuit Malfunction" | |
GMLAN | GMLAN signal types cannot be created manually. They are automatically generated from GMLAN databases that contain USDT and UUDT diagnostic messages. | |
ODI | ODI signals cannot be created manually. They are automatically generated from .fuclass files. |
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