How To Test Power Window Switch

How to Examination Power Window Switch With Multimeter

November 27, 2021 0

Introduction

A ability window is a device that helps you to open and close your car door windows easily. It has a manual or automatic switching pick. In the case of an automatic organisation, it begins to work every bit soon every bit you turn on the ignition cardinal in your automobile and stops when you lot turn it off. This device has some wire which starts working afterward pressing the switch, so nosotros can say that this wire is an active one. Today I will exist discussing how to test power window switch with multimeter. And so let united states of america go started.

How to Test Power Window Switch With Multimeter

Footstep-wise Guide on How to Test a Window Power Switch with a Multimeter

Unscrew and Remove the Hat:

Subsequently you lot verify that the power window switch is bad, carefully remove the lid of information technology. If your auto has ability windows, it volition have a iii-pronged ability window switch connected inside the door panel. The switch plugs into a larger wiring harness within the door and tin be tested past hand without removing any electrical components from inside the door.

Pry the Power Switch Off:

Ability window switches take two lugs that slide into the larger wiring harness. Disconnect these plugs from the harness and set them aside. Once you've done this, remove the ability switch by prying information technology off the door with a screwdriver. It volition be held in place past clips effectually its perimeter and can be pried up in one case its clips are released.

Removing the Connectors:

To examination your power window switch, disconnect all electrical connectors on both ends of it and set them aside. The outer insulation on virtually all power window switches is brittle, so don't pull also difficult, or y'all'll break it off completely. Instead, submerge any connector not coming out with a pair of needle-nose pliers every bit you gently pull one time the connectors are removed, set them aside.

Ready Your Multimeter on Continuity Mode and Exam the Switch:

Ability window switches can be tested with a multimeter by measuring continuity in its switch contacts. When you press the power window switch downwards, information technology should make contact betwixt two copper contact strips inside your power switch. If this happens, and so a practiced electrical connection has been made that corresponds to the position of the power window switch, and yous should hear an audible click from both ends of your ability window switch when you lot push information technology down or pull it upwardly. However, if there is no click present while making these tests, your power switch is bad and cannot be repaired with new parts solitary (the entire associates must exist disassembled and replaced). Use a multimeter to confirm continuity in both switch positions before you supervene upon your power window switch.

Testing the Fuse:

Employ a multimeter or test light and verify that the fuse for your power window motor is not blown out by placing it across the terminals of the corresponding fuse on your vehicle'south chief fuse box. If there is no electric current going through this circuit, make sure that your ground wire from the automobile battery has a skilful connexion (remove whatever corrosion and try again). If it still doesn't work, check all circuits related to power windows within the door panel.

Bank check for Jams and Broken Mechanisms: Earlier you go further with testing your power window switch, information technology's best to check that the window is in a fully up position and endeavor opening or closing it again to see if information technology has any jams. Suppose your windows are sticking, and so put some lubricant such every bit WD-40 on them and try operating the switches several times. A adept way to practise this is by holding both ends of the power switch assembly (i in each hand) while pushing it downward or pulling information technology up. This will let you to identify pressure on all parts of the mechanism at once, shortening its cycle time considerably and causing excess vesture over time for these mechanisms (allowing more grit inside your door panels).

Put the Switch Back on or Install a New One:

One time you take a good idea about whether or not your power window switches are broken, you can decide what to practice side by side. If they're still working properly, though, make certain that the mechanism is in skilful shape and put it back on (if possible). If either switch has disintegrated or if ane of them doesn't work properly, then don't hesitate to purchase a make new one from your car dealership.

Precautions While Learning How to Examination Power Window Switch With Multimeter

Reminder for Inexperienced Multimeter Users:

If yous are a beginner using a multimeter, information technology's always good to remove the negative (-) probe from its contact before plugging in your ability window switch. This will protect yous from getting an electrical shock if, by chance, you lot take some current going through your car bombardment.

This simple step can save yous from getting injured and prevent damage to any of your power window parts as well.

Once y'all've ready all other electrical components bated, turn the ignition on and make sure that the headlights come up on after inserting and removing your cardinal two or 3 times (this is a sign that both circuits for the headlight dimmer are working). Further, test this circuit by turning on simply one lamp and so trying to activate the second one (bank check that both headlight's vivid and dim settings are working). It's a good thought to test these circuits fifty-fifty if they work considering sometimes, afterward parking your car overnight, a wire can get damaged inside the door panel, causing headlight failure.

Power Window Switches with No Click: If there is no audible click present at either end of your ability window switch when information technology is moved up or down, then you have an open circuit in some part of this electrical circuit. The first affair y'all should check for is corrosion on any metal parts within your door panel. Corrosion builds up peculiarly side by side to the switches themselves and, over time, causes wires to break internally within those mechanisms. Check all contact points for signs of corrosion, such as greenish-colored blobs, and remove them with a wire brush (a sandpaper block works well for this).

Next, y'all should check that all of your power window switches make practiced contact by rubbing a pencil or toothpick beyond the switch'south contacts. If they're dirty, and so clean them off with some electrical cleaner. Y'all can besides utilize an eraser if the surface is non too worn out already. It's also of import to note that excessive wear on those contacts will cause them to intermission down over fourth dimension, causing like problems as corroded points do.

How Do I Know if My Power Window Switch Is Bad?

If your vehicle'due south commuter-side window regulator has failed, a ability window switch could be the culprit. Sometimes an intermittent "click-click" dissonance is considered the same problem, but information technology is non related in most cases. The following procedure will aid y'all test for bad switches:

When both windows and sunroof are part of the organisation (sometimes chosen an "All-Window System"), both front end windows should move upwardly when either one is pressed all the style down. They may too work if only 1 door switch is being used on each front door (single "window rocker" switches). Effort pressing the clicker on just one door while someone else tries lowering that window from inside the motorcar. If nothing happens when you press this switch, the problem is in your switch.

If only i window goes up or downwards when you lot printing the switch (all other windows are fine), check to see if this window regulator is good. If it works sometimes but not e'er, make sure that dirt and droppings aren't blocking its path to the motor. The regulator may be dirty or worn out and needs replacement. As well, make sure that corrosion has not gotten inside the regulator case preventing it from working properly. About likely, though, your ability window switch is bad.

How Do I Reset My Ability Windows?

Resetting power windows is a relatively unproblematic procedure.

Ensure the ignition switch is in the "ON" position and all doors are airtight. This will lock out all buttons and switches on the console. The commuter'due south window must exist downward to reset any other power windows from this betoken forrard.
Using your keyless entry remote, unlock all doors (if not already unlocked).
Turn off your car using the ignition switch, and so turn it back on within 5 seconds (turning off and on again resets the computer which controls your power windows). iv. Press both forepart door lock buttons simultaneously for at least 3 seconds. If washed correctly, your rear passenger side windows will raise and lower two times, and your power windows will be reset.5
All of your doors are now unlocked, and all ability windows should role again. If whatever buttons are withal non functioning, repeat this procedure for the third time.

Notation:

This method does not work on the passenger side, so you must use the driver's door remote to unlock it earlier performing this process if you lot want to reset the passenger window from within the vehicle. Again, perform this process from outside the machine if possible.

Decision

Lastly, I hope you lot have obtained a proper idea about how to examination ability window switch with multimeter from this article. Ensure proper safety while performing the process. Give thanks you and take a prissy 24-hour interval!