When, now, the door opening control switch 22 of the controlling device B is closed by, for example, a passenger in the vehicle, {HEAD ~ the relays} R4 and R5 are simultaneously energized causing {TAIL ~ the normally open contacts} R4 2 and R5 1 to close and the normally close contacts R4 1 and 
are simultaneously energized causing
When , now , the door opening control switch 22 of the controlling device B is closed by , for example , a passenger in the vehicle , { HEAD ~ the relays } R4 and R5 are simultaneously energized causing { TAIL ~ the normally open contacts } R4 2 and R5 1 to close and the normally close contacts R4 1 and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH