TPS Signal Shorted to 12v Scan Data Fixed at 5v - P0123

Don't get caught just changing a part based off of a trouble code like this customer did. Learn your fundamental checks! This one is not your typical sensor failure.
Here is the original video this was edited from:
• Throttle Position Sens...
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On ScannerDanner Premium I will bring you right into my classroom at Rosedale Technical College. You will find page for page lectures taken right from my book as well as exclusive classroom type case studies. What is so special about these classroom case studies? I pull live problem vehicles directly into my classroom and we troubleshoot them in real time, using and applying the theory and testing procedures we learn during the classroom lectures. There is no better on-line training of how to troubleshoot automotive electrical and electronics systems anywhere!
Disclaimer:
Due to factors beyond the control of ScannerDanner LLC, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. ScannerDanner LLC assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. ScannerDanner LLC recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of ScannerDanner LLC, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not ScannerDanner LLC.

[@ScannerDanner]

So why am I editing and shortening some of my older videos?? My main goal is to condense them to only show the key points. Not for views, but for that guy that's really stuck and needs some quick guidance on a subject. He doesn't have time for a 40 minute case study but definitely does for a 10-15 minute, key points type video. I had this EXACT scenario happen with me when I blew out a brake chamber in my RV. I needed help and I needed it now!! I know my community will benefit from these.

[@technician-tony]

I had a similar problem caused by the JET POWER MODULE, it was pulling the cam signal to ground, once I removed it problem fixed.

[@heyitschinoable]

ScannerDanner Dan you are number 1

[@ScannerDanner]

My name is Paul Danner but thanks!

[@billrimmer5596]

Thank u for keeping long ones available. These r a treasure! Especially considering what’s on TV!! Watch and learn great stuff!!

[@HomieHektor]

When I saw that chingadera on the computer, I thought to myself “hey this Jeep is back from back in the day” then you mentioned it. OG subscriber/student/prodigy here 😎

[@NewLevelAuto]

Homie Hektor also my adopted son / cameraman

[@PaulysAuto]

Excellent video showing basic checks that lead us to the real problem. Your fundamental checks and use of common sense is amazing Paul!!!

[@billyyoder8171]

Thank you Paul. Good job. I appreciate your videos. Have a blessed and safe week.

[@hoss2200]

Maaaaan, wish I was close to you to thank you so much in person for all the help and great educational videos to all of us. Technicians and dyiers. When I was stuck in the shop for 10 hours 5 days of the week i didn't have the opportunity to watch your videos all the way. This information has helped me here in Az. Most stuff i was really bad back in college lol

[@ThunderbirdRocket]

Right on ! Crucial lessons learned from this one !! 1. If 11 volts is on a sensor signal wire DO NOT UTILIZE the jump it to ground test … and , 2. during snap throttle revs TPS(v) never moved on scan data due to slow scan data updates ! Wowza !! Glad you teach us about significant repair process hazards as these two !! 😅 🙌🏼

[@ScannerDanner]

Some, or I should say most, miss these very subtle points. Good on you my friend. Thank you!

[@Status4az]

Great video! Always enjoy your teaching methods; so much info to pick up on. Good job!

[@jimwhite5964]

Paul, thanks for all of the great videos...have learned SO much from you!

[@haywardsautomotive6156]

It's amazing how malleable those pins are. Over the years I've been able to bend every pin back in place without breaking any and then use a pin straightener and you'd never know it was smashed. Great video and stressing why we test.

[@elioselectric468]

Hey Paul, really appreciate all your invaluable teaching skills! On to the next one...

[@andrewk778]

Another interesting video. I am always appreciative of your time and effort to produce these videos. You are the best. Thank you for sharing, professor.

[@yanierolivera4678]

Short or long, your videos are awesome. Thanks!!!

[@codyjohnson1982]

Nice fix, Paul! You're a great mechanic!

[@PaulysAuto]

It's so different watching your shortened videos, I'm so used to your lectures and detailing the various variables in such depth, just a muscle memory after watching your videos for so many years. Thanks for sharing this Paul, excellent information on this TPS CKT issue.

[@nickh3809]

Yes but if you want more views, you have to shorten the videos. This amount of time is perfect.

[@ScannerDanner]

Agree and that is a byproduct of what I'm producing with these. But my main goal is to take some of my older videos and condense them to only show the key points. Not for views, but for that guy that's really stuck and needs some quick guidance on a subject. He doesn't have time for a 40 minute case study but definitely does for a 10-15 minute, key points type video. I had this EXACT scenario happen with me when I blew out a brake chamber in my RV. I needed help and I needed it now!! I know my community will benefit from these.

[@PaulysAuto]

@@ScannerDanner I cannot imagine a day when we can't benefit from your videos... I remember your RV ordeal, how frustrating to have that happen, but it's certainly how it goes, the one instance you're trying to do something important and it seems like it's usually in the dead of winter...lol...-45 windchill and your out f-ing around fixing your own stuff that keeps getting pushed off to fix other people's problems! Ahhh, what do you do? Just smile and dial.

[@vinayakpawar9127]

Thank you very much sir please keep uploading these kind of videos i work very confident by seeing your videos i learnt a lot from you thank you once again from the bottom of my heart love you scanner Danner

[@timothyball3144]

I liked the teaser intro on this one. Also great job on chasing this down.

[@mannyvelez4437]

Great video.. love the Home Depot connection on the throttle body

[@ianelwell8000]

Nice find Paul!- keep the videos coming, !

[@arthurfricchione8119]

Thanks for the video Paul ❤️️

[@carlosfavela9616]

excelente diagnostico como todos los que usted hace señor paul

[@vin605]

Excellent demo as always

[@gabe1254]

That Fernco on the throttle body! This is gonna be a good one. Lemme grab my popcorn 😂🎉

[@Pablo_Automotive]

Thanks Paul another job again👏☺🔧

[@nemanjadzombic6101]

Thank you for another perfect video!

[@kevinedward1234]

Paul, great video!!

[@jeremieparker5703]

Awesome job Paul thank you so much for sharing brother be blessed my friend

[@john7017]

Another Great video! Thanks for sharing.

[@hughvanzyl549]

Brilliant. Thanks from South Africa

[@mostlymoparih5682]

Great catch, great video.

[@joesanders4038]

You're such a genius

[@VoltageDropDiagnostics]

Great content, again!

[@curlymyhero]

Scanner Danner--even though I think yur ingenious figuring out car problems--on THIS one u lucked out!

[@fire7765]

Great find, thx for sharing

[@stephenmarshall5302]

nice one Paul

[@maherzaidan7190]

Great job 👏👍

[@user-io3hw7hx7q]

Awesome outstanding job thanks

[@automechanicthefox8732]

You are the best

[@amr-50]

great video

[@paulfiebke3909]

Never see that beforekeep up the good work

[@paulfiebke3909]

Keep up the good work

[@edygutierrez7576]

Thank you!!

[@quangnhatnguyen1172]

Crazy one!

[@davidevans8826]

Excellent I came across this before with connections especially the ones were the clip is broken crazy stuff happens .... and someone was in there?..

[@miltonscornertobylove5068]

Nice one.

[@SmittySmithsonite]

Nice find there! Too bad the owner fired the parts cannon at the problem. Imagine how many unnecessary parts get sold every year - I'd bet the amount is staggering! Missed my window for TST. Wanted to meet you, and several other KZbinrs there. Probably just as well, since I went to do a spill n fill on the rear diff of the '07 Silverado, and found chunks taken out of the spiders gears, and one side gear (probably part of the G80 "Grenade Lock" got run through them). Truck is going to be on the lift a couple weeks as I eagerly await the arrival of a new air-actuated OX Locker (2 weeks before it ships). I shouldn't have any more diff problems after that, so long as I get my setup correct. Had I signed up, I might have missed the event and lost the money! That would've been a bad day! Maybe next year. Great video, as always, Paul!

[@ScannerDanner]

For sure, it would have been cool to meet you too Smitty. Maybe next year

[@alanahmed2121]

wow nice one good detective

[@mikethrapp]

Next he will see random stalls. Ive repaired a few 95-98 grand cherokees for this issue. Wiring harness falls off the firewall sags the connector and breaks the solder joints. I also just installed a turbo on a 97 4.0 ZJ 😁

[@waynesanders1406]

Scanner Danner is the manner

[@Ken-harris]

Man I gotta learn this shyt! Almost like rocket science to me I better get the book

[@ScannerDanner]

Thanks Ken! You won't be disappointed

[@maryamfarahani9939]

Nice

[@terrybaldwin8040]

I have a turn signal bulb that stays on solid and explodes when I plug in the socket with the key off. Tha k you for this. I'm going to inspect my connector pins.

[@vencentbauer]

I just had the same thing on a caddy on Friday pin bent over lol

[@KHHappYChannel168]

good father

[@karlsasgen8739]

Scanner Danner what scan tool is that from Snap on?

[@rhkips]

Man, the weird things we see in this industry! I'll blame the eBay Special on this one. I've used those Jet modules before, and they're absolute garbage; nothing more than a signal interrupt with an interpretive signal generator. Nothing says performance like latency! I'm super-stoked; just started ADAS training, and I'm starting to come across a whole new breed of problems. "Verifying your repair" is now a harrowing experience... Just let go of the steering wheel in traffic and pray! LOL

[@robertfitzgerald4759]

My TPS, Coolant temp sensor and ECT (Electronic Controlled Transmission) module are all on the same 5v reference signal (IDL). I'm reading 12 volts at the TPS but if I unplug the ECT it drops down to 4.95 volts where it should be. Does this indicate a bad ECT? Why would a ECT increase voltage on the IDL wire? Any help would be appreciated.

[@jasonc.4683]

Awesome video professor. Are u going to be at the TST training event?

[@ScannerDanner]

Yes I am!

[@jasonc.4683]

I get to finally thank u in person for playing a huge part on my road to recovery. Thank u professor. See u there. God bless

[@wyattoneable]

@@ScannerDanner See you there!

[@ScannerDanner]

If I remember, your name is not wyatt?

[@wyattoneable]

@@ScannerDanner I go by Wyatt because my last name is close to Earp but my real name is David. I'll buy you a beer. :)

[@kiddbrother3]

home run! aftermarket junk!! if it ain't broke don't fix it!! superstar!

[@khaniftikhar9225]

Nice good

[@throttlebottle5906]

A crapsler with bad wires/bent pins/bad grounds, who'd have ever guessed :)))) meanwhile I just worked for/at more than one crapsler retiree's homes last week.... all nice folks.

[@automania2157]

thank you for this great effort to teach us but may I ask .why all vehicles that you working on less than 2010

[@ScannerDanner]

I'm an aftermarket guy and the average age of the vehicles on the road are 12 years old putting us at 2007. I take them as I see them. Also this video was edited from a 2 year old video (linked in the description) The nice thing about what I show and what I focus on, is it is timeless, foundational information. Doesn't matter the year of the car, a potentiometer is a potentiometer, wouldn't you agree?

[@automania2157]

i agree proffessor and I'm your student any way .I have aquestion about alternator test why we call it ac ripple test although rectifier output is Dc

[@ScannerDanner]

It's not 100% DC, there is an AC ripple that rides underneath the DC constant.

[@kirkabrahamson1148]

Great video and testing methods. Just wanting to clarify when you said not to jump the signal to ground, you meant the sensor ground? As you had already grounded the signal wire previously through a test light to ground.

[@ScannerDanner]

I was referring to my signal circuit integrity stuff that I teach in my book and classes. In this case with scan data fixed @5v, forcing the signal low by jumping it to ground or sensor ground would have caused some bad things to happen! Prime example of why a resistor should be used when doing these integrity tests. Oh which I've found my incandescent test light works in place of the resistor.

[@kirkabrahamson1148]

@@ScannerDanner thank you. 👍👍

[@carslover3509]

Master

[@Embermist69]

Future reference for all, depending on the pin size, a pen can be used to straighten the pin up. Just remove the ink first. I can not take credit for this, saw it on a computer tech video beforehand I think, or it was a magazine.... Don't completely remember.

[@MT-rg4dm]

Dan was your test light on battery positive in the video or battery negative?

[@throttlebottle5906]

clearly on ground for the most part....

[@ScannerDanner]

Battery negative. I just wanted to prove the battery voltage I was seeing could carry current

[@themechanic6117]

Great work. How would a pin get bent like that? 🤔

[@NewLevelAuto]

The mech a nic it was driven in from Chicago 🤔

[@themechanic6117]

@@NewLevelAuto that explains it all 😂

[@ScannerDanner]

Careless plugging in of that "chip" and the fact that it didn't lock in so the owner probably had issues with it falling out.

[@ksg7821]

Code p0123 & p0223 on GM Chevrolet Aveo UVA 2008. Replaced complete throttle body with sensors and ECM. Problem not solved. Code comes back again. Please help. Thank you.

[@scottfirman]

General rule of thumb, if someone added something to their vehicle , chances are its going to create problems farther down the road. Wow! A bent pin. The thing was, it had been running that way. My guess is it happened the last time someone unplugged that unit. They never bothered checking what they did. That cost the owner money!

[@fulgenciomarcos9350]

I have a question. Once I checked the same vehicle that tps signal was fluctuating like somebody was moving the throatle . And couldn't figure it out. Any possible causes? Thanks

[@ScannerDanner]

Was it a GM electronic throttle body? TPS 2 circuit? If it was it was normal as the 5v ref for APP and TPS 2 use a pulsed reference circuit

[@jarinwilson9539]

Uh, is this a re upload? One of the other techs scared you with a spider and that intake tube(septic tank plumbing LOL) looks familiar.

[@ScannerDanner]

Yes it is. Check the description. I've begun a "ScannerDanner Shorts" playlist with these as well

[@ScannerDanner]

Check my pinned comment too please. You'll understand when you read it

[@FoxxyZella]

I got one for you 2006 H2 no codes no check engine light runs fine won't shift past 2nd gear. Install scanner zero tps volts at all gas pedal positions. tps percentages are all good from 19% to 100% any thoughts? Thank you

[@ScannerDanner]

TPS% can be substituted and lying to you. What are actually TPS voltage readings measured at the throttle body itself.

[@FoxxyZella]

@@ScannerDanner Hello and thank you I did install and new TPS and It has the same conditions. Thank you for your help.

[@arbez.nation]

Looks like that air intake is a Home Depot special.

[@IsshmanGarcia]

Hey Paul, I need your opinion on something. I got a 1999 jeep GC Laredo 4.0L straight 6. It already had the infamous crank sensor no start...tested and replaced. Now 6 months later I'm getting MIL lamp flashing (at idle or driving city or highway). Today I checked it out again in driveway. Had it at idle..when the MIL began flashing. I had a mid level scanner attached at the time looking at data and noticed that things were normal until the MIL started flashing. At the same time as the flashing, ALL the fuel trim data and 02 data went down and stayed close to ZERO (0.080). So the FT dropped to ZEROs, the MIL flashed constantly, BUT the jeep WAS NOT exhibiting any symptoms of a misfire! NO shaking, NO bucking, NO stalling...NOTHING! I also read codes. There was a misfire code, BUT it WASN'T current. Any quick opinions? I know these Jeeps are infamous- that's why I drive GM and the wife has the Jeep.( though I pay in the long run).

[@IsshmanGarcia]

@Jimmy S Thanks for the reply. I have also used my Snap On scan tool and pulled up misfire counters. Any time I watched the counters it was either the 5 and 6 cylinders and another time it showed the 1 cylinder, but NEVER showed the 3 cylinder acting up. I do have a copy of that TSB as well, but since I never seen anything on the number 3 I didn't use that fix. Maybe I'll insulate all the injectors...its cheap enough.

[@ScannerDanner]

Got nothing for you on that one. Weird

[@bladeonkovaaks4195]

I wonder why you never disconnect the pcm with a low 5v reference and touch the 5v ref pin to ground. You should know if a sensor is pulling the 5v ref to ground of if the pcm is not providing the 5v ref due to bad circuitry or pcm failure.

[@rrmech11]

👍👍

[@azekanarine6227]

Is the crank and cam sensor the same? Can they be interchanged?

[@ScannerDanner]

Not on this model

[@phigo4kins]

I am Also getting Battery Voltage at My ECT Sensor Connectors, Both Signal and Ground. When I Flick the Ignition On and Off, Half of The Voltage gets sent to Cooling Fan Relay which causes the Fan to Run at Cold Engine Start and Again When Ignition is Off For about 2 Mins. Do I Have a Short?. :? 05' Chevy Impala 3.8L

[@ScannerDanner]

Battery voltage on the coolant sensor? You sure you are measuring the ECT?

[@phigo4kins]

@@ScannerDanner Yes, I mean the PCM Side of the Wires, not the ECT Sensor side. But, I think that's normal To see Battery Voltage there with key off right.? But, when I flick key On, Battery voltage drops to 4.99V on Only the Orange/Black wire.

[@Scanner-gz1iz]

Wait i have seen this video before. Was it reuploaded?

[@ScannerDanner]

Yes, but edited, read my pinned comment up top. Thanks!

[@Trippy_Hippy89]

trying to track down a issue on my 2010 mazdaspeed 3. Car ran great and one and 2 days ago stopped firing over. i have replaced in tank pump and that is working as i can hear it and fuel will come out feed line to my high pressure fuel pump ( which is camshaft driven ) which seems to be my issue. it wont build pressure when i try to crank it, and had a solenoid on top. Threw a p0091 code, after watching videos i noticed my tps sensor, maf sensor all get a 5v ref, but also are getting 11.6 v. I cant get access to a wire diagram for it to figure this out. Been watching all your stuff last few days to help try to learn how to find this issue.

[@ScannerDanner]

Here is an option for you (For service info) It is the DIY version of what I'm using eautorepair.adtrk.biz/?a=10817&c=24&p=r&s1=

[@Trippy_Hippy89]

@@ScannerDanner I appreciate the comment. I actually own that already. I cant seem to find info in there for the connectors pin values, like what pin on a connector has a 5v ref and all ( i know those by probing around ). i am getting 12v to my TPS, MAF and i cant find out on there if i should be or not. I am also new to navigating the website.

[@ScannerDanner]

@@Trippy_Hippy89 on a MAF, you will have a 12v feed, on a potentiometer type tps, you will not. But you have an electronic throttle body, so you may be looking at a motor control wire?

[@jollivermediana1097]

Can we check this using a DMM only?

[@ScannerDanner]

yes sir

[@Sweetheartxx195]

is this how paul's educational videos on his website are set up? im very interested in learning more and am willing to pay a subscription im just curious on how they are before i pay

[@ScannerDanner]

Thanks so much @70fastback! Couldn't have said it better myself. And @Larry Sanders, if you have any additional questions or if you have any difficulty signing up email me at [e-mail] Thank you!

[@Sweetheartxx195]

@@ScannerDanner thank you both of you I will be signing up for the trial tomorrow. Your videos and south main auto have taught me a great deal!

[@calomotion5650]

I'm having the same problem with my 88 Toyota celica. The signal wire reads 11.2 volts. I'm looking for the ecm to check if theres a short curcuit in the connector

[@ScannerDanner]

It's normal on your Celica. It uses an idle contact and wot contact switch. It is NOT a normal TPS

[@calomotion5650]

@@ScannerDanner thank you so much!

[@calomotion5650]

@@ScannerDanner would you have any links to how I can adjust my tps. I moved it without thinking when I was cleaning my throttle body

[@leinadinnaz3308]

Hi ...I have a Mazda MPV ..year 2000...I changed d valve oil seal and then returned the cylinder and after that the car refuses to start..the piston is always getting flooded with petrol even though I don't crank the engine.. And have also changed the nozzles but yet it still won't stop getting flooded... Please help 😫

[@ScannerDanner]

Sounds like you pinched the injector wires in the valve cover when you reinstalled it

[@jb6574]

So the bent pin was causing a short to power on the signal wire?

[@ScannerDanner]

Yes sir

[@ovwok]

Nice hot dirty air intake system.

[@billrimmer5596]

Nice comment from Arkansas. Which scan took r u gonna use today? Did u whip the Dodge, or did it whip u?

[@ovwok]

Bill Rimmer Modis Elite today, fixed that 3.8l I sent you a picture

[@autotek7930]

What do those chips for the jeep's actually do

[@ScannerDanner]

Nothing

[@autotek7930]

@@ScannerDanner pin benders

[@autotek7930]

@@ScannerDanner I'm looking for tuning options on my 2000 xj with a 4.7l stroker engine. It's a 4.0 block with 4.2 crank and rods

[@throttlebottle5906]

lmao @ 1:06+ plumbqwik fitting for air intake tube (aka fernco) that heap has ghetto rigged all over it...

[@lou_Alvarado]

Moraleja: no le creas todo al scanner 😉

[@georgechaney4585]

Hey dan what state u live in

[@ScannerDanner]

My names Paul Danner ;-) From Pittsburgh Pa

[@throttlebottle5906]

I instantly though open/bad ground, per both codes....

[@hjs3rd]

I want to know how the pin got bent!

[@KStewart-th4sk]

Someone being careless plugging the connector in---line it up straight, or you can end up with what happened here. I have seen it before on ribbon cables. Here there was some aftermarket module plugged in; maybe the owner did it.

[@ScannerDanner]

Exactly! @K Stewart

[@mohammadkaunainansari171]

How to check the wiring diagram on the net

[@ScannerDanner]

www.scannerdanner.com/forum/post-your-repair-questions-here/3757-need-service-info-check-here.html

[@metal-koltd221]

Hello friends I have a problem with the my car Mercedes CLK 270 CDI W209 / year 2004/, I did diagnostics and wrote code p0123 what part should I look for so I can replace it with that My diagnostic is for this ECU: Engine Status: Confirmed DTC: P0123 Description: Throttle/pedal position sensor/switch A - circuit high Potential Search the Internet When you buy the 'My Dashboard, Logs, Parameters' plugin, you will get: Parameter logs playback and sharing them in CSV format OBD I l DTC decoding (extended list) Descriptions of potential causes of malfunctions for commonly encountered OBD Il DTCs Configuring all the parameters in the 'My Dashboard' section, not just 4 creating many custom dashboards Description of important parameters of the OBD Il standard

[@metal-koltd221]

Symptoms in my Mercedes : Rough idle Mercedes won’t idle High idle Idle at 2000 RPM Sudden idle surges Check engine light on Poor fuel economy Limp Mode Poor Acceleration

[@liviu2004]

Why, why no battery maintainer?

[@ScannerDanner]

Shouldn't need one when the key is only on for 10 minutes. Crap battery

[@yaboy9550]

SD what would cause my truck to idle perfectly and then tps loses power on scan tool then truck stalls and almost shuts off

[@ScannerDanner]

Focus on your TPS for sure. It is one of the inputs used by the engine computer to control idle speed.

[@yaboy9550]

SD could it possibly be wiring harness because i have already replaced tps with same outcome. Just puzzled at this moment

[@ScannerDanner]

@@yaboy9550 absolutely, look for points of contact on the harness before you start moving it around

[@mdjahidjahidansari6255]

Osm

[@joelee918]

Thank you for your great videos.I have just uploaded the Korean subtitles for this video. Can somebody confirm it please? sorry but I don't know how and where it is confirmed actually.

[@ScannerDanner]

The community confirms it and it will be released automatically by KZbin in a few weeks

[@joelee918]

My Korean subtitles were published today. I am so happy. I will try more. Thank you.

[@ScannerDanner]

Awesome! Thank you so much

[@jasonmcnamara2079]

gritting my teeth as you bend that pin back into position. Wondering if putting a bit of heat onto a bent pin with a small soldering iron ( not alot, just some ) would help reduce breakages.

[@ScannerDanner]

It didn't break and the amount of heat you would need to aid this would cause issues internal to the circuit board!

[@jasonmcnamara2079]

@@ScannerDanner i didnt feel the need for an exclamation mark when presenting my idea i arrived at from using critical thinking and having experience in electronics and being an electrical fitter/ mechanic which means i have knowledge of metal ductile and malleable qualities. Of course I considered the heat hence my suggestion. Not sure why you thought it necessary but seems you didnt read properly and consider more the idea. After having watched many of your videos and built respect for you in the way you approach analytical thinking and teach your students have to say I am disappointed in the tone of response. I guess I'll now be advised to not comment, watch or even unsubscribe if I don't like it, if in the past people had been scared to offer up ideas due to responses as such then we would not be where we are in many ways and it has historically happened. But it seems typical when someone thinks outside the box and becoming more prevalent.

[@ScannerDanner]

I hate text, you can't gauge it. You definitely read too much into my exclamation mark. Those pins are simply soldered to the circuit board, if you heat the pin, you'll risk de-soldering the connection to the board. Hence the exclamation. Make sense? It wasn't a pointed exclamation at you. Cool?

[@jasonmcnamara2079]

@@ScannerDanner my apologies for the misinterpretation. I still stick by my idea, where the pin has bent has started a work hardening process making it more likely to fracture when bent back again but some heat, and it wont be anywhere near enough to desolder the pin, would assist in making the pin more malleable and less prone to breaking. I know this probably sounds a bit over the top but when you consider it may just save alot of future hassle then wheres the harm. Its not like a powerful soldering iron held on their for a minute and it wouldnt take much heat to help. If I had a bunch of old pcm's I'd sit there, bend pins and try the idea, see how many break without the heat and then try the heat and see the result with the pcm opened up to view the pin solder point, but thats me, I have time but no old pcm's lol. Might visit a wreckers and do an experiment. Not sure how often bent pins happen but have seen this problem in a couple of videos previously so maybe its not worth the effort.

[@ScannerDanner]

No problem man, all good and all valid points. I guess I wouldn't trust myself enough with the proper amount of heat to use.

[@forgetfulme1719]

old Toyota has a 12V power source at TPS ?

[@ScannerDanner]

Yes sir, but it's not a direct battery source. It runs through a resistor in the ECM first. But it is a 0-12v on/off switch input signal (idle contact switch) used all the way back into the early 80s

[@forgetfulme1719]

@@ScannerDanner Thanks, Master, I know it comes from ECM with key on and changes from 0 to 12 V sweeping from idle to WOT, instead of the TPS with signal, 0 to 5V, that r used in later cars described, hence my confusion.

[@forgetfulme1719]

@@ScannerDannerTeacher, thanks, understood, it is a TS, no need to reply further.

[@nickh3809]

Aftermarket Chip AND dude has EXHAUST wrap around his INTAKE? 😂😂 and i thought i've seen it all.. the underhood heat soaking thru the air box raising the IAT & air temp, decreasing O2 molecules... must be killin that 1-2 HP Gain 😂😂👌😎 Dude mightve just needed a new cooling fan? +3 HP