Familiar with the functions of automotive relay switches
2022-06-10
The automobile relay switch is the key to controlling the on and off of the circuit. The main switches in the circuit often gather many wires, such as the ignition switch and the main light switch. When reading the diagram, you should pay attention to five issues related to the switch:
1. Among the many terminals of the switch of the automotive electronic controller, pay attention to which ones are connected to the power supply. Which ones are connected to electrical appliances? Are there wiring symbols next to the terminals and are they common?
2. The switch has several gears. In each gear, the car relay, switch, function, and which terminals are energized. Which ones are out of power.
3． What path does the battery or generator current take to reach the switch? Does it pass through other switches and fuses in the middle? Is the switch manual or electronically controlled?
4. Each switch controls which electrical appliance. What are the functions and functions of the controlled electrical appliances.
5. Among the accused automotive appliances. Which electrical appliances are in the car relays and switches, and which functions are normally on, and which circuits are in short-term on. Which ones should be connected first and which ones should be connected last. Which should work alone. Which should work simultaneously. Which appliances are allowed to be switched on at the same time.
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