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Jeep Wrangler YJ
YJ General Discussion
5 volts TPS
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<blockquote data-quote="deadpool1" data-source="post: 441231" data-attributes="member: 21229"><p>I can not answer your question, about TPS you use the wrong names, ACC ? ASE?</p><p>the pins are named</p><p>ground pin 1, color black/light blue (BK/LB)</p><p>TPS output signal pin2 or in modern terms Throttle angle <<< nice name no? color (orange dark blue. OR/DB)</p><p>and 5vdc power pin3 , VT/WT violet /white wire. color. it is 5vdc at all time key on, +/-10% spec.</p><p>if it fails say what pin failed, and how measured (connections)</p><p></p><p></p><p>I can not see you uses your meter at the TPS, at all. if I did I'd have lots more to say,</p><p>there are 4 tests. I do at the TPS,(ask)</p><p></p><p>I have no idea what pins you tested nor how the meter was connected, at the test.</p><p>and if engine was key on not running or at idle.</p><p></p><p>Not told yet if engine MISFIRES at <strong><em>WOT</em></strong></p><p>not told yet if new TPS cured the DTC error 24 or not. </p><p>to clear all DTC just pull the battery neg lug for 5min, this also causes ECU to recalibrate the TPS>.</p><p></p><p>wot = wide open throttle driving. for sure up hills oops sorry no hills in FL. so wot on flat ground and do so in all gears</p><p>up to 50 mph, full clean power delivery to the rear wheels at WOT. </p><p>I am still gathering evidence, I can not drive the car and learn all modes of driving the causes MISFIRE.</p><p></p><p></p><p>the o2 senser on all cars (front) can fail in many ways but here are these ways below. in brief.</p><p>The O2 sensor is offline at WOT, that is why I keep begging does it misfire WOT, (crickets)</p><p>O2 fails list:</p><p>it's bad and stuck at 0vdc out and the voltage never swings and its bad. ECU goes to MAX RICH fuel injection and sure can misfire. too rich for sure cars 1980 to 1995, old ECU. OBD2 cures some if the bad acts of OBD1. this is a fact.</p><p></p><p>1996 cars and up as less this effect. but 95 down are OBD1 and are more crude ECU.</p><p>the pin is called O2 CELL+ this is measured oxygen, (and works only in closed loop hot engine)</p><p>the 02 scan stick at a high voltage out if its internal heater shorts to the CELL+ output pin DTC 21, 51 or code 52 errors.</p><p>Just unplug the 02 like I told you to run the test. and tell if DTCs are still present, at every post. CEL glowing running means DTC are live or stored.</p><p>failure #2 the 02 sensor fails even replaced 10 times, due to the exhaust header, and pipe there is cracked or the header donut</p><p>gasket is cracked sucking in air, air is 20% oxygin so makes the 02 sensor lie like a dog. (it sticks at 0v and ECU goes max rich)</p><p></p><p>end 02 wonders. ( i have in my files photos my scope readings of every 02 sensor failing for all modes of failure)</p></blockquote><p></p>
[QUOTE="deadpool1, post: 441231, member: 21229"] I can not answer your question, about TPS you use the wrong names, ACC ? ASE? the pins are named ground pin 1, color black/light blue (BK/LB) TPS output signal pin2 or in modern terms Throttle angle <<< nice name no? color (orange dark blue. OR/DB) and 5vdc power pin3 , VT/WT violet /white wire. color. it is 5vdc at all time key on, +/-10% spec. if it fails say what pin failed, and how measured (connections) I can not see you uses your meter at the TPS, at all. if I did I'd have lots more to say, there are 4 tests. I do at the TPS,(ask) I have no idea what pins you tested nor how the meter was connected, at the test. and if engine was key on not running or at idle. Not told yet if engine MISFIRES at [B][I]WOT[/I][/B] not told yet if new TPS cured the DTC error 24 or not. to clear all DTC just pull the battery neg lug for 5min, this also causes ECU to recalibrate the TPS>. wot = wide open throttle driving. for sure up hills oops sorry no hills in FL. so wot on flat ground and do so in all gears up to 50 mph, full clean power delivery to the rear wheels at WOT. I am still gathering evidence, I can not drive the car and learn all modes of driving the causes MISFIRE. the o2 senser on all cars (front) can fail in many ways but here are these ways below. in brief. The O2 sensor is offline at WOT, that is why I keep begging does it misfire WOT, (crickets) O2 fails list: it's bad and stuck at 0vdc out and the voltage never swings and its bad. ECU goes to MAX RICH fuel injection and sure can misfire. too rich for sure cars 1980 to 1995, old ECU. OBD2 cures some if the bad acts of OBD1. this is a fact. 1996 cars and up as less this effect. but 95 down are OBD1 and are more crude ECU. the pin is called O2 CELL+ this is measured oxygen, (and works only in closed loop hot engine) the 02 scan stick at a high voltage out if its internal heater shorts to the CELL+ output pin DTC 21, 51 or code 52 errors. Just unplug the 02 like I told you to run the test. and tell if DTCs are still present, at every post. CEL glowing running means DTC are live or stored. failure #2 the 02 sensor fails even replaced 10 times, due to the exhaust header, and pipe there is cracked or the header donut gasket is cracked sucking in air, air is 20% oxygin so makes the 02 sensor lie like a dog. (it sticks at 0v and ECU goes max rich) end 02 wonders. ( i have in my files photos my scope readings of every 02 sensor failing for all modes of failure) [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
5 volts TPS
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