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. If you get the resistance value of 0ω congratz this terminal is working correctly.
3 Ways To Test A Relay Wikihow
How to test a 4 pin relay. Denso relay 4 pin wiring diagram. Relay test 4 with test light or light bulb. 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. 2 will connect to the control circuit and 2 will connect. This video shows you how an automotive relay works and how you can test it using an digital multimeter. Normally closed terminal nc contact.
Httpsamznto2kplxwf testing a relay is not as complicated as people think. How to test relay any relay voltmeter. How to test a relay and the relay circuit duration. Homie hektor 154131 views. You will need a 12v power supply or car battery and multimeter voltmeter. Off history help about.
Homie hektor 154488 views. United states restricted mode. No car wiring can be complete without these. Find and remove the relay. How to test a relay and the relay circuit duration. The relay will have 4 pins.
Place the multimeter one probe on nc terminal and other on com terminal of relay. Relays are the integral component of any car wiring. 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. This includes the com terminal the normally open terminal and if the relay is a double throw relay the normally closed terminal. Confirm the integrity of the relay load connections. Note the resistance values.
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. Find the relay characteristics. Take a multimeter and put it on the ohmmeter settings. The relay should not be tested while it is connected to the circuit. 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.
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.
Gallery of How To Test A 4 Pin Relay
