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