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