Speed Control Menu

In order to perform cruise control system tests using DRB-II, the DRB-II must be in the SPEED CONTROL MENU. At SPEED CONTROL MENU, fault codes and DRB-II test functions can be accessed.
To reach SPEED CONTROL MENU, turn ignition off. Connect DRB-II to engine diagnostic connector. Connector is located in engine compartment, near SBEC. Turn ignition switch to RUN position.
NOTE: DO NOT touch DRB-II keypad during DRB-II power-up sequence or an error message will result.
All DRB-II character positions will illuminate and copyright information will appear on screen for a few seconds. If DRB-II screen is blank or any error messages appear, refer to DRB-II PROBLEMS & ERROR MESSAGES.
After a few 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, size, type of transmission and SBEC part number.
After a few 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 "3" (SPEED CONTROL) key. Press ENTER key.
Display will change to SPEED CONTROL. At SPEED CONTROL MENU, specific test functions programmed into DRB-II can be performed. The following DRB-II modes can be accessed: SYSTEM TEST, READ FAULTS, STATE DISPLAYS, ACTUATOR TEST and ADJUSTMENTS.

NOTE: For more information on DRB-II test functions, see DRB-II TEST FUNCTIONS in appropriate G - TEST W/ CODES article in the ENGINE PERFORMANCE Section.