How to test a relay and the relay circuit duration. The relay should not be tested while it is connected to the circuit.
Power Relay 4 Pin Spst No 25 Amp 120 240v
How to test a 4 pin relay. Homie hektor 154488 views. Denso parts are often used in japanese assembled cars including cars manufactured by renowned brands like toyota honda mitsubishi suzuki mazda daihatsu and several others. Confirm the integrity of the relay load connections. Relay test 2 listen for a click supply 12 volts power to 86 ground to pin 85 you will hear 87 to 87a closing click. Note the resistance values. Relays are used to bypass signal wire and directly supply current from battery thus your car wiring remains safe from heating up and burning due to the load of heavy components.
Test the relay contacts with an ohmmeter besides the coil terminals you then can check to see if the the other terminals are good as well. You will need a 12v power supply or car battery and multimeter voltmeter. Relay test 3 supply power to 86 and gnd to 85 this circuit energized now check for resistance between pins 30 and 87 set meter to 2000 ohms look for little or 0 resistance. Httpsamznto2kplxwf testing a relay is not as complicated as people think. Normally closed terminal nc contact. United states restricted mode.
Homie hektor 154131 views. No car wiring can be complete without these. Place the multimeter one probe on nc terminal and other on com terminal of relay. This includes the com terminal the normally open terminal and if the relay is a double throw relay the normally closed terminal. Relay test 4 with test light or light bulb. Find the relay characteristics.
How to test a relay and the relay circuit duration. This is the easiest way to do it out of the car and the only way it should be done. How to use a multimeter for beginners how to measure voltage resistance continuity and amps. Denso relay 4 pin wiring diagram. The relay will have 4 pins. If you get the resistance value of 0ω congratz this terminal is working correctly.
How to test relay any relay voltmeter. Off history help about. This video shows you how an automotive relay works and how you can test it using an digital multimeter. Take a multimeter and put it on the ohmmeter settings. 2 will connect to the control circuit and 2 will connect. Find and remove the relay.
Relays are the integral component of any car wiring.