DIAGNOSTIC EVENT MANAGER | DEM | DEBOUNCE MECHANISM | AUTOSAR

This Video Covers the DEM(Diagnostic Event Manager ) Overview and debounce mechanism .
DEM module is responsible for diagnostic event processing and storing of event related data to memory and read event related data from memory and provide information to DCM module
There are three types of event debouncing mechanism provided by DEM module.
1. Time Based Debouncing
2. Counter Based Debouncing
3. Monitor Internal Debouncing
It also covers the basic about DTC Status Bytes , Operation Cycle and Event Aging.

DTC Status Bytes:
Bit 0 : Test Failed
Bit 1 : This Failed This Operation Cycle
Bit 2 : Pending DTC
Bit 3 : Confirmed DTC
Bit 4 : Test Not Completed Since Last Clear
Bit 5 : Test Failed Since Last Clear
Bit 6 : Test Not Completed This Operation Cycle
Bit 7 : Warning Indicator Requested

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