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DRB-II Read Output States

This mode on DRB-II allows technician to read output states of speed control vacuum solenoid, purge solenoid, A/C clutch relay, radiator fan relay, ASD relay, check engine light, speed control vent solenoid and EGR solenoid. DRB-II will display ENERGIZED or DE-ENERGIZED as SBEC senses component status changing.