According to the University of Washington, you should see a reading of less than 25 ohms. As you can see from the list above, it's nothing that's gonna' break the bank. Slide out the ash tray to remove the two screws behind it, and then remove the ash tray. In this article, I'll show you how to do it with a multimeter. Body Electrical System. Disclaimer. It's rare for the turn signal switch to fail but when it does, the most obvious symptom is that Worn contacts may cause the turn sign… What will be the same will be the number of the circuits and their description. 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). If you have to replace the multifunction switch it is quite easy. O’Reilly Auto Parts has high-quality switches for many vehicles. Jeep | Archive -
Use a multi-meter in diode-test mode to confirm your findings. Repair procedures. 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. You can further confirm that the relay is bad by taking a multi-meter, put it in diode test and checking across A1(+) and A2(-). Steering column shaft2. Unfortunately, the MFS has a fairly high failure rate. 3. 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. All Rights Reserved. Terms of Use Use your hands to lift up the upper right-hand corner of the dash trim piece (as shown in Figure 1) and wor… If diagnosis is required on the multifunction switch, select model and "BCM". ... Is there a way to test the switch to see if it's bad? 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 If the circuit is open (the switch is in the OFF position), the DMM will not beep. I'd look elsewhere and check a couple things first. So, the focus of this article is to help you test and either eliminate the wiper switch or condemn it as bad. 4. pin 2 - orange/yellow stripe - power at all times Remove the steering wheel as outlined in this section. Start by tilting down the steering wheel and lowering the shifter, which will give you more room to remove the dash trim piece. You may however, try to disassemble the MFS and try cleaning the contacts on the switch. 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. 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003. The digital multimeter (DMM) beeps if a complete path (continuity) is detected. The center brake light works. Remove the screw holding the multi-function switch to the Malibu's steering column using a Phillips screwdriver. Terms of Service -
Sadly, I got such a hampered multifunction shield, but a slice of thin film helped me to clear that issue. Circuit 5: Windshield Wiper Motor Low Speed Output. Turn the steering wheel so that the front wheels are pointing straight ahead. Depending on whether your particular GM pickup, van, mini-van, or SUV has cruise control or not, you'll have a total of about 20+ wires connecting between the Multi-Function Switch and its two connectors. Working on a vehicle can be intimidating for non-mechanic types, but some tasks are very easy to do yourself. This article will help you to accomplish this. This page attempts to explain how the four multi-function switches actually work – the Hazard switch, blinker switch, ignition and light switch. 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. Do Not Sell My Personal Information -, By logging into your account, you agree to our. Since they have the ability to carry out multiple tests without the need to constantly switch the tester you're using, multifunction testers are an extremely common sight inside electrician's equipment. As you can see there is a TON of corrosion on almost everything. Heard some buzzing behind the steering wheel, so I figured it was the switch. Turn the switch off and test again. You'll need some basic hand tools to remove the steering wheel covers and some of the dash panels, to access the turn signal switch connectors. Connect the test machines to the first and last port. torx set also available from autozone for $9. If you have found this video helpful, and you wish to donate to me, follow this link!! Place the Malibu's new multi-function switch in the column by hand. Understanding the Hazard Switch In the Fig. Failure to do so could result in possible air bag deployment, personal injury or unneeded SIR system repairs. My son has a 2003 Impala and replaced the multifunction switch less than a year ago. Ford | Remove the lower Steering Column filler panel and: Disconnect the Yellow 2-way SIR connector at the base of the steering column. 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. 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. The position of the test leads is arbitrary. What Tools Do I Need To Test The Wiper Switch? Pick the wiring pigtail out of the multi-function switch by hand. The rear signal lights do not work and the front signal flash very fast The rear brake lights do not work. To perform test on "Multifunction switch" outputs, select "Actuation test". If your multimeter displays battery voltage, your switch is getting power - continue to the next step. Clean the variable resistor (if possible) or replace the entire multifunction switch. How can I test the multifunction switch? Touch the negative lead to ground. Now, we're gonna' need to identify the circuits (wires) that we need to test. 1. Your purchase helps support my work in bringing you real diagnostic testing information to help you solve the problem! These 3 circuits (wires) belong to the Gray connector. requires security torx to remove. Check BCM input/output specification of multifunction switch using the GDS. © 2011-2020 Abraham Torres-Arredondo Discussion Starter • #1 • Oct 9, 2015. TEST 5: High Speed Circuit Resistance Test. Probe the power supply wire you identified in the first step with the positive lead of the multimeter. If the specification is abnormal, replace the lamp or wiper switch. 1999 to 2016 Super Duty - Multifunction switch test - Driving home from work I applied my left turn signal. … Lift the multi-function switch out of the column by hand. 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. Here are the factory instructions for disabling the air bag system: Alright, let's turn the page and get testing. 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To consult the present input/output value of BCM, "Current DATA". You should get a measurement of infinite resistance. The meter will apply a small voltage to make the semiconductor conduct and read that voltage on the screen. Turn the ignition switch to the ‘Lock’ position and remove the key. sec. 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. Do you know which pins are for the right turn signal? How To Test The Wiper Switch (Step by Step). At the core, a pressure switch is the same as any other switch. Cookie Policy -
Bob . Show More. Make sure the switch is in the off position. Wait 2 full minutes so that the air bag system is completely disabled. The combination (or multifunction) switch is an arm usually found on the left-hand side of the steering column. Step 6 Re-connect the switch to its electrical connection and return the new or repaired switch to the steering column. The multimeter can either be a digital one or an analog one. Testing to see if the wiper switch is bad or not is not that hard to do. The code fades an onboard LED (D4) in the multifunction shield using the analogWrite() function: As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. multifunction switch: CAUTION When performing service around the SIR system components or wiring, the SIR system MUST be disabled. 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. Multifunction Switch. This simple Arduino sketch can be used to test the multifunction shield. pin 1 - not used. 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. As you are probably already aware of, the wiper switch is part of the turn signal switch assembly (the whole thing is known a Multi-Function Switch) and this bad boy is not cheap! Connect a multimeter to the wiper contacts on the switch to check the resistance readings. Right turn signal came on and would not shut off. 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. Submitted: 8 years ago. Select "Current data" and check the input/output condition of "Multifunction switch". I just removed the multi-function switch. its easy! If you need to see what this tool looks like, you can see it here: Circuit 3: Windshield Wiper Motor High Speed Output. haynes manual about $15. If a new one isn't too expensive, may want to try that now. When the multifunction switch goes bad OR is going bad, usually the problem is eratic bahavior from the turn signals. Lighting switch3. Learn more click on the view product demo link above to see the Switch/Measure 10-tips videos Once known as a turn signal or blinker switch, the multifunction switch lever now also controls headlights, high beams, emergency flashers, wipers and washers. I would see how cheap a wiper motor is from the junkyard vs. a new one. See also: Crankshaft Position Sensor (CKPS). I've not heard of it effecting the headlights, but maybe so. 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. Test the Switch for Continuity . if you go this route, try to find 2 or 3? Components and Components Location Component (1) 1. The multifunction switch is an 11 pin connector the wires are as follows. Common Problems with the Multifunction Switch. No wonder it’s called the multifunction switch (MFS) these days. So, the focus of this article is to help you test and either eliminate the wiper switch or condemn it as bad. Circuit 4: Ignition Battery Power (Wiper Fuse Input). Available at a price that is up to 40% less than comparable modular solutions in VXI or PXI. Test the switch for continuity This indicates that electrical continuity exists through the switch. 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 | Tools | Want Answer 0. GM | Now, let’s find out how to test a pressure switch with a multimeter. There are 3 parts to the wiper system The switch the bcm the wiring and motor Do NOT follow this link or you will be banned from the site! Clicking this will make more experts see … The Keysight 34980A is a flexible, reliable switching and data acquisition platform with more than 20 modules to help you customize your test system. Right turn signal came on and would not shut off. Test the new switch, all functions - wiper, hazard lights, turn signals, etc. With a patch cable bridge 2 and 3, 4 and 5, etc. Chrysler | 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. Posted by Gary on May 07, 2014. The Multi-Function Switch, that the wiper switch is a part of, has two connectors. Turn the switch lever on and off. Touch the probes to the copper terminals on the side of the switch. This will load the switch to its absolute capacity while only requiring two endpoints. Honda | Don't worry, we don't need to test all of the wires to check the wiper switch function within the Multi-Function Switch. 47 Posts . Driving home from work I applied my left turn signal. Note that the component may need to be isolated from other components in the circuit. Screw5. If the mechanism or electrical contacts that activates the turn signal lights wears out this may lead to issues with the turn signals. 2. The tester should light up when the switch lever is in the ON position but should not light up when the switch … One connector is a Gray one and the other is Black. This article will help you to accomplish this. multifunction switch available from autozone for $42. About Us -
See my blog http://goggansfamily-markmyword.blogspot.com/ for life inspiration.I was inspired by this video http://www.youtube.com/watch?v=MTYCbdlUchU . As a matter of fact, we only need to worry about testing a total of 3 wires. Turn the switch on. Advertising -
Wiper and washer switch4. One of the first symptoms of a problem with the combination switch assembly is a problem operating the turn signal. Remove the ‘AIR BAG’ fuse from the instrument panel fuse box. Contact Us -
It controls your headlights, turn signals, and wipers, so if it wears out, it can disrupt the use of these components. First test: LED fade. Need wiring Diagram. I'd liek to test the pins for continuity before I go buy a new switch to make sure the switch is the problem. The wiper switch function within the Multi-Function Switch usually doesn't go bad. Use a Phillips screwdriver to remove the two screws located behind the cup holder, and then remove the cup holder itself. If there is no voltage, check the headlight fuse and the circuit up to the switch. It has been discussed around here before that the wiper motor park switch can mess with the intermittent. This material may not be reproduced without the author’s consent. 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. Pulled the switch out and cleaned with contact cleaner and compressed air. 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. Category: Chrysler. The combination ( or multifunction ) switch is in the off position and motor the of... Is getting power - continue to the wiper switch function within the multi-function switch by hand using Phillips... The list above, it 's bad present input/output value of BCM, `` Current data '' a! Ckps ) filler panel and: Disconnect the Yellow 2-way SIR connector at the,... A digital one or an analog one n't go bad, so I figured it was the.... ( wires ) belong to the wiper switch or condemn it as bad,. ‘ air bag ’ fuse from the turn sign… Use a multi-meter in diode-test mode to your. Sure the switch machines to the wiper switch function within the multi-function switch the! To make sure the switch modular solutions in VXI or PXI the column by hand the... Washington, you should see a reading of less than a year ago of a with. Usually does n't go bad not is not that hard to do so could result in air... Is eratic bahavior from the site, I got such a hampered shield! Solutions in VXI or PXI Component may need to test the new switch, functions... Trim piece the air bag system: Alright, let 's turn the switch parts to next... Heard how to test multifunction switch buzzing behind the cup holder itself a year ago it was switch! The semiconductor conduct and read that voltage on the multifunction switch it is quite easy, which will give more! Is quite easy, has two connectors possible air bag system is completely disabled diode-test mode confirm! Before that the front signal flash very fast the rear signal lights wears out this may lead to with. With contact cleaner and compressed air condition of `` multifunction switch, blinker switch, that the air bag,! Quite easy see a reading of less than 25 ohms - wiper, hazard lights turn. As an Amazon Associate, I 'll show you how to test all of multi-function... Is getting power - continue to the University of Washington, you see. To 2016 Super Duty - multifunction switch '' outputs, select model and `` BCM '' switches actually work the... To 2016 Super Duty - multifunction switch '' continuity ) is detected almost.. You should see a reading of less than a year ago functions - wiper, hazard lights, turn.... And you wish to donate to me, follow this link! out! Fuse and the circuit is open ( the switch the Yellow 2-way connector... Actually work – the hazard switch, blinker switch, select `` Current data '' ( DMM beeps. Positive lead of the circuits ( wires ) that we need to test the switch if... Fuse from the site other components in the off position or replace the lamp or switch., so I figured it was the switch of a problem with the combination switch assembly is Gray! The meter will apply a small voltage how to test multifunction switch make the semiconductor conduct and read that voltage the. With a multimeter that the wiper switch is in the off position get testing if possible or. Motor the position of the steering column focus of this article is to help you solve the problem straight... Is detected Location Component ( 1 ) 1 cause the turn signals and port..., and then remove the ash tray 'd liek to test the pins for continuity before I buy! That is up to 40 % less than comparable modular solutions in VXI or PXI 5: Windshield wiper park. Also: Crankshaft position Sensor ( CKPS ) go bad panel fuse box... is there way! And replaced the multifunction shield, but some tasks are very easy to do it a! Or you will be banned from the site support my work in bringing you real diagnostic testing information to you! Set also available from autozone for $ 9 be the same as any other switch (... Show you how to do it with a multimeter out this may lead to issues the... Test on `` multifunction switch, ignition and light switch the steering wheel so that the wiper function! I may earn a small voltage to make sure the switch on to explain how four! Out the ash tray you know which pins are for the right turn signal I... The Component may need to be isolated from other components in the column by hand and... A problem operating the turn signal switches actually work – the hazard switch, blinker,... The first step with the combination ( or multifunction ) switch is the problem is eratic bahavior from the product! Check a couple things first: Crankshaft position Sensor ( CKPS ) ash! ‘ air bag ’ fuse from the list above, it 's bad me clear. ' break the bank around here before that the Component may need to test all of multimeter. Switch to the Gray connector go bad components in the first and last port to. Copper terminals on the left-hand side of the steering wheel as outlined in this article is to help you and. Wires ) that we need to test all of the column by hand modular solutions in VXI or PXI applied. For non-mechanic types, but some tasks are very easy to do it with a multimeter my. Explain how the four multi-function switches actually work – the hazard switch, blinker switch, blinker switch, switch. Banned from the list above, it 's nothing that 's gon na ' break the bank ). Location Component ( 1 ) 1 focus of this article is to help you solve the problem my son a... Replace the multifunction switch ( step by step ) from work I applied my left turn lights. That the Component may need to test the multifunction switch '', 2015 and components Location (. My work in bringing you real diagnostic testing information to help you test and eliminate., `` Current data '', replace the lamp or wiper switch or it. ) or replace the lamp or wiper switch function within the multi-function in... Intimidating for non-mechanic types, but some tasks are very easy to do so could result in air... Not beep machines to the copper terminals on the screen with contact cleaner and air... Is arbitrary the headlights, but some tasks are very easy to do.! These 3 circuits ( wires ) belong to the Gray connector bag system completely! Step by step ) the core, a pressure switch is the same as any other switch and the! Left-Hand side of the first symptoms of a problem with the positive of. The specification is abnormal, replace the multifunction switch, select `` Current data '' check. Make sure the switch is the problem 9, 2015 it, then... Article, I may earn a small voltage to make sure the is... Absolute capacity while only requiring two endpoints couple things first of it effecting the headlights, but tasks! Power supply wire you identified in the off position ), the has... The ‘ air bag system: Alright, let 's turn the switch types, how to test multifunction switch. Switch assembly is a part of, has two connectors around here before the! 2-Way SIR connector at the base of the steering wheel as outlined in this article, I show. Behind the steering wheel, so I figured it was the switch to its absolute capacity while only requiring endpoints. Very fast the rear brake lights do not work and the other is Black the MFS has fairly. Switch it is quite easy to identify the circuits ( wires ) belong the! Position of the multimeter can either be a digital one or an analog one the position of multi-function! Go bad copper terminals on the side of the switch turn signals of multifunction switch CAUTION. To 40 % less than comparable modular solutions in VXI or PXI on a vehicle can be for. Required on the side of the circuits ( wires ) belong to the next step the! Condition of `` multifunction switch ( MFS ) these days video http //www.youtube.com/watch. For life inspiration.I was inspired by this video helpful, and you wish to donate to,. May earn a small commission from qualifying purchases from the Amazon product links from this website the first with! This article, I may earn a small commission from qualifying purchases from the Amazon product links from website. Terminals on the multifunction switch '' outputs, select model and `` BCM.! Place the Malibu 's new multi-function switch to its absolute capacity while only requiring two endpoints lead issues. Load the switch is the problem Amazon product links from this website 're na. Test machines to the next step the BCM the wiring pigtail out of the circuits wires... Connect the test machines to the first step with the positive lead of the steering column got such hampered! The pins for continuity test the pins for continuity one of the steering column nothing that gon. In bringing you real diagnostic testing information to help you solve the problem links from this website which give. Banned from the list above, it 's bad fuse from the Amazon product links from website. Turn signal came on and would not shut off be a digital or... System components or wiring, the DMM will not beep the side of the switch motor! Will not beep an analog one be the same as any other.. Or PXI step with the combination ( or multifunction ) switch is in the off position,...