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Timer Handling in UDS | S3 Server Timer | P2 and P2 Start Timer
The document discusses various timers (p2, p2*, s3) used in Unified Diagnostic Services (UDS) and their interactions with requests and responses from a tester ECU. It outlines scenarios such as extended session requests, active session handling, and the management of positive and negative responses. Key details include timers' functionalities and specific response codes within the context of a UDS protocol framework.
Timer Handling in UDS | S3 Server Timer | P2 and P2 Start Timer
- 1. P2, P2*, S3 Timersin UDS By Kapil Thakar 0x03 0x22 0xF1 0x20 0x10 0x0B 0x62 0xF1 0x20 0x01 0x02 0x03 Initial 3 Bytes of Data linked with DID DID Length SID+ 40
- 2. P2, P2*, P4,S3 Timer Request First Pending / Final Response Pending Pending Tester ECU Final Positive Response / General Reject (0x10) NRC P2 Timer P2* Timer P2* Timer
- 3. P2, P2*, P4,S3 Timer Extended Session Request 10 03 Set Extended Session Successful: 50 03 Tester ECU S3 Timer S3 Timer Start S3 Timeout Read Active Session Active Session: Default
- 4. S3 Timer 0x02 0x100x03 SID Sub Function 0 0 0 0 0 0 0 1 Suppress Pos Resp Bit Sub Function data bytes Negative Response Indicator
- 5. P2, P2*, P4,S3 Timer Extended Session Request 10 03 Set Extended Session Successful: 50 03 Tester ECU S3 Timer S3 Timer Start S3 Timeout will not happen Read Active Session Active Session: Extended Tester Present S3 Timer Reset S3 Timer Reset
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