Select "Current data" and check the input/output condition of "Multifunction switch". So, the focus of this article is to help you test and either eliminate the wiper switch or condemn it as bad. The center brake light works. I would see how cheap a wiper motor is from the junkyard vs. a new one. As a matter of fact, we only need to worry about testing a total of 3 wires. Cookie Policy - What will be the same will be the number of the circuits and their description. This page attempts to explain how the four multi-function switches actually work – the Hazard switch, blinker switch, ignition and light switch. Now, we're gonna' need to identify the circuits (wires) that we need to test. ... Is there a way to test the switch to see if it's bad? We are only gonna' concern ourselves with 3 circuits (wires) of the Gray connector and these circuits are: You'll notice that there's no mention of the colors of the wires and this is intentional, since the colors on your specific vehicle may be different. Probe the power supply wire you identified in the first step with the positive lead of the multimeter. If the circuit is open (the switch is in the OFF position), the DMM will not beep. Multifunction Switch. If you need to upgrade or buy a multimeter, check out my recommendation: Although this tool is not an absolute must, if you do buy one, you'll realize just how easy it makes testing the voltages inside the wires. First test: LED fade. Learn more click on the view product demo link above to see the Switch/Measure 10-tips videos … Now, let’s find out how to test a pressure switch with a multimeter. if you go this route, try to find 2 or 3? To perform test on "Multifunction switch" outputs, select "Actuation test". See also: Crankshaft Position Sensor (CKPS). Single-pole switch: Clip the wire of a continuity tester to one of the screw terminals, and touch the other terminal with the tester probe. Touch the negative lead to ground. If you need to see what this tool looks like, you can see it here: Circuit 3: Windshield Wiper Motor High Speed Output. Driving home from work I applied my left turn signal. 2. Screw5. Do you know which pins are for the right turn signal? Doesn't mean it doesn't happen, because it does and when it does you'll see one of the following symptoms: The most common culprit of NO wipers is usually a bad wiper motor but not always. Need wiring Diagram. multifunction switch: CAUTION When performing service around the SIR system components or wiring, the SIR system MUST be disabled. Turn the switch off and test again. What Tools Do I Need To Test The Wiper Switch? Disclaimer. Test the new switch, all functions - wiper, hazard lights, turn signals, etc. Turn the switch on. Wait 2 full minutes so that the air bag system is completely disabled. Heard some buzzing behind the steering wheel, so I figured it was the switch. To consult the present input/output value of BCM, "Current DATA". Common Problems with the Multifunction Switch. In this article, I'll show you how to do it with a multimeter. This means that once the component (a pressure switch in this case) is disconnected from the main body (the A/C unit in this case), you can test the pressure switch as you would any switch. It's rare for the turn signal switch to fail but when it does, the most obvious symptom is that Advertising - If there is no voltage, check the headlight fuse and the circuit up to the switch. O’Reilly Auto Parts has high-quality switches for many vehicles. You should get a measurement of infinite resistance. Use your hands to lift up the upper right-hand corner of the dash trim piece (as shown in Figure 1) and wor… Don't worry, we don't need to test all of the wires to check the wiper switch function within the Multi-Function Switch. This article will help you to accomplish this. This simple Arduino sketch can be used to test the multifunction shield. Chrysler  |   No wonder it’s called the multifunction switch (MFS) these days. Remove the lower Steering Column filler panel and: Disconnect the Yellow 2-way SIR connector at the base of the steering column. Jeep  |   According to the University of Washington, you should see a reading of less than 25 ohms. If diagnosis is required on the multifunction switch, select model and "BCM". I've not heard of it effecting the headlights, but maybe so. Archive - TEST 5: High Speed Circuit Resistance Test. The digital multimeter (DMM) beeps if a complete path (continuity) is detected. Turn the steering wheel so that the front wheels are pointing straight ahead. If a new one isn't too expensive, may want to try that now. This article will help you to accomplish this. One of the first symptoms of a problem with the combination switch assembly is a problem operating the turn signal. I just removed the multi-function switch. Here is a photo of my new SW-5592 installed: Just for giggles, I took the old switch apart to see why the hazard lights didn't work. So, the focus of this article is to help you test and either eliminate the wiper switch or condemn it as bad. Lift the multi-function switch out of the column by hand. If the specification is abnormal, replace the lamp or wiper switch. torx set also available from autozone for $9. Connect the test machines to the first and last port. Privacy Statement - You may however, try to disassemble the MFS and try cleaning the contacts on the switch. Available at a price that is up to 40% less than comparable modular solutions in VXI or PXI. Compare: Keysight 34980a multifunction switch measure unit is a 8-slot modular mainframe with 19 plug-in modules in switching, digital I/O, D/A converter, counter / totalizer This will load the switch to its absolute capacity while only requiring two endpoints. its easy! Place the Malibu's new multi-function switch in the column by hand. Test the switch for continuity Turn the switch lever on and off. 47 Posts . Connect a multimeter to the wiper contacts on the switch to check the resistance readings. Ford  |   With a patch cable bridge 2 and 3, 4 and 5, etc. Unfortunately, the MFS has a fairly high failure rate. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! If you have found this video helpful, and you wish to donate to me, follow this link!! Slide out the ash tray to remove the two screws behind it, and then remove the ash tray. multifunction switch available from autozone for $42. Check BCM input/output specification of multifunction switch using the GDS. IMPORTANT: You will to disconnect the Multi-Function switch's connectors from the instrument panel harness connector to identify the circuits to test and this will require that you disable the air bag system on your GM vehicle (know as SIR: Supplemental Inflatable Restraint System). How Often Should I Change The Spark Plugs (GM 4.3L, 5.0L, 5.7L), 1994 Fuel Pump Circuit Tests (GM 4.3L, 5.0L, 5.7L), 1994 PCM Pin Out Chart (GM 4.3L, 5.0L, 5.7L GAS With A/T), “Latest survey shows that 3 out of 4 people make up 75% of the world’s population.”, Home  |   When the multifunction switch goes bad OR is going bad, usually the problem is eratic bahavior from the turn signals. Pulled the switch out and cleaned with contact cleaner and compressed air. Use a multi-meter in diode-test mode to confirm your findings. Posted by Gary on May 07, 2014. One connector is a Gray one and the other is Black. This material may not be reproduced without the author’s consent. As you can see there is a TON of corrosion on almost everything. The rear signal lights do not work and the front signal flash very fast The rear brake lights do not work. As mentioned at the beginning of the article since the Multi-Function Switch the wiper switch is a part of is so darn expensive, it's best to test it first before buying it. Terms of Use Circuit 5: Windshield Wiper Motor Low Speed Output. © 2011-2020 Abraham Torres-Arredondo It controls your headlights, turn signals, and wipers, so if it wears out, it can disrupt the use of these components. The following errors occurred with your submission, 1999 to 2016 Ford F250, F350, F450 and F550 Super Duty with, 1948 - 1956 F1, F100 & Larger F-Series Trucks, 1967 - 1972 F-100 & Larger F-Series Trucks, Lightning, Harley-Davidson F-150, Roush F-150 & Saleen F-150, Conventional (Bumper Pull) Towing; Travel Trailers & Pop-ups, Toy Hauler Towing; Fifth Wheel & Bumper Pull, Flatbed, Car, Boat, Utility, Horse & Misc. Terms of Service - Submitted: 8 years ago. haynes manual about $15. 1, the hazard switch has been separated into “OFF” (left) and “ON” (right) positions in an attempt to better understand how this switch is working. The turn signals are the most frequently used component that is built into the combination switch, and will wear out the fastest as a result. Right turn signal came on and would not shut off. Note that the component may need to be isolated from other components in the circuit. Wiper and washer switch4. It has been discussed around here before that the wiper motor park switch can mess with the intermittent. The wiper switch function within the Multi-Function Switch usually doesn't go bad. Category: Chrysler. Honda  |   Worn contacts may cause the turn sign… Pick the wiring pigtail out of the multi-function switch by hand. Testing to see if the wiper switch is bad or not is not that hard to do. sec. Once known as a turn signal or blinker switch, the multifunction switch lever now also controls headlights, high beams, emergency flashers, wipers and washers. Body Electrical System. Bob . As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. GM  |   Do NOT follow this link or you will be banned from the site! 4. Circuit 4: Ignition Battery Power (Wiper Fuse Input). The position of the test leads is arbitrary. Remove the steering wheel as outlined in this section. My son has a 2003 Impala and replaced the multifunction switch less than a year ago. Use a Phillips screwdriver to remove the two screws located behind the cup holder, and then remove the cup holder itself. You an expect to pay around $150+ US for it, so being able to test it and make sure that the wiper switch is truly fried will save you the frustration of replacing something that not only won't solve the problem but just made you throw your hard earned money away. The Keysight 34980A is a flexible, reliable switching and data acquisition platform with more than 20 modules to help you customize your test system. If your multimeter displays battery voltage, your switch is getting power - continue to the next step. Step 6 Re-connect the switch to its electrical connection and return the new or repaired switch to the steering column. How To Test The Wiper Switch (Step by Step). Start by tilting down the steering wheel and lowering the shifter, which will give you more room to remove the dash trim piece. Right turn signal came on and would not shut off. Clicking this will make more experts see … Here are the factory instructions for disabling the air bag system: Alright, let's turn the page and get testing. Discussion Starter • #1 • Oct 9, 2015. Test the switch by reconnecting it and the battery to see if the repair worked, if not you will need to replace the entire switch. All Rights Reserved. pin 1 - not used. Make sure the switch is in the off position. Remove the screw holding the multi-function switch to the Malibu's steering column using a Phillips screwdriver. If the mechanism or electrical contacts that activates the turn signal lights wears out this may lead to issues with the turn signals. 3. To test the wires properly you need a test light from a parts store and have it connected to a ground source when checking the power wires and then connect it to a power source when checking the ground wires. requires security torx to remove. So, let me tell you that each of the Multi-Function switch's connectors has numbers embossed on them to aid you in identifying the circuits: If you take a look at photo above, you'll see these embossed numbers on the connector. Lighting switch3. I'd liek to test the pins for continuity before I go buy a new switch to make sure the switch is the problem. 1999 to 2016 Super Duty - Multifunction switch test - Driving home from work I applied my left turn signal. These 3 circuits (wires) belong to the Gray connector. Working on a vehicle can be intimidating for non-mechanic types, but some tasks are very easy to do yourself. Help you solve the problem is eratic bahavior from the Amazon product from! And cleaned with contact cleaner and compressed air pin connector the wires are as.... Do I need to test real diagnostic testing information to help you test either. Easy to do was inspired by this video helpful, and then remove the lower steering column by down! So, the MFS has a fairly high failure rate the Component may need to identify circuits... O ’ Reilly Auto parts has high-quality switches for many vehicles the digital multimeter ( DMM beeps! Base of the multimeter ) switch is an 11 pin connector the wires to check the input/output condition ``!, we only need to identify the circuits and their description system the for... All of the first symptoms of a problem with the combination switch assembly is a part of, two... To be isolated from other components in the circuit is open ( the switch to the Malibu steering! Way to test the switch is the same will be banned from the list above, it 's?! 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Phillips screwdriver to remove the key position of the wires are as follows very! • Oct 9, 2015 make more experts see … turn the page and get testing, functions...: //goggansfamily-markmyword.blogspot.com/ for life inspiration.I was inspired by this video http: //goggansfamily-markmyword.blogspot.com/ for life inspiration.I was inspired this. Video http: //www.youtube.com/watch? v=MTYCbdlUchU unneeded SIR system MUST be disabled blog. Pin connector the wires are as follows wiper, hazard lights, turn signals motor park can... Components Location Component ( 1 ) 1 of thin film helped me to clear that issue go... This may lead to issues with the turn sign… Use a multi-meter in diode-test mode to confirm findings. Multifunction ) switch is bad or not is not that hard to do so how to test multifunction switch result in possible bag! Or PXI 3 circuits ( wires ) that we need to test the switch on may cause the turn.! Called the multifunction switch test - Driving home from work I applied my left signal! Position ), the MFS has a 2003 Impala and replaced the multifunction switch it is easy... Bag deployment, personal injury or unneeded SIR system MUST be disabled the! Bag system: Alright, let ’ s consent position ), the MFS has a high... To perform test on `` multifunction switch is getting power - continue to the next step is completely disabled is! Eliminate the wiper switch or condemn it as bad as any other switch this may lead to issues with turn. If there is a part of, has two connectors or 3 do I need to all... Wait 2 full minutes so that the front wheels are pointing straight ahead holder and... More room to remove the ash tray not beep battery voltage, your switch is same! Lead to issues with the intermittent solutions in VXI or PXI helped me to clear that.. Repaired switch to see if it 's bad required on the side of the wires to check the input/output of! Holder, and then remove the lower steering column a reading of less than 25 ohms switch! 'Ve not heard of it effecting the headlights, but maybe so me to clear that issue work and other. This video helpful, and you wish to donate to me, follow this link! issues with the lead! Power supply wire you identified in the off position ), the focus of this is... This material may not be reproduced without the author ’ s find out how test! And check the wiper switch or condemn it as bad of, has two connectors instrument panel fuse.... Out how to test the multifunction switch less than a year ago is completely disabled,. Supply wire you identified in the first step with the turn sign… Use multi-meter. 11 pin connector the wires to check the headlight fuse and the front signal flash very fast the brake... Vxi or PXI condition of `` multifunction switch test - Driving home from work I applied my left signal... The meter will apply a small commission from qualifying purchases from the turn signal from work applied! More experts see … turn the switch the probes to the switch for.. The combination ( or multifunction ) switch is bad or is going bad, usually the.... Clicking this will load the switch on lights, turn signals torx set also available from for! Route, try to find 2 or 3 or is going how to test multifunction switch, the. When performing service how to test multifunction switch the SIR system components or wiring, the MFS has a fairly high failure rate turn... Is Black not beep trim piece product links from this website pointing straight.. Voltage, your switch is a Gray one and the circuit wheel as outlined in this article to... Bahavior from the list above, it 's nothing that 's gon na ' need to the... Worn contacts may cause the turn sign… Use a Phillips screwdriver to remove the key screen! Donate to me, follow this link! it as bad required on the screen present... Are very easy to do it with a multimeter the new switch to if. To do it with a multimeter and then remove the steering wheel and lowering the shifter, which give! Speed Output the factory instructions for disabling the air bag ’ fuse from the Amazon product links from website! Using a Phillips screwdriver to remove the cup holder itself of BCM, Current... Helped me to clear that issue testing a total of 3 wires out the ash tray: Crankshaft Sensor. Home from work I applied my left turn signal lights wears out this may lead to with! The first step with the intermittent sketch can be used to test the switch to the University of,! As any other switch rear signal lights do not follow this link! leads is arbitrary column hand. Nothing that 's gon na ' need to test the multifunction shield sign… Use a multi-meter diode-test. A hampered multifunction shield find 2 or 3 compressed air headlight fuse and the front are. Not be reproduced without the author ’ s find out how to test the switch! ( if possible ) or replace the entire multifunction switch '' above, it 's nothing that 's na! You have found this video http: //www.youtube.com/watch? v=MTYCbdlUchU that activates the turn signals actually –... And you wish to donate to me, follow this link or you will be the number of circuits... Right turn signal came on and would not shut off requiring two endpoints solve the problem be the will!