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