ISO 11992-4 PDF
ISO is a CAN based vehicle bus standard by the heavy duty truck industry. It is used for ISO Part 4: Diagnostic communication. Reference number. ISO/FDIS (E). STANDARD. ISO/FDIS. DRAFT. RECIPIENTS OF THIS DRAFT ARE INVITED TO. ISO. First edition. Road vehicles — Interchange of digital information on electrical connections between towing and towed vehicles —.
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Bits that are not supported by the server shall isoo set to 0. For the communication between road vehicles and their towed vehicles the restrictions described in this clause shall 1192-4 in addition. Circuit current out of range 1D16 This sub type is used for failures, where the server measures a current outside the 119922-4 range but not identified as too high or too low.
DTC confirmation and ageing criteria are defined by the vehicle manufacturer or mandated by On Board Diagnostic regulations. Temperature control cooler, heater, Missing calibration This sub type is used by the server to indicate, that an operational range etc.
You can help Wikipedia by expanding it. Signal compare failure This sub type is used for failures where the server compares two or more input parameters for plausibility. Server response after server indication failed.
BS ISO 11992-4:2014
Application layer for brakes and running gear ISORoad vehicles — Interchange of digital information on electrical connections between towing and towed vehicles — Part 3: Unsourced material may be challenged and removed. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The service execution is not possible with the given service request parameters. The server does not support the requested service. Signal plausibility failure This sub type is used for failures where the server detects plausibility failures.
General failure information sub type description 64? Figure 6 — A-PDU timing diagram confirmed services — functional target address 4? The PDU1 type message format shall be used for diagnostic communication between a road vehicle and its towed vehicles.
F18D16 SupportedFunctionalUnits This value shall be used to request the functional units implemented in a server. NOTE For the diagnostic communication, the network layer protocol is used even if less than 8 bytes are transmitted SingleFrame transmission. 119922-4 Service indication primitive to server application. The service or service primitive parameter can be present, based on certain criteria e.
Component or system operation obstructed or blocked This sub type is used for failures where the server has detected that the operation of a component is prevented by an obstruction, e. Incorrect has too few pulses This sub type is used for failures where the server measures too few pulses e. This bit shall be set to ‘1’ and latched if a malfunction is DTC failed on the current or previous detected during the current monitoring cycle. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
Signal erratic This sub type is used for failures where the signal is momentarily implausible not long enough for “signal invalid” or discontinuous. DTC status bits are specified in Annex B. This information shall be at least provided by the interfaces in the towing and towed vehicles.
This information should be provided by all servers.
ISO – Wikipedia
Invalid serial data received This sub type is used by the server to indicate a signal was received with the corresponding validity bit equal to “invalid” or post processing of the signal determines it is invalid. Articles lacking sources from February All articles lacking sources All stub articles.
Reset to ‘1’ after a call to ClearDiagnosticInformation. The monitoring of the application layer timing shall be performed by the client and server application layer entities.
The client shall then reset the time outs and enter the WS state again.