Steps for enable DIAG for the ICM
you have to modify adcmctl.sh script using vi editor
Replace line :
Steps for enable the Debug Service
Login with System Administrator responsibility
Navigate to Concurrent / Manager /Define
Query manager with name "Debug Service"
Tick the "Enabled" checkbox if not yet ticked
Once completed these two steps, required to bounce the concurrent managers
adcmctl.sh stop apps/password
wait for all your concurrent process to complete, you can monitor using
ps -ef|grep -i fndlibr
All CM process completed, start your CM
adcmctl.sh start apps/password
Please don't forget to switch it off after the debug information has been generated.