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Entering On-Board Diagnostics: Notes

  1. Before entering on-board diagnostics, see PRETEST INSPECTION. Turn ignition off. Attach appropriate 1993 cartridge to DRB-II. Connect DRB-II to CCD bus diagnostic connector. See Figure .
  2. Turn all accessories off. Turn ignition on. All character positions will glow and copyright information will appear on DRB-II screen for a few seconds. Display will then change to DRB-II menu.
  3. If DRB-II displays an error message or screen is blank, see BODY CONTROL COMPUTER - VEHICLE COMMUNICATIONS tests. Always start at TEST 1A: FAULT MESSAGES.
  4. Following DRB-II modes are accessible from DRB-II menu: VEHICLES TESTED, HOW TO USE, CONFIGURE and SELECT SYSTEM.
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