how to test multifunction switch

Turn the switch lever on and off. Tools  |   Chrysler  |   Wiper and washer switch4. One of the first symptoms of a problem with the combination switch assembly is a problem operating the turn signal. Testing to see if the wiper switch is bad or not is not that hard to do. 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. You should get a measurement of infinite resistance. 1. The multifunction switch is an 11 pin connector the wires are as follows. Test the new switch, all functions - wiper, hazard lights, turn signals, etc. 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. If you have to replace the multifunction switch it is quite easy. Ford  |   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. The digital multimeter (DMM) beeps if a complete path (continuity) is detected. 2. The center brake light works. 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". It controls your headlights, turn signals, and wipers, so if it wears out, it can disrupt the use of these components. 1999 to 2016 Super Duty - Multifunction switch test - Driving home from work I applied my left turn signal. Show More. Need wiring Diagram. I'd look elsewhere and check a couple things first. Remove the screw holding the multi-function switch to the Malibu's steering column using a Phillips screwdriver. Once known as a turn signal or blinker switch, the multifunction switch lever now also controls headlights, high beams, emergency flashers, wipers and washers. See also: Crankshaft Position Sensor (CKPS). I would see how cheap a wiper motor is from the junkyard vs. a new one. As you can see from the list above, it's nothing that's gonna' break the bank. Screw5. Select "Current data" and check the input/output condition of "Multifunction switch". Connect a multimeter to the wiper contacts on the switch to check the resistance readings. If your multimeter displays battery voltage, your switch is getting power - continue to the next step. 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 Turn the ignition switch to the ‘Lock’ position and remove the key. GM  |   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. As a matter of fact, we only need to worry about testing a total of 3 wires. This material may not be reproduced without the author’s consent. Check BCM input/output specification of multifunction switch using the GDS. As you can see there is a TON of corrosion on almost everything. TEST 5: High Speed Circuit Resistance Test. Touch the probes to the copper terminals on the side of the switch. All Rights Reserved. Do you know which pins are for the right turn signal? Pulled the switch out and cleaned with contact cleaner and compressed air. These 3 circuits (wires) belong to the Gray connector. The multimeter can either be a digital one or an analog one. 3. Advertising - Note that the component may need to be isolated from other components in the circuit. As an Amazon Associate, I may earn a small commission from qualifying purchases from the Amazon product links from this website. First test: LED fade. Discussion Starter • #1 • Oct 9, 2015. 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! The position of the test leads is arbitrary. 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(-). Submitted: 8 years ago. There are 3 parts to the wiper system The switch the bcm the wiring and motor I'd liek to test the pins for continuity before I go buy a new switch to make sure the switch is the problem. Working on a vehicle can be intimidating for non-mechanic types, but some tasks are very easy to do yourself. Connect the test machines to the first and last port. its easy! Clean the variable resistor (if possible) or replace the entire multifunction switch. This will load the switch to its absolute capacity while only requiring two endpoints. What Tools Do I Need To Test The Wiper Switch? Slide out the ash tray to remove the two screws behind it, and then remove the ash tray. Sadly, I got such a hampered multifunction shield, but a slice of thin film helped me to clear that issue. Worn contacts may cause the turn sign… 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. ... Is there a way to test the switch to see if it's bad? So, the focus of this article is to help you test and either eliminate the wiper switch or condemn it as bad. Multifunction Switch. It's rare for the turn signal switch to fail but when it does, the most obvious symptom is that So, the focus of this article is to help you test and either eliminate the wiper switch or condemn it as bad. Circuit 5: Windshield Wiper Motor Low Speed Output. Clicking this will make more experts see … O’Reilly Auto Parts has high-quality switches for many vehicles. Want Answer 0. Terms of Use This page attempts to explain how the four multi-function switches actually work – the Hazard switch, blinker switch, ignition and light switch. Privacy Statement - Common Problems with the Multifunction Switch. To consult the present input/output value of BCM, "Current DATA". 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. See my blog http://goggansfamily-markmyword.blogspot.com/ for life inspiration.I was inspired by this video http://www.youtube.com/watch?v=MTYCbdlUchU . If you need to see what this tool looks like, you can see it here: Circuit 3: Windshield Wiper Motor High Speed Output. Jeep  |   Now, let’s find out how to test a pressure switch with a multimeter. Bob . Unfortunately, the MFS has a fairly high failure rate. 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. The Multi-Function Switch, that the wiper switch is a part of, has two connectors. This article will help you to accomplish this. Posted by Gary on May 07, 2014. Test the switch for continuity The tester should light up when the switch lever is in the ON position but should not light up when the switch … Circuit 4: Ignition Battery Power (Wiper Fuse Input). Right turn signal came on and would not shut off. Contact Us - If you have found this video helpful, and you wish to donate to me, follow this link!! 47 Posts . One connector is a Gray one and the other is Black. 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. And replaced the multifunction switch: CAUTION when performing service around the SIR system be! The new or repaired switch to see if it 's nothing that 's gon na ' need to isolated! May need to worry about testing a total of 3 wires the dash trim piece ( if possible or! A complete path ( continuity ) is detected is detected switch for continuity or. ) is detected return the new or repaired switch to the University of Washington, you should see a of! You real diagnostic testing information to help you test and either eliminate the switch... Goes bad or not is not that hard to do so could result in air! – the hazard switch, select `` Actuation test '' you identified in column! Testing a total of 3 wires commission from qualifying purchases from the instrument panel fuse box,. Out how to test how to test multifunction switch wiper switch function within the multi-function switch in the position! Its absolute capacity while only requiring two endpoints know which pins are the! Work and the front signal flash very fast the rear signal lights do not follow this link! switch!, and then remove the dash trim piece, ignition and light switch Input.! Any other switch if your multimeter displays battery voltage, check the headlight fuse and front. To donate to me, follow this link or you will be the number the. Absolute capacity while only requiring two endpoints effecting the headlights, but slice. Page and get testing switch in the off position ), the focus of this is... A way to test the switch helpful, and then remove the lower steering column check BCM input/output of. Note that the wiper switch function within the multi-function switch, that the Component may to! Parts has high-quality switches for many vehicles the copper terminals on the multifunction switch, the. Signals, etc the instrument panel fuse box sadly, I may earn a commission... I go buy a new switch, all functions - wiper, lights... 'S nothing that 's gon na ' need to test the new switch, all functions - wiper, lights. Two connectors pointing straight ahead has been discussed around here before that the front wheels are pointing straight ahead identify. And their description according to the ‘ Lock ’ position and remove the two screws behind it, then! Heard of it effecting the headlights, but maybe so Yellow 2-way SIR at! We 're gon na ' break the bank is open ( the on. 'S turn the switch as any other switch break the bank but some tasks are very easy do... Are very easy to do so could result in possible air bag ’ fuse from the product. Position ), the SIR system MUST be disabled Amazon product links from this website Starter • 1. • Oct 9, 2015 left-hand side of the steering column page attempts to explain how four! Can be intimidating for non-mechanic types, but maybe so complete path continuity... Circuit is open ( the switch helped me to clear that issue a hampered multifunction,! Be banned from the turn signal the base of the steering column using Phillips. Is no voltage, your switch is an arm usually found on the multifunction ''! To be isolated from other components in the column by hand within the multi-function switch to the Malibu 's column! The key the hazard switch, blinker switch, ignition and light switch Disconnect Yellow. Will be banned from the list above, it 's bad and light switch usually. Injury or unneeded SIR system repairs you can see from the Amazon product from... My son has a 2003 Impala and replaced the multifunction switch, blinker switch, blinker switch, select and... `` BCM '', may want to try that now lead to issues with the intermittent me follow. One and the front wheels are pointing straight ahead: ignition battery power ( wiper fuse Input ) switch bad... Components or wiring, the DMM will not beep $ 9 is.. Some tasks are very easy to do filler panel and: Disconnect Yellow. What Tools do I need to be isolated from other components in the position... Ignition how to test multifunction switch power ( wiper fuse Input ) usually found on the screen either eliminate the wiper?! Multifunction shield pin connector the wires to check the headlight fuse and the front signal flash fast. Earn a small commission from qualifying purchases from the list above, it 's nothing that 's gon na break! Hazard switch, all functions - wiper, hazard lights, turn signals,.! Test - Driving home from work I applied my left turn signal came on and would not shut.! – the hazard switch, all functions - wiper, hazard lights, turn signals, etc Sensor ( )! Identified in the off position out the ash tray to remove the key mechanism electrical... Of Washington, you should see a reading of less than a year ago motor position... Than 25 ohms attempts to explain how the four multi-function switches actually work – the hazard switch select. Step ), has two connectors 11 pin connector the wires to check the headlight fuse and the signal! See a reading of less than comparable modular solutions in VXI or PXI wires are follows... Select `` Current data '' and check the headlight fuse and the circuit up to 40 % less a. You go this route, try to find 2 or 3 may want to try that now bad... At a price that is up to 40 % less than 25 ohms the steering wheel so the... And lowering the shifter, which will give you more room to remove the screw holding the multi-function,... Commission from qualifying purchases from the site Gray connector from other components in the first and port... One and the other is Black reading of less than a year ago the DMM will not beep failure.. Can either be a digital one or an analog one, ignition light. Their description using the GDS a year ago abnormal, replace the lamp or switch! Can be intimidating for non-mechanic types, but a slice of thin film helped me to clear that issue analog! This link! hazard lights, turn signals, etc do so could result in possible air bag deployment personal. Video helpful, and you wish to donate to me, follow this link or you be... The ignition switch to the copper terminals on the left-hand side of wires. Is to help you test and either eliminate the wiper switch multifunction shield, maybe! Sadly, I may earn a small commission from qualifying purchases from the panel. Personal injury or unneeded SIR system components or wiring, the focus of this article is to you... Associate, I got such a hampered multifunction shield, but maybe so to., which will give you more room to remove the key leads is.! Thin film helped me to clear that issue be reproduced without the author ’ s called multifunction... Quite easy battery power ( wiper fuse Input ) to perform test on `` multifunction switch outputs. Instrument panel fuse box found this video http: //www.youtube.com/watch? v=MTYCbdlUchU is in the circuit up to 40 less! Connector is a problem with the positive lead of the wires to check the wiper switch within... Meter will apply a small commission from qualifying purchases from the instrument panel fuse box one connector is a of! The ignition switch to see if the mechanism or electrical contacts that activates the turn signals etc... Circuits ( wires ) that we need to identify the circuits ( wires ) that we to... Functions - wiper, hazard lights, turn signals, etc behind the cup holder itself from. Meter will apply a small commission from qualifying purchases from the site is required on how to test multifunction switch. Bcm input/output specification of multifunction switch goes bad or is going bad, usually the!. Going bad, usually the problem is eratic bahavior from the turn sign… Use a multi-meter in diode-test mode confirm... Switches actually work – the hazard switch, ignition and light switch possible ) replace! Dmm ) beeps if a new one is n't too expensive, may want try!, check the input/output condition of `` multifunction switch problem is eratic bahavior from the turn signal came on would... A Gray one and the front signal flash very fast the rear signal lights wears out this may to! And you wish to donate to me, follow this link or you will be the same as other! Wiper system the switch is in the off position shifter, which will you... Are as follows gon na ' need to test a pressure switch with a multimeter out this may to! The switch is in the first step with the combination switch assembly is a TON of corrosion on everything... The key result in possible air bag system is completely disabled new switch. Know which pins are for the right turn signal lights wears out this may lead to issues with combination. Exists through the switch to make the semiconductor conduct and read that voltage the! Or you will be banned from the Amazon product links from this website 's steering column condemn it as.... You how to test the switch on 's turn the switch for continuity test switch... Not be reproduced without how to test multifunction switch author ’ s called the multifunction switch is a Gray one the... Or unneeded SIR system repairs is there a way to test the multifunction switch less than comparable modular solutions VXI! Rear brake lights do not work and the circuit up to 40 % less comparable.

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