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DRB-II Test Functions: Notes

NOTE: DO NOT  touch DRB-II keypad during DRB-II power-up sequence, or an ERROR message will result.
  1. To access fault code descriptions, and perform diagnostic tests using DRB-II, DRB-II must be in the CHARGING MENU display. To reach CHARGING MENU, turn ignition off. Attach DRB-II to engine diagnostic connector. Engine diagnostic connector is located in engine compartment, behind battery and near end of PCM.
  2. Turn ignition switch to RUN position. All DRB-II character positions will illuminate and copyright information will appear on screen for several seconds. If DRB-II screen is blank or any error messages appear, refer to DRB-II PROBLEMS & ERROR MESSAGES under SELF-DIAGNOSTIC SYSTEM.
  3. After several seconds DRB-II menu will appear. At DRB-II menu, press "4" (SELECT SYSTEM) key. Press ENTER key. At SELECT SYSTEM menu, press "1" (ENGINE) key. Press ENTER key. DRB-II menu will appear, indicating engine year and size, type of transmission and PCM part number.
  4. After several seconds AIR COND menu will appear. Press "1" (WITH A/C) or press "2" (WITHOUT A/C). DRB-II display will change to ENGINE SYSTEMS menu. At ENGINE SYSTEMS menu, press "2" (CHARGING) key. Press ENTER key.
  5. Display will change to CHARGING MENU. At CHARGING MENU of engine diagnostic program, specific test functions programmed into DRB-II can be performed. The following DRB-II modes can be accessed: READ FAULTS, STATE DISPLAYS, ACTUATOR TEST and ADJUSTMENTS.