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

[lisacontreras]

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!!

[davidessien]

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.

[joeseda]

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

[ramongalavis]

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.

[yaacobchildofyah]

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.

[gar]

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 .

[davidtravale]

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.

[bluethunder]

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

[hansnunez]

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!

[CnNhaNghe]

The demonstration is so thorough and easy to understand.

[MrMraza]

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

[unclemanny]

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

[Soho]

your channel really should have more subscribers

[coreymugaas]

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!

[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!!!

[cynthiathomas]

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.

[LongTallTexan]

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

[Hutchy]

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

[velox]

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