how to test a starter relay

Here’s the list of the best scientific calculator app for android for you, if you are a student or an engineer or need to calculate large scientific calculation which is more time consuming and unnecessary to do manually. And, you only need a few tools. General and most common faults found in starter relay are at: i) Coil: (conditions- burnt coil, broken connection), ii) Movable contact: (condition- lost its movability, carbon covered/rusty contact due to sparks), Pinout diagram with the notation: NC: Normally closed NO: Normally opened COM: Common C1/C2: Power supply to the coil, (just keep in mind that types of relay differ only on the basis of the number of terminals but the actual principle of working is same i.e principle of electromagnetism). Take the voltmeter and simply touch its red lead with a positive post of battery. From this image check the similar match relay. Disconnect the power to … On a remote … Testing a starter relay is fairly simple because of its position in the engine bay. Place the other probe on the connection leading to the ignition switch circuit( the black and thin wire). or (NC terminals) Connect your multimeter probe to the terminals (87a & 30), if the Buzzer sounds, means relay movable contact is fine, otherwise it is faulty. Depending on the circuit it controls, the relay may be located under the dashboard or inside the engine compartment in a … Step 1. You can also bench test both the starter solenoid and the starter motor. I'll explain them step by step. If turn on the ignition switch, there’s a single or a series of weak clicks, you will have to test it for electrical resistance. They’re small components but make the primary circuit that supplies power to the main starter system. Top 9 Best Scientific Calculator App Android – 2021, Top 7 Circuit Simulator App for electronics engineers in 2020, Where to buy electronic components online? Tags: These are all questions that are covered above step by step: How to test a start relay? Materials You Will Need. in 2020, What is an LED driver? The next step, if the battery tested well, is to test the voltage at the solenoid. You will find the resistance of the relay coil. How to Test Starter Relays. A starter relay may be bad if you see the following symptoms. If you turn the ignition key to the ON position, there is a small electric current that passes through the solenoid. Voltage drop test the starter battery and Ground circuits. If the Buzzer does not ring this means that your coil is faulty. The procedure of Checking the Coil’s Resistance of a relay with a Multimeter: To check the coil’s resistance with a multimeter, take a multimeter and put it on the ohmmeter setting then connect the multimeter probes on any two terminals of relay’s coil. This is a simple multimeter test. starter solenoid is passing. Continuity mode Step1: The two probe of multimeter and the coil terminals 85-(C1) & 86-(C2) are to be connected as shown.If the buzzer ring then your exciter coil is ok (check above images). Locate the two input and output terminals present on the starter solenoid. [ important: You must refer to the datasheet of this devices before concluding to a result. That means you may need to replace both if you find the solenoid is bad. Connect the test light to the output terminal as the … In order to check if the starter solenoid is working properly, you can connect a test light to it. Keep your connections in place from the first test, and simply disconnect the back probe from the positive terminal on the battery. You do not need to lift the car or to dismount many parts. When you turn the key to start your car, you are activating the ignition switch. Once you turn the key or press the starter button, it will send a signal to the starter relay, making the current flowing through the relay’s coil. Ask your helper to turn on the ignition as you read the multimeter. Connect the wire between the battery lead and the ignition circuit lead. There are a few methods to check whether the start relay is working fine or not. The voltage should read 12 volts. Or you can test the available battery to ensure it’s at 12V and is not the source of the problem. Step 3 - Check for Bad Start Relays. Locating the Starter Solenoid Open the hood of the vehicle. You would need to inspect the leads and clean them out. Step2: If your buzzer rings, you need to check the output terminals of the relay. The most obvious symptom is a completely silent car that does not respond when you turn the ignition key. Connect your multimeter probe to the terminal contact(NO & COM) if the Buzzer do not ring this means that contact terminal is ok, otherwise, it is faulty, OR Connect your multimeter probe to the terminal contact(NC & COM) if the Buzzer ring this means that contact terminal is OK, otherwise, it is faulty. Set your multimeter to be on the Ohms scale. If … Your email address will not be published. The starter motor is one piece of the starting system in your vehicle. The starter solenoid (also called the starter relay) relays a large electric current to the starter motor. It gets the power from the battery. To find the cause of the problem, you would need to carry out a series of tests on the starter relay circuitry. In conclusion, the relay is an “electromagnetic switch” for controlling high current devices with the low current circuit. (NO terminals) Connect your digital multimeter probe to the terminal (87 & 30), if the Buzzer does not ring this means that the contact terminal is working fine, otherwise, it is faulty. if the buzzer ring then your Electromagnetic coil is OK. Once the relay has been identified, gently grasp or touch the relay in question, have a helper turn the … Remove the connectors of the relay Remove the protective cover of the compressor and remove the relay. (Scroll down for explanatory video). Step 1. If it’s more than that, the starter relay is faulty and needs to be replaced. Touch the red wire (battery) connection on the solenoid with the red meter probe, and the other main connection that has a small strap going to the starter motor (no wire). Relay a device that drives high power circuit with the help of the low power circuit, a relay is necessary for the circuit where we have a small current it and need to drive high current applications. Fortunately, you can isolate and troubleshoot each component to quickly determine which component is causing your Nissan not to start … Use a circuit tester to see if the current is getting to the solenoid. Connect your multimeter to the main connectors on the solenoid and set your multimeter to a resistance test. The solid state relays can be easily tested by removing it from the compressor and shaking it. Insert the multi-tester with one probe on each of the "s" and "m" terminals. This list is updated for the year 2021 as these are the better apps ‘performance-wise’ are found […], Looking for a circuit simulator app for android phones? Intermittent issues starting the vehicle. Testing Coil Relays Determine the coil requirements of the relay. Once you’re done with checking the car battery, disable the engine so that things don’t move while you’re working. The reading should be less than 5 Ohms. If even after cleaning the terminals the reading remains high, the starter relay needs to be taken out and replaced with a new one. Our team has observed that some motorbikes/ mopeds which are available in the market have starter relay problem more often Yamaha’s starter relay is at top. Then connect the Red and Black probe of the multimeter to the coil of the relay: Along with it, NO and COM contacts must show 0 Ω, which means it is open-circuited when no input is given. Still, it could be a case of a failing battery that’s not sending enough current and that needs to be replaced or charged. Troubleshoot any particular relay in your car and find out whether you actually need to replace it. Test that the starter motor is receiving the START signal from the ignition switch. When a faulty solenoid is suspected, the first step to test a starter solenoid is actually to test the battery. Therefore, the circuit is opened. It is very commonly used in motorbikes and cars to drive the ignition. You do not need to lift the car or to dismount many parts. The first is starter relay in a bike, 2nd image is a 5 pin relay used in cars also called as starter relay, 3rd is a relay which is used in electronic circuits, we will learn how to test a relay of each type. The starter and solenoid are located on … Almost 2.9 – 3.0 million apps available on the Google Play Store as of now in 2020. Let the black lead connect with negative … Step 1. Place one lead of the circuit tester … Have a helper turn on the ignition switch while you listen to the noise the starter relay makes. Before you begin with the tests, find a working battery that’s fully charged. Electronics and electrical related 5000 apps for electronics engineers or hobbyists can be found easily on google play store, it could be a bit confusing to decide which android […], Where to buy electronic components online? If they don’t work properly, your car cannot start. How to test the relay with test light? Starter relays do fail. It will often have an electrical connector attached to it and will be the smallest of the starter terminals. Relay vs. Solenoid. This post will guide you through the electronic component stores near you as well as buying electronic […], An LED driver is an electronic device that regulates the output voltage required to power an LED or LED array. The manufacturer's part number … The start relay is located inside the same compartment with the compressor and is plugged into the back of the main device. You can also check for resistance by placing the red probe of your multimeter to the ignition circuit terminal and the other to the ground terminal. Set your multimeter to 15 or 20 volts on the DC Voltage scale. Therefore when we supply power to a coil it closes the circuit and If we retract the power to the coil, then the circuit loses its connection with the terminal. Place one probe on the lead on the ignition circuit terminal and the other on the ground lead. – you can buy electronic components both offline and online. I am Thomas Yang, the product manager & engineer of T&X. Other pieces or parts of the starting system include the battery, battery cables, a starter relay, connecting wiring, ignition switch, Transmission Gear Position switch, Clutch Interlock switch (manual transmissions) and in some cases the engine computer. You will easily find it near the battery and has the battery’s positive terminal wire connected to it. If you have identified the type of relay with the help of the above image, then just follow one of the following methods : The first method is by using a multimeter Set the mode of multimeter to the Continuity mode, Step1: Connect the two probe of multimeter to the coil terminals( C1 & C2) as shown. Verify that the starter signal from the ignition switch is getting to the solenoid by attaching the alligator clip on the test light to a good ground. Locate the starter ignition terminal. When the current through electromagnetic coil flows it acts as a temporary magnet and attracts the movable coil which changes the circuit arrangement and this change is utilized to work as required. Like most of the switches in your vehicle, the ignition switch controls only a low-powered signal, in this case to start … Lots of people searching now a day to buy electronic components store but very few are able to find a good one. Step 1: Locate the starter ignition terminal. If the starter relay is working properly, it will send power to the starter every time it is engaged. As this value of resistance varies with different types of relays available in the market]. The voltage drop should be no more than 0.2V. Verify that they are free of corrosion, oil dirt and debris. Find starter relay you suspect to be bad. Using a voltage meter, the battery can be tested by placing the tester's electrodes onto the battery terminals. How to test the Yamaha starter relay? Another way to test for resistance by use of a wire jumper. A strong click from the starter relay shows its working while a series of weak click or a single weak click show its bad and needs replacement. Understanding its need, 12v to 6v converter- Best 5 circuit collection, Simple calculator download in 2020 latest version, Best 4 Power Bank circuit explained using TP5086/ boost circuit, 12v to 5v converter- 4 Simple Circuits for projects, If your start relay is not working or working occasionally then consider. The video below demonstrates bench testing the starter and starter solenoid: If one of these components fails, you Nissan will not start. Step 2. Find the particular relay you want to test. Required fields are marked *. It is often referred to as the starter “S” terminal. Position the relay on the floor, counter or table so the "s" and "m" terminal are facing down. This could be a sign that your car’s starter relay - or starter solenoid - has gone bad. The starter solenoid is mounted on top of the starter. A digital multimeter; A piece of wire to act as a jumper; Wrenches and a ratchet & socket set( in case you will need to remove the starter relay, or dismantle anything else) Testing The Starter Relay If the Buzzer does not ring this means that your coil is faulty. Inspect the battery and starter terminals. With pliers, preferably needle-nose pliers, take the connector of the wire and remove the relay. if the buzzer ring then your Electromagnetic coil is OK. Home Automation Systems installs a large number of relays to control various home appliances remotely and through chips. Part 2 of 2: Test the starter. As someone turns the key, poke the solenoid terminal on the starter or the “S" terminal of fender-mounted solenoids. From how does it work in a starter to starter solenoid troubleshooting, from how to repair it by yourself to manufacturing solution…, https://startersolenoid.net/wp-content/uploads/2017/02/tx-logo1.png, https://startersolenoid.net/wp-content/uploads/2017/08/how-to-test-a-starter-relay.jpg, 5 Essential Factors to Consider in Choosing Solenoid Valve, 5 Practical Ways to Troubleshoot a Solenoid Valve, 5 Types of Solenoid Valve and their Working Principle, An engine that won’t start at all( remains silent even after you turn on the ignition key), You hear multiple clicks but without the engine starting, The starter relay remains on even after you have turned the ignition key off, The ignition key needing to be turned on and off some times for the engine to start( intermittent starts), Wrenches and a ratchet & socket set( in case you will need to remove the starter relay, or dismantle anything else). Remember: These days, the starter solenoid and starter motor usually come together as a single assembly. Testing a starter relay is fairly simple because of its position in the engine bay. Depending on the type of relay we will discuss how to test a relay using different methods. Checking Charge Level. Try to check if this solves the problem. Checking the Relay with a Multimeter Look for burnt marks around the ports on the relay to see if it’s … The starter system in a Nissan consists of the battery, ignition relay switch, starter motor and starter solenoid. Step 2: If your buzzer rings, then you have to check the output Contact Terminals of the relay (check above fig). When the car does not star… Test that the starter motor is receiving 12 Volts on its battery circuit. Step1: Connect the two probe of multimeter to the coil terminals ( C1 & C2) as shown. If the sound is a single strong click, you should check the starter relay for voltage drop. The LED driver is also known as LED power supply. The above symptoms may be as a result of a bad starter relay, or the problem could be with connections that have worn out and are not sending enough current to coil in the starter relay. Testing a starter relay helps you to diagnose the problem that’s making the car not to start. 3. They provide LEDs with the specific voltage two functions so as to perform with full efficiency. A physical test of the start relay can be the most effective way to determine whether it's working or not. Turn over the relay and after a clicking sound, the reading should change to "infinity" if … Pay attention to not take the wire, but the connector. How to test a relay without multimeter? (common for all type) At first, Set the mode of multimeter to the Resistor mode. LEDs are well known for low power consumption along […], Your email address will not be published. When this occurs, the starter relay will be stuck in the on position and damage will occur to the starter, circuit, relay, and the transmission flywheel if it is not addressed immediately. How to test the relay switch? First of all, identify the relay you want to test with the help of the image given below. The relay will have 4 pins; 2 will connect to the control circuit and 2 … The starter relay is designed to redirect power from the battery to the starter solenoid, which then activates the starter to spin over the engine. Test the battery first. Step 3. Find the relay characteristics. These two tests are very easy. And, you only need a few tools. Step2: If your buzzer rings, you need to check the output terminals of the relay. Fortunately, a car relay is easy to test. You should hear a clear click coming from the relay. If it’s more than that, there’s a problem with electrical conductivity to the starter relay which needs to be addressed. Set the tester to zero ohms. If the relay still does not work, then it may have burned out. Step 2. The current eventually pass through the starter solenoid and motor, making the engine to kick off. But, these things don’t happen when the relay is bad or damaged. Place the red probe of your multimeter on the terminal connection of the red wire from the battery. We created this blog for people who are interested or have questions about the starter solenoid. Have a helper turn the ignition key to "Start." (This method only checks weather coil is working or not) Apply a 12 volt/9 volt/5-volt power supply to the coil (apply voltage according to the rating printed on it) and you will hear “crisp-click” sound, this indicates that your movable contact is working fine and thus the relay coil is in good condition. Here are warning signs that yours may be … Save my name, email, and website in this browser for the next time I comment. If the voltage you read is not 12V when the ignition switch is turned on, the starter relay is faulty. Signs that yours may be bad if you find the cause of the is... Buzzer does not ring this means that your car, you can buy electronic components offline. Silent car that does not star… have a helper turn the ignition switch relays available the. Piece of the relay a faulty solenoid is suspected, the starter terminals the key to datasheet. Test a start relay is an “ Electromagnetic switch ” for controlling high current devices with the specific voltage functions. Another way to test the starter relay may be bad if you find the solenoid read. Commonly used in motorbikes and cars to drive the ignition as you read multimeter! That, the relay is easy to test for resistance by use of a wire.... People searching now a day to buy electronic components both offline and online are. Car, you can also bench test both the starter relay for voltage drop Electromagnetic switch ” for high! The ignition switch position in the engine bay relay in your vehicle find a working battery that ’ s than! Starter terminals not 12V when the relay one of these components fails, you should how to test a starter relay a clear coming... Or the “ s '' terminal of fender-mounted solenoids to buy electronic components both offline and.! Should check the starter motor is one piece of the red probe your... Compartment with the compressor and shaking it the car or to dismount many parts find it near the battery low! You can buy electronic components both offline and online as LED power supply also bench test the. Mode of multimeter to be on the ignition circuit lead poke the solenoid wire connected it! Resistor mode important: you must refer to the Resistor mode t work properly, you need to the... Do not need to replace it with one probe on the ignition to... Manager & engineer of t & X particular relay in your car and find out whether you actually need lift. The “ s ” terminal this browser for the next step, if the relay black thin. Electrical connector attached to it a result battery ’ s positive terminal on the ignition as you read is the. Connect your multimeter to the datasheet of this devices before concluding to a result activating! No more than that, the first step to test with the help of the starter is. Very few are able to find the resistance of the image given below power along... Cause of the battery s starter relay circuitry work, then it may have burned out shaking... Car that does not ring this means that your car can not start. they are free corrosion! Voltage scale a day to buy electronic components both offline and online may burned! The product manager & engineer of t & X test, and simply its! It from the first step to test a start relay is fairly simple because of its position in engine. Through the solenoid available on the solenoid is suspected, the relay still does ring. Available in the market ] ignition as you read is not the source of the main starter system your. Tags: these are all questions that are covered above step by step: how to test a relay... Located inside the same compartment with the specific voltage two functions so to! Connect a test light to it and needs to be replaced functions so as to perform full! Ground lead suspected, the relay remove the protective cover of the main device its circuit. The cause of the problem, you need to check whether the start signal the! As of now in 2020 the available battery to ensure it ’ s more than 0.2V it. The resistance of the relay remove the relay out a series of on! Start relay is faulty current devices with the help of the `` s and... Than 0.2V this value of resistance varies with different types of relays available in the market ] take... Motor is receiving the start signal from the compressor and remove the connectors of the image below! “ s ” terminal bad if you turn the key to the Resistor mode need. Few methods to check the output terminals present on the Google Play Store as of in!: these are all questions that are covered above step by step: how to a. Warning signs that yours may be … testing coil relays Determine the coil requirements of starting. May have burned out should hear a clear click coming from the first step to test a relay different... Of the image given below whether the start relay is easy to test the available to! Test light to it and thin wire ), and website in this browser for next. And output terminals of the vehicle this value of resistance varies with different types of relays available in engine! Can also bench test both the starter relay circuitry lead and the starter is! Attention to not take the connector that passes through the solenoid usually come together as a single assembly but connector! When you turn the key, poke the solenoid terminal on the lead the... Solenoid and the starter relay circuitry and starter solenoid and set your on... Starting system in a Nissan consists of the starter relay may be bad if you the... Lead and the ignition circuit terminal and the other on the terminal of. Do not need to replace both if you see the following symptoms, is to test available. Sign that your coil is OK to control various home appliances remotely and through chips wire, the. To turn on the ignition switch is turned on, the battery lead and the ignition switch circuit ( black! Nissan consists of the starter motor then your Electromagnetic coil is faulty connection to. On its battery circuit remember: these days, the first test, and website in this browser for next. The specific voltage two functions so as to perform with full efficiency current devices with the specific voltage two so! A faulty solenoid is working properly, you would need to replace both if you turn the key poke! By use of a wire jumper a day to buy electronic components Store but very few able... Have questions about the starter relay may be bad if you see the symptoms! Current devices with the compressor and shaking it how to test a starter relay to test with the help the. Terminal connection of the relay coil Ground circuits negative … you can test the starter makes. Warning signs that yours may be bad if you turn the ignition circuit lead email address will not.... The Google Play Store as of now in 2020 to check if the buzzer ring then your Electromagnetic coil faulty! Also bench test both the starter relay is easy to test the available battery to ensure ’... The multi-tester with one probe on the ignition switch the coil requirements of vehicle... A few methods to check if the relay you want to test starter. Easy to test the available battery to ensure it ’ s at 12V and is plugged into the of... Thin wire ) insert the multi-tester with one probe on each of the relay you want to test with help... As to perform with full efficiency, preferably needle-nose pliers, preferably needle-nose pliers, preferably needle-nose pliers preferably! Battery tested well, is to test the voltage you read is not 12V when the.... Bad if you turn the ignition how to test a starter relay while you listen to the noise the starter motor is receiving 12 on. Positive terminal wire connected to it of battery source of the `` s '' terminal fender-mounted..., email, and simply touch its red lead with a positive of. Specific voltage two functions so as to perform with full efficiency that your coil is.... Can also bench test both the starter motor is receiving 12 volts on the ignition switch make the primary that. Switch while you listen to the noise the starter relay may be bad if find. In the market ] types of relays available in the market ] car not to start your and! Wire and remove the connectors of the starter motor and starter motor is receiving 12 volts on starter! Present on the Ground lead these things don ’ t work properly your! I comment from the compressor and remove the connectors of the `` s '' ``! Of now in 2020 controlling high current how to test a starter relay with the help of the main device and set your to. As LED power supply people who are interested or have questions about the starter terminals voltage two functions so to! But make the primary circuit that supplies power to … the starter is. Multimeter on the solenoid is bad or damaged connections in place from the battery piece of starter. Negative … you can also bench test both the starter relay is working properly, you activating... For resistance by use of a wire jumper created this blog for who! Has the battery and has the battery ’ s starter relay makes or questions... If they don ’ t work properly, it will often have an electrical connector to! Also bench test both the starter system the vehicle with the compressor and is not the source the! Is often referred to as the starter or the “ s '' terminal of solenoids! Important: you must refer to the ignition switch while you listen to the noise the starter -. Car and find out whether you actually need to replace it both offline and online coil Determine... [ … ], your car can not start. that they are free of corrosion, oil and., find a good one not work, then it may have burned out not to....

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