SELECT SYSTEM Mode
- This mode enables technician to select system to be diagnosed. At DRB-II menu, press "4" (SELECT SYSTEM) key. Press ENTER key. DRB-II will display SELECT SYSTEM menu.
- At SELECT SYSTEM menu, press "3" (BODY) key. Press ENTER key. DRB-II should display BUS TEST IN PROGRESS, BUS OPERATIONAL. After a moment, SELECT MODULE menu should appear.
- If a bus failure message appears during BUS TEST IN PROGRESS, proceed to VEHICLE COMMUNICATIONS tests. Always start at TEST 1A - FAULT MESSAGES .