Wiring Diagram Symbols For Display. Toyota wiring diagrams show harness connectors from the open end. There are different country specific standards iec british ansi and as australian standard that define the symbols used in circuit diagrams.
There are several other electrical wiring symbols used in residential and commercial wiring but the above list of symbols are the important ones. C2b is the connector in the module itself so bcm connector c2bpic attached so you can put it all together. Note the switch symbol displays an open or closed circuit path which is what an actual switch performs.
Common schematic drawing symbols plug male socket plug female coax plug male slow operating relay delay on wire connections two wires wire connections crossed wires crossing not connected terminal connector terminal block earth connection noiseless earth protective earth chassis earth equipotentiality ammeter voltmeter circuit breaker.
Most symbols used on a wiring diagram look like abstract versions of the real objects they represent. Automotive electrical diagrams provide symbols that represent circuit component functions. Line junction a line represents a wire. Basics 8 aov elementary block diagram.