| 摘要 |
<p>PROBLEM TO BE SOLVED: To respond addition or erasion of ECUs easily synchronously among the ECUs, when an on-vehicle communication network requires cycle as in a turn hazard function. SOLUTION: A slave ECU 12 that has received a switch 20 signal from a master ECU 11 controls flashing of a lamp load 16 connected to itself, and transmits a message telling a start of lighting and a message telling lighting-out onto a communication line 101. The other slaves ECU 13, 14, 15 control flashing of lamp loads 17, 18, 19 connected to respective slaves synchronously with a set of messages of 'start of lighting' and 'lighting-out' transmitting on the communication line 101. When there are a plurality of messages of 'start of lighting' and 'lighting-out', the slaves synchronize with the last message.</p> |
