XGAUGE CODING INFORMATION
The purpose of this document is to explain the way data is used in the XGauge function in the ScanGaugeII.
TXD
The TXD field contains the command to transmit. It also seconds as the trip indicator when used to define a trip value as a gauge. If the first character is a space, this XGauge memory is not in use. Entries must be an even number of characters. If an odd number is input, a “0″ is padded to it.
NON-CAN TXD
In non-CAN use, the first 3 bytes are used to designate the priority, send-to address and the ScanGaugeIIs address. These will be different depending on the required command. If the command is “legislated” or standard, the command will be different than if it is “non- legislated” or OEM defined. “non-legislated” are typically Mode 22 requests.
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