Note the resistance values. 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.
Us 11 97 43 Off 12v 4 Pin 5 Pin Electronic Automotive Relay Tester Universal Relay Testing Tool Portable Auto Parts Auto Battery Checker A30 On
How to test a 4 pin relay. You will need a 12v power supply or car battery and multimeter voltmeter. Relays are the integral component of any car wiring. Homie hektor 154131 views. Find and remove the relay. Httpsamznto2kplxwf testing a relay is not as complicated as people think. Place the multimeter one probe on nc terminal and other on com terminal of relay.
Denso relay 4 pin wiring diagram. How to use a multimeter for beginners how to measure voltage resistance continuity and amps. 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. How to test a relay and the relay circuit duration. Homie hektor 154488 views. United states restricted mode.
This video shows you how an automotive relay works and how you can test it using an digital multimeter. 2 will connect to the control circuit and 2 will connect. This includes the com terminal the normally open terminal and if the relay is a double throw relay the normally closed terminal. Find the relay characteristics. 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. How to test relay any relay voltmeter.
Take a multimeter and put it on the ohmmeter settings. This is the easiest way to do it out of the car and the only way it should be done. The relay will have 4 pins. If you get the resistance value of 0ω congratz this terminal is working correctly. Normally closed terminal nc contact. Relay test 4 with test light or light bulb.
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. How to test a relay and the relay circuit duration. 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. Off history help about. No car wiring can be complete without these. The relay should not be tested while it is connected to the circuit.
Confirm the integrity of the relay load connections.
Gallery of How To Test A 4 Pin Relay
