How To Test The Electronic Throttle Body. GM Vehicles 2006-2011

How To Test TPS 1, TPS 2, And The Throttle Actuator Control Motor Of The Electronic Throttle Body.
The exact same throttle body is used on the following vehicles:
• Buick Lucerne 3.9L: 2009-2010
• Buick Lucerne CX 3.9L: 2011
• Buick Lucerne CXL 3.9L: 2011
• Buick Terraza 3.9L: 2006-2007
• Chevrolet Equinox 3.4L: 2007-2009
• Chevrolet Impala 3.5L, 3.9L: 2006-2010
• Chevrolet Impala LS 3.5L, 3.9L: 2011
• Chevrolet Impala LT 3.5L: 2011
• Chevrolet Impala LTZ 3.9L: 2011
• Chevrolet Malibu 3.5L: 2007-2009
• Chevrolet Malibu 3.9L: 2006
• Chevrolet Malibu Classic: 2008
• Chevrolet Malibu LS 3.5L: 2010
• Chevrolet Monte Carlo 3.5L: 2006-2007
• Chevrolet Monte Carlo 3.9L: 2006
• Chevrolet Uplander 3.9L: 2006-2008
• Pontiac G6 3.5L: 2007-2010
• Pontiac G6 GT 3.5L, 3.9L: 2007-2009
• Pontiac G6 GTP 3.9L: 2006
• Pontiac Montana 3.9L: 2006
• Pontiac Torrent 3.4L: 2007-2009
• Saturn Aura 3.5L: 2007-2008
• Saturn Relay 3.9L: 2006-2007
• Saturn Vue 3.5L: 2008-2009
See more GM automotive diagnostic tutorial here: easyautodiagno...

[@lisacontreras6100]

Absolutely fantastic work. Helped me confirm that my throttle body was defective. Cannot thank you enough. Test was performed on a 2013 Chevy Silverado WT 6cyl 4.3L. Test 4 was higher Ohms as in some other cases below. My throttle failed Test 1 & 2. Initially had passed Test 1. Also had Ohm breaks in Test 2 where it went to OL briefly. Didn't see your throttle do that when pressing down on butterfly. Tried to run test again to verify and then it failed Test 1 completely. Yes, I verified the leads were in the correct position and did another test to be triple sure. Went straight to OL both times. A million thanks. Let me know if you guys want me to post my video results to see what it looked like in the comments. Bravo!!

[@davidessien5465]

I must admit that you're really a professional engineer 🤝. I love your video but especially the way you explain things to the understanding of even a novice. Thank you so much for sharing your knowledge!

[@LucasGarrow]

I can conclude this video saved me a ton of time.

[@khalidahmed20308]

Nice

[@jaylaflare6765]

Likewise

[@joeseda8102]

Thank you! That is the best, easiest and most thorough explanation on YT. Found my problem IMMEDIATELY.

[@ramongalavis3328]

I AM really pleased with this info. During this video we could confirm correct function of every single variable resistor within the throttle itself. Thanks Greetings from Caracas ,Venezuela.

[@yaacobchildofyah3769]

Thanks for the video. Gonna do this tomorrow on my 08 impala. Saves me money not having to go to a shop to have it checked.

[@gar5952010]

Thanks for the info , came in very handy . I did the test just like the way you explained , and found out I had a faulty TPS for an 07 Saturn Relay .

[@davidtravale6237]

I used your diagnostic method to check a six wire 2009 Chevy Malibu 2.4 L throttle body assembly. You're recommendation to use alligator clips was spot on. Would have been very difficult without them. I couple of differences with the 4 cyl vehicle. Test 2 & 3 were opposite polarity (i.e. opposite polarity when butterfly was opened or closed) but they seemed to have smooth resistance changes with no jumps. Test 4 the resting resistance was higher, 30 Ohms, but not open (OL) or zero. So i think the concept works on the 2.4 L engine but the system wiring or logic is different for the 4cyl model. Haven't put the car back together but I expect my throttle body is OK now.

[@alexanderproefrock8721]

Hey I definitely could use your help!! I'm dealing with the 2.4 myself and TB codes.

[@davidtravale6237]

I used the method in this KZbin video to rule out the TB. I could be wrong tho. I have a few sensor codes all related to the ECM so I have a new one on order. If that not it it’s either a no spark or no fuel issue. I reconnected all connections using a product called Stabilant 22. It’s supposed to improve bad connections. That didn’t work either.

[@efrainrodriguez9995]

How to test a hummer h3 2006 with test meter

[@efrainrodriguez9995]

I really appreciate if you can give me the information

[@hansnunez5002]

Abraham: I thank the Lord for your knowlege and healt . thatns to this video you recorded, you helped me to fix my 2008 Grnd caravan. i thank ypou too for making the time to share your knowledge. sorry about the typoa, Ii was riding my motorcycles and dropped them on the highway. i can not see well qhT I TYPE. Iwill rewrite this message as soon as I can get my new glases. i had tu use a magnifier glass when I tested my throtle body on the van. Yhaks a million!

[@bluebird-je2ty]

This man is a master.

[@C0nNhaNghe0]

The demonstration is so thorough and easy to understand.

[@MrMraza123]

Very clear instructions a layman can understand easily. Thank you.

[@bluethunder9000]

Truly super explanation rarely found on KZbin...I wish if you could explain mk3 throttle body for vw someday thanks for sharing

[@unclemanny3200]

Bingo! 2007 GMC ENVOY Denali the first test and the last test failed. A vehicle was going into limp mode and I couldn't figure out why. Thank you very much

[@tecman129]

Glad to hear the video tutorial helped and thanks for posting your test results!

[@coreymugaas6388]

Thanks for the video! I am working on a marine digital throttle & shift demonstrator for a training aid at the marina where I work. I pulled a GM throttle body out of the warranty pile and with your video can determine if it will work!

[@Soho9111]

your channel really should have more subscribers

[@BashDeCash]

Very great video. Thanks for the additional labels you made. It really help me get to understand which pins to reach out to for those tests. Thumbs up!!!

[@cynthiathomas3498]

I agree with the previous comment. Excellent video with perfect instructions and explanations. very easy to follow and thanks for sharing your knowledge. I wish those others would follow your lead.

[@Smeaded]

For those who are asking if this works on your electronic throttle body the answer is yes. It will have different readings but the procedure is the same.

[@velox731]

What a great tutorial 👌. This worked on a 2.4L ecotec 08 Saturn Sky. Last test failed.

[@josemenchaca3944]

What did you get on the last test

[@velox731]

@@josemenchaca3944 I had less than 1 ohm on the last test. Watch for defective GM parts... after receiving and installing the new tb I was still having the same problem. I tried everything from doing an idle relearn to checking all vacuum lines, testing relays and fuses. Finally took it to the dealership to only find out that the new GM part was defective.

[@tonyreese306]

Man knowledge like that is priceless ...and a time saver

[@A0d0i00]

It is best to use analog multimeters for such measurements. Moving the throttle will show an immediate error in the resistor path. Measurements with an electronic multimeter are subject to errors resulting from the measurement itself. Digital devices simply do not perform linear measurement, but perform so-called sampling from time to time. And this means that a value that changes linearly is not really presented to us linearly. Therefore, it is worth returning to this type of measurements with old linear multimeters. Apart from that, the presentation is great. Thenks.

[@claudiocastillocorrea9839]

❤ uno de los mejores videos explicados de una manera muy sencilla, saludos desde chile y bendiciones

[@luisgarcia9293]

Le metiste los 12v de la baterial o usaste otra pila de otro voltaje?

[@1LongTallTexan]

Best help on these units I have seen....Thanks a lot on how to test these!

[@sandymilne224]

Super, super clear! Brain dead clear video. (Perfect for me) 😂

[@alexanderspenser4960]

I hate to throw parts at a malfunction, and these days when the new part is bad out of the box; thanks for the education.

[@mikevanhek6740]

Best video on KZbin!

[@Hutchy45445]

Great video 👍 Thanks for taking the time to share and make this available to us. 😃

[@guillermoortega6802]

Can I use these same values and measurements for a 2009 Buick Enclave?

[@ClayCook-w3k]

for the first test, should it be 1.5 ohms or 1500 ohms?

[@NelsonBaker-z1t]

need information on 2005 corvette throttle body test

[@JonathanMcpherson-d9w]

What if the TPS2 test is opened loop for the 2 test terminals?

[@hammadmadi4285]

YOU MADE it easy for us Mechanics ... Can u please tell me how to Diagnose the pins of harness whether if its a motor voltage pin or ground or tps 1 or 2

[@inhocsigno9151]

My 2006 Sierra 4x4 has the TAC Motor on pins A & C, which measures 1.6 ohm. Surprised there is so much variation between different automobile lines.

[@tomthumb5445]

Exceptionally clear instructions.

[@brionadderley1643]

So if any of these four test were to fail, is it safe to say that this component(throttle body) would have to be changed ? Also could you upload a video where your doing this exact test where this component(throttle body) is installed in the vehicle ? Thanks alot Excellent video !

[@kaaraa-mardha1977]

Thanks for tutorial, there are 6 pins, how do I know which terminals are E and C out of 6 pins please?

[@MasterAutoTechTraining]

Thanks for taking the time. Thank you for sharing and make this video available to us. Great video

[@LatifKhan-uk2kg]

Sir I am from Pakistan. Please tell me whether we can test Nissan ad throttle body using this method?

[@dannystubblefield5478]

i have a 1996 a 1996 GMC Sonoma with 2.2 engine the power wire plug going to ignition control module has 2 wires - the plug that should have 6 wires only has 2 wires- is this normal- how do i check it ? trying to get a reply from easy auto diagnostics-thanks

[@skoff1214]

Is this test applicable to Chevy Cruze 2012 model?

[@rotaryskratch18]

I'll run these tests, but I first checked the 6 pin connector. Yellow and Brown wires go to the throttle motor from the ECM. TAC Motor Control 1 and 2. The other wires are low ref/signal wires, most reading 5v. I'm only getting 4.43mV and 10.7mV on the Yellow and Brown wires (disconnected, ignition on), but i feel like one should be roughly battery voltage and one should be ground. I'd just hate to replace the throttle body and still have a problem.

[@garysincliar]

Hi there, Is the E connect to the ground or signal wire to ECM or connect to the 5v?

[@mckoylach1622]

Do these methods applied to foreign vehicles,too or every car is different,depending upon the manufacturer? Thanks,great tutorial video...

[@erayhanlioglu1327]

I have Chevrolet Aveo 1.4 LS. Is this method suitable for my vehicle?

[@loreadaauto]

Great Video! Thanks!😄

[@surgrafica]

MUY CLARO Y NO EXTENSA LA EXPLICACION.... ENCONTRE LA SOLUCION EN TU VIDEO MUCHAS GRACIAS....

[@deathenterprise1409]

My throttle body is reading .10k over is that bad or is there an allowed amount over

[@jerrydanner696]

I like your video. Gonna do it on my 12 Malibu

[@dtnel]

Wish he'd said what was what as in ground, pos , neg on other pinouts as wanted to apply same principal to 2010 Dodge Grand Caravan and see if worked on one I have on bench.

[@cujo7240]

Great tutorial! This throttle body looks very similar to the one on my 2018 GM 5.3L Silverado. Do you think the pinouts and trends you outlined in this video would be similar for my TB?

[@tecman129]

The test procedure is the same, but the terminals that are checked will be different. At the moment, I don't have the info the give you the updated instructions for your particular application.

[@cujo7240]

Thx for the reply.

[@YadiRedPapi]

Dose this apply to Saab 2004 gm parts right??

[@hadijan905]

Excellent test for our knowledge

[@stevelatronica6025]

Awesome Lesson, Thank you!

[@mohammedrifaat5701]

Thank you very much for the information very useful video, I checked my motor ohm and the reading is 8K ohm, is that mean I need to replace the throttle? My car is Mitsubishi outlander 2009. Waiting for your reply please

[@jetd6764]

Where have u been? I have noticed that u have stopped upload videos. Hope everything is ok. Please take the time to upload more videos. Urs is the best. God bless.

[@gabrielkaras1858]

Make more videos my guy your doing it right

[@levimoya9205]

Best video ever thanks 👍

[@aeromastersargentina6579]

I have a question. My car is a gm Astra 2007. It has a 2.4 liter 4 cylinder 16 valves and a throtle body magneti marelli very.similar that you show in the video. My fail is when the car stays at idle. The car runs perfect but when i press the gas pedal a tinny the car fails like he want to stall out. And when you start at cold in the morning feels like starts in 3 cylinders and at 4 seconds pass to 4 cylinders. I clean the throttle body and te car works better but that issue its make me crazy. The sparks plug are new. People told me change the spark leads. Thank you

[@sankars7646]

Hi Will This test procedure support Chevrolet spark 2008 throttle body? Please suggest..

[@ronherman3415]

Very helpful video. Very detailed with photos and most importantly for the blind folks, the connectors pin out photos.

[@lilninja36]

What if for the first test it come up as 1.4?is it good

[@TheMusaiz333]

So when doing this test, connecting the red to D and black to E shows absolutely no reading at all, connecting red to A and black to B also shows no reading at all. The other positions do show readings though. Does that mean my throttle body (VQ35, looks very similar to the one in this video) is faulty?

[@stefanalex7164]

Hi terminal C is the shared ground and trrminal E the shared 5V ref ? Thamks

[@philipstv7341]

Hello ;). How to test Chevrolet camaro 2016 3.6 v6 ?

[@tonyreese306]

Do you a video for this on a 02 Chevy trailblazer

[@mohammad45h]

سلام وسپاس وتشکر بسیار عالی وهزاران 👍....👍....

[@inamrehman8709]

I have 2010 toyota corolla with electronic throttle body. engine had vibrations at idle. mechanic first clean throttle body with carb cleaner . but did not fix the issue. then he messed up with that idle screw. now the car driveability is more worst, it lack power when accelarate. although engine idle has stable RPM 700. can you please give me a brief procedure or service manual to bring that screw to its orignal position. I have requested too many guys on youtube but no body has help me. Thank you in advance.

[@mckoylach1622]

Great testing procedures video,thanks....

[@SharpShaprp]

My 2005 Tahoe throttle body wire got wet what should l do

[@psmith7016]

Great video! Chevy TPS sensors are known to go bad! This leads me to ask can I test my 2009 Trailblazer ss TPS sensor in the same way. I know realize it's been some time since you posted this video and replied. But I am DIY'er and really would like to get your guidance on how to perform this very test on my vehicle.

[@ralphking5428]

How about a drawing of the electical connections, a schematic diagram to accompany this video????

[@nickt3367]

Yes.... thank you, I totally agree.

[@nickt3367]

Could you please accurately explain which terminals are where ? The photo of the terminal block doesn't correlate accurately ! Is terminal "A" at the top left or top right ? Why don't you show the diagram of the terminal block first before you start ?

[@hmyaakobhjothman4231]

Thank you very much ....its much helpful...

[@saturatedfatyt]

My question is does this apply to other cars say my bmw has the same style plug except its labeled 1-6

[@tecman129]

The GM part number of this throttle body is: 2173108 (GM Genuine). I checked for you and this throttle body does not fit any BMW. Even if it looks similar, the internal circuits will be different. Using the test procedure in the video will give you the wrong test results. What is the year and model of your BMW? I may just be able to find the procedure for it -maybe.

[@suitabdou8]

I have an Audi Q5 2.0TDI 2010 I found my throttle body 100% open when the engine was off is this normal?

[@nickkelly8795]

Hi, really helpful video, I have a Mazda 5 sport 2007, that will not rev over 2000rpm, the connectors on mine are all in a row six pins, would know the correct pin to use, to reproduce your test,, a big thanks if you can help

[@fridrikmustik8978]

Maestro Bravo !

[@andinamm2246]

excellent video, can you make some other for subaru TB?...i have a xv with fb20 engine and when i put key in start TB makes a wired noise...think its fali...thank you so much

[@6xflowerranch890]

Can I run the test on a 2011 Tahoe 5.3 LS 2wd?

[@sergiomendya5787]

Gracias por tu información, es para mí de mucha ayuda..

[@eliekabwe8333]

Hello ! sir, I am very happy for this video because I have the same problem on Hummer H3 year 2007 engine 3.7 L5 petrol 4x4 I code p2128 the box has 8 threads how to test it?

[@eliekabwe8333]

Mon email c'est : [e-mail]

[@rnonbelive7612]

H2 ,2005years. Vortex engine 6.0L . Throttle connect is same too

[@joseluisotanez3684]

Hermano Dios mío muchas gracias excelente test.

[@ricardotiger2601]

Good video, but I'm driving a 2006 opel meriva and have no voltage to my throttle body actuator/motor. Any solutions?

[@thomasorta4297]

What about Chevrolet HHR 2006? is the same procedure?, thanks

[@digchilli]

Super clear instructional video. Really helpful. Thank you very much.

[@scottwiggins8619]

You could really improve the educational experience by overlaying the full circuit and pin out to understand how each test circuit operates.

[@huseyindag2811]

Hello dear teacher, my throttle body model is 96875250. but resistance values almost same with yours. So I have a question: Can I use yours or other gm throttle instead of my throttle ?

[@threemglobal]

Tq for sharing

[@sherekant1981]

Tienes mas diagnostocos para otros tipos de vehiculos? o donde puedo conseguir los valores de los diagnosticos?

[@vjxpiroevo9263]

Grate , my Chevy Colorado throw me a code p2122 low voltaje on tps reduce power ,but after reset ECU , everything works normal ,could be tb need to be replace ,thanks

[@tecman129]

There's a good chance that there's an intermittent failure of the TAC system somewhere. Try wiggle testing the wires of the throttle body connector. There's a good chance that one of the wires has broken inside the insulation. The wiggle test involves gently wiggling the wires of the connector with the engine running. If the engine idle changes, when you're wiggling the wires, you've found the problem. The correct and expected test result of the wiggle test is for the engine's idle to remain unaffected.

[@vjxpiroevo9263]

@@tecman129 thank you I'll check that!

[@drmagistar]

does this work with 2009 Alfa Romeo 159 2.0 jtdm ?

[@lonewolf744]

What if you get all passing number on the test. Could the throttle body still be hanging up and not opening or closing all the way properly because of being dirty ect?? My throttle is sticking. The rpm will stay up after tapping the gas but taking my foot off the gas. I'm having rough idle loss of power and I think my chevy express even went into limp mode twice but then came out of it. It will run kinda ok sometimes but really bad other times. I've already replaced a lot of other parts trying to chase the issue down. I was getting o2 sensor codes replaced all them. Replaced maf sensor. All the plugs , coils and wires. Vapor vent canister solenoid .

[@genetti10394]

Did you ever find out the solution?

[@carloandra5372]

Tanks for the video God bless you 😉

[@CTSVTWINS]

Great video. Does this test method apply to the TB on a 2010 ZO6 Corvette with the LS7 which has the all aluminum TB and the actuator is also all aluminum? TB part number is 12570790. Thanks.

[@aliciapearce4017]

Do you know how to do this on a 06 Ram 1500 Hemi 5.7 liter

[@v8pilot]

Thank you for posting this. Is it possible that this will also apply to European GM cars - eg Opel Meriva A throttle body?

[@ricardoesquivel3556]

excellent video