DRB-II Read Output States

This state on DRB-II allows technician to read output states of speed control vacuum solenoid, purge solenoid, Part Throttle Unlock (PTU) 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 SMEC senses component status changing.