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