BZ:GF-208335:WDB208335:1114:CLK200:991:G-scan:i-SCAN2 i-SCAN2
DATA STREAM (1/17)
エンジン・オイル・レベル in order reser 1 29mm フューエル・レベル オイル・テンパラチャ ( measured externally ) 100℃ エンジン回転数 (エンジン・アイドリング) 1026 1/min エンジン回転数 1/min
(2/17) スロットル・バルブ・アクチュエータ:CTP ON O2センサ(触媒の前),シグナル 25% エアマス 8 kg/h HFM-SFI 電圧 1.43V
(3/17)
スロットル・バルブ・アングル 5.7°DK エンジン回転数 1000 1/min イグニッション・タイミング ( for engine speed > = 2000rpm) -1 °KW インジェクション・タイム 4.83 ms
(4/17)
吸気流量センサ OFF カムシャフトのシグナル・センサ・シグナル存在 シグナル存在せず[signal present] 170 インテーク・エア・テンパラチャ[ < = 35.0] 7℃ パージのオン/オフ・レシオ 0 % バッテリ電圧 13.9V
(5/17)
オイル・レベル(エンジン・アイドリング 4. mm エアコン 0.80 スロットル・バルブ・アクチュエータ:WOT 0.3 スロットル・バルブ・アングル 0.14 °DK
51 OFF
(6/17)
スロットル・バルブの基本位置の学習 NO O2センサ電圧、触媒前 148 V ??? (mV) O2センサ・ヒータ、触媒前 OFF
(7/17)
パーシャル・ロード・レンジのセルフ・アジャストメント 0.53 、アイドル・レンジのセルフ・アジャストメント 0.993 ms セレクタ・レバー・ポジション P,N
(8/17)
エアコン・コンプレッサ OFF パージ OFF セーフティ・フューエル・シャットオフ OFF エンジン始動時の温度 -3 ℃
(9/17)
アフタ・スタート・エンリッチメント OFF 触媒加熱(アイドル) OFF O2センサ・ヒータ、触媒前 0.39 V ノック・コントロールの解除 OFF
110-0799 (10/17)
ノック・イグニッション・アングル: シリンダ1 0 °KW シリンダ2 0 °KW シリンダ3 0 °KW シリンダ4 0 °KW シリンダ5 0 °KW シリンダ6 0 °KW トランスミッション保護 OFF
(11/17) ノック・センサ、前 0.00 ノック・センサ、後 0.00 減速カットオフ OFF フロント・アクスルのスピード 0 km/h リヤ・アクスルのスピード 0 km/h
110-0801 (12/17) ブレーキ・ランプ・スイッチ OFF ブレーキ・ランプ・スイッチ Off Safety contact OFF クルーズ・コントロール OFF
(13/17) Maintaining gear クルーズ・コントロール・シャットオフ YES
セーフティ・フューエル・シャットオフ YES
DAS and engine control module compatible YES
110-0898 (14/17)
エンジン・コントロール:ユニット識別 YES ユニット・ロック YES スタート OK シグナル YES
110-0804 (15/17) Starts with non-inter-locked engine control module number
Sensor rotor basic adaptation complete NO / NO
110-0895 (16/17) スムーズ作動:(Cyl 5~6 only for 6-cyl engine )
シリンダ1 0.45 シリンダ2 0.00 シリンダ3 2.48 シリンダ4 0.00
シリンダ5 4.09 シリンダ6 0.00
エンジン・ラフ・カットオフの限界値 29.28 1/s^2
110-0845 (17/17)
(Cyl 5~6 only for 6-cyl engine)
シリンダ 1の故障カウンタ 0 シリンダ 2の故障カウンタ 0 シリンダ 3の故障カウンタ 0 シリンダ 4の故障カウンタ 0 シリンダ 5の故障カウンタ 0 シリンダ 6の故障カウンタ 0
センサ・ホイール(transient): Filter 1 0.00000
センサ・ホイール(transient): Filter 2 0.00000
|
O2sensor
添付した画像は、暖機完了後のもので、本文の点検項目と表示された数値などとは時間的な関連性はありません。 このテスタでの通信機能がまだ出来てない。そこでデータもデジカメでの記録などが主になってます。
ここでもタイムスタンプが明確ではないので、それを探る必要がある。
2011/2/11(金) 午後 6:25返信する
P0130:P0170:を頻繁に表示
P0130のみの表示が多いが、その場合でもMILは点灯しない。
2km程度の試運転でもDTCが補足されている。 走行データも項目を絞って収集できればその経過がみれるのか模索してみたい。
2011/2/12(土) 午後 2:10返信する
添付した画像は暖機後IDLでの波形で、少なくてもそれはそれなりの
反応をしている。 これでNG判定、交換とは難しい。 これが、冷間始動での不調時のみなら交換してみようかなではあるが、不調を感じてない時もP0130、P0170では・・・ではある。
2011/2/12(土) 午後 2:20返信する
Oxygen Sensor Tech
http://www.benzworld.org/forums/r170-slk-class/1351889-oxygen-sensor-tech.html
http://groups.yahoo.co.jp/group/ats-index/message/3693
Today's computerized engine control systems rely on inputs from a variety of sensors to regulate engine performance, emissions and other important functions. The sensors must provide accurate information otherwise driveability problems, increased fuel consumption and emission failures can result.
2011/2/12(土) 午後 5:32返信する
One of the key sensors in this system is the oxygen sensor. It is often referred to as the "O2" sensor because O2 is the chemical formula for oxygen (oxygen atoms always travel in pairs, never alone).
2011/2/12(土) 午後 5:34返信する
The first O2 sensor was introduced in 1976 on a Volvo 240. California vehicles got them next in 1980 when California's emission rules required lower emissions. Federal emission laws made O2 sensors virtually mandatory on all cars and light trucks built since 1981. And now that OBD-II regulations are here (1996 and newer vehicles), many vehicles are now equipped with multiple O2 sensors, some as many as four!
2011/2/12(土) 午後 5:34返信する
The O2 sensor is mounted in the exhaust manifold to monitor how much unburned oxygen is in the exhaust as the exhaust exits the engine. Monitoring oxygen levels in the exhaust is a way of gauging the fuel mixture. It tells the computer if the fuel mixture is burning rich (less oxygen) or lean (more oxygen).
2011/2/12(土) 午後 5:35返信する
A lot of factors can affect the relative richness or leanness of the fuel mixture, including air temperature, engine coolant temperature, barometric pressure, throttle position, air flow and engine load. There are other sensors to monitor these factors, too, but the O2 sensor is the master monitor for what is happening with the fuel mixture. Consequently, any problems with the O2 sensor can throw the whole system out of whack.
2011/2/12(土) 午後 5:35返信する
LOOPS
The computer uses the oxygen sensor input to regulate the fuel mixture, which is referred to as the fuel "feedback control loop." The computer takes its cues from the O2 sensor and responds by changing the fuel mixture. This produces a corresponding change in the O2 sensor reading. This is referred to as "closed loop" operation because the computer is using the O2 sensor's input to regulate the fuel mixture.
2011/2/12(土) 午後 5:36返信する
The result is a constant flip-flop back and forth from rich to lean which allows the catalytic converter to operate at peak efficiency while keeping the average overall fuel mixture in proper balance to minimize emissions. It is a complicated setup but it works.
2011/2/12(土) 午後 5:37返信する
When no signal is received from the O2 sensor, as is the case when a cold engine is first started (or the 02 sensor fails), the computer orders a fixed (unchanging) rich fuel mixture. This is referred to as "open loop" operation because no input is used from the O2 sensor to regulate the fuel mixture.
2011/2/12(土) 午後 5:38返信する
If the engine fails to go into closed loop when the O2 sensor reaches operating temperature, or drops out of closed loop because the O2 sensor signal is lost, the engine will run too rich causing an increase in fuel consumption and emissions. A bad coolant sensor can also prevent the system from going into closed loop because the computer also considers engine coolant temperature when deciding whether or not to go into closed loop.
2011/2/12(土) 午後 5:39返信する
HOW IT WORKS
The O2 sensor works like a miniature generator and produces its own voltage when it gets hot. Inside the vented cover on the end of the sensor that screws into the exhaust manifold is a zirconium ceramic bulb. The bulb is coated on the outside with a porous layer of platinum. Inside the bulb are two strips of platinum that serve as electrodes or contacts.
2011/2/12(土) 午後 5:40返信する
The outside of the bulb is exposed to the hot gases in the exhaust while the inside of the bulb is vented internally through the sensor body to the outside atmosphere. Older style oxygen sensors actually have a small hole in the body shell so air can enter the sensor, but newer style O2 sensors "breathe" through their wire connectors and have no vent hole.
2011/2/12(土) 午後 5:40返信する
It is hard to believe, but the tiny amount of space between the insulation and wire provides enough room for air to seep into the sensor (for this reason, grease should never be used on O2 sensor connectors because it can block the flow of air). Venting the sensor through the wires rather than with a hole in the body reduces the risk of dirt or water contamination that could foul the sensor from the inside and cause it to fail.
2011/2/12(土) 午後 5:41返信する
The difference in oxygen levels between the exhaust and outside air within the sensor causes voltage to flow through the ceramic bulb. The greater the difference, the higher the voltage reading.
2011/2/12(土) 午後 5:42返信する
An oxygen sensor will typically generate up to about 0.9 volts when the fuel mixture is rich and there is little unburned oxygen in the exhaust. When the mixture is lean, the sensor output voltage will drop down to about 0.2 volts or less. When the air/fuel mixture is balanced or at the equilibrium point of about 14.7 to 1, the sensor will read around .45 volts.
2011/2/12(土) 午後 5:42返信する
oxygen sensor switching voltage
When the computer receives a rich signal (high voltage) from the O2 sensor, it leans the fuel mixture to reduce the sensor's reedback voltage. When the O2 sensor reading goes lean (low voltage), the computer reverses again making the fuel mixture go rich. This constant flip-flopping back and forth of the fuel mixture occurs with different speeds depending on the fuel system.
2011/2/12(土) 午後 5:43返信する
The transition rate is slowest on engines with feedback carburetors, typically once per second at 2500 rpm. Engines with throttle body injection are somewhat faster (2 to 3 times per second at 2500 rpm), while engines with multiport injection are the fastest (5 to 7 times per second at 2500 rpm).
2011/2/12(土) 午後 5:44返信する
The oxygen sensor must be hot (about 600 degrees or higher) before it will start to generate a voltage signal, so many oxygen sensors have a small heating element inside to help them reach operating temperature more quickly. The heating element can also prevent the sensor from cooling off too much during prolonged idle, which would cause the system to revert to open loop.
2011/2/12(土) 午後 5:45返信する
Heated O2 sensors are used mostly in newer vehicles and typically have 3 or 4 wires. Older single wire O2 sensors do not have heaters. When replacing an O2 sensor, make sure it is the same type as the original (heated or unheated)
2011/2/12(土) 午後 5:46返信する
A NEW ROLE FOR O2 SENSORS WITH OBD II
Starting with a few vehicles in 1994 and 1995, and all 1996 and newer vehicles, the number of oxygen sensors per engine has doubled. A second oxygen sensor is now used downstream of the catalytic converter to monitor converter operating efficiency. On V6 or V8 engines with dual exhausts, this means up to four O2 sensors (one for each cylinder bank and one after each converter) may be used.
2011/2/12(土) 午後 5:47返信する
upstream and downstream oxygen sensors
The OBD II system is designed to monitor the emissions performance of the engine. This includes keeping an eye on anything that might cause emissions to increase. The OBD II system compares the oxygen level readings of the O2 sensors before and after the converter to see if the converter is reducing the pollutants in the exhaust.
2011/2/12(土) 午後 5:48返信する
If it sees little or no change in oxygen level readings, it means the converter is not working properly. This will cause the Malfunction Indicator Lamp (MIL) to come on.
2011/2/12(土) 午後 5:49返信する
SENSOR DIAGNOSIS
O2 sensors are amazingly rugged considering the operating environment they live in. But O2 sensors do wear out and eventually have to be replaced.
The performance of the O2 sensor tends to diminish with age as contaminants accumulate on the sensor tip and gradually reduce its ability to produce voltage.
2011/2/12(土) 午後 5:50返信する
This kind of deterioration can be caused by a variety of substances that find their way into the exhaust such as lead, silicone, sulfur, oil ash and even some fuel additives. The sensor can also be damaged by environmental factors such as water, splash from road salt, oil and dirt.
2011/2/12(土) 午後 5:51返信する
As the sensor ages and becomes sluggish, the time it takes to react to changes in the air/fuel mixture slows down which causes emissions to go up. This happens because the flip-flopping of the fuel mixture is slowed down which reduces converter efficiency.
The effect is more noticeable on engines with multiport fuel injection (MFI) than electronic carburetion or throttle body injection because the fuel ratio changes much more rapidly on MFI applications.
2011/2/12(土) 午後 5:52返信する
If the sensor dies altogether, the result can be a fixed, rich fuel mixture. Default on most fuel injected applications is mid-range after three minutes. This causes a big jump in fuel consumption as well as emissions. And if the converter overheats because of the rich mixture, it may suffer damage.
One EPA study found that 70% of the vehicles that failed an I/M 240 emissions test needed a new O2 sensor.
2011/2/12(土) 午後 5:53返信する
The only way to know if the O2 sensor is doing its job is to inspect it regularly. That is why some vehicles (mostly imports) have a sensor maintenance reminder light. A good time to check the sensor is when the spark plugs are changed.
You can read the O2 sensor's output with a scan tool or digital voltmeter, but the transitions are hard to see because the numbers jump around so much.
2011/2/12(土) 午後 5:54返信する
An analog voltmeter is better for viewing transitions, but may not respond quickly enough on systems with higher transition rates. So the best instrument for observing the O2 sensor voltage output is a digital storage oscilloscope (DSO). A scope will display the sensor voltage output as a wavy line that shows both it's amplitude (minimum and maximum voltage) as well as its frequency (transition rate from rich to lean).
O2 Sensor Waveform Chart
2011/2/12(土) 午後 5:54返信する
A good O2 sensor should produce an oscillating waveform at idle that makes voltage transitions from near minimum (0.1 v) to near maximum (0.9v). Making the fuel mixture artificially rich by feeding propane into the intake manifold should cause the sensor to respond almost immediately (within 100 milliseconds) and go to maximum (0.9v) output.
2011/2/12(土) 午後 5:56返信する
Creating a lean mixture by opening a vacuum line should cause the sensor output to drop to its minimum (0.1v) value. If the sensor does not flip-flop back and forth quickly enough, it may indicate a need for replacement.
2011/2/12(土) 午後 5:56返信する
If the O2 sensor circuit opens, shorts or goes out of range, it may set a fault code and illuminate the Check Engine or Malfunction Indicator Lamp. If additional diagnosis reveals the sensor is defective, replacement is required.
2011/2/12(土) 午後 5:57返信する
But many O2 sensors that are badly degraded continue to work well enough not to set a fault code, but not well enough to prevent an increase in emissions and fuel consumption. The absence of a fault code or warning lamp, therefore, does not mean the O2 sensor is functioning properly.
CONT:
2011/2/12(土) 午後 5:58返信する
W202C200 ダイレクトイグニッションコイル1台分
Y10000.-
http://page4.auctions.yahoo.co.jp/jp/auction/d115966131
W202 W208 オルタネーター C200 CLK200 C220 C230 C250 C240 他
Y25700.-
http://page5.auctions.yahoo.co.jp/jp/W202-W208-オルタネーター-C200-CLK200-C220-C230-C250-C240-他/auction/e102076012#enlargeimg
2011/2/14(月) 午後 2:24返信する
W208 98y CLK200 ドアロックポンプ
Y16500.-
http://page5.auctions.yahoo.co.jp/jp/auction/e101545936#enlargeimg
2088000948[06]0132006356
1005406:K10(944)
made in France
2011/2/14(月) 午後 2:31返信する
Cクラス 202020●エバポレーター
http://page5.auctions.yahoo.co.jp/jp/auction/e101470957
http://benz.zero-city.com/check.html
2011/2/14(月) 午後 2:34返信する
A-2094★DIXCEL W208 CLK200 Compressorローター送料込★
\ 26,990 (税込)
http://www.carview.co.jp/market/parts/detail.aspx?id=65020
2011/2/14(月) 午後 2:38返信する
P2029
エンジンチェックランプ点灯で入庫のW209・CLK200コンプレッサー
http://blog.jinguji.com/article/195499257.html
2012/3/5(月) 午後 5:58返信する
トラックバックされた記事
BZ:W209:CLK200:DTC:P2029:
BZ:W209:CLK200:DTC:P2029: P2029 measured value of intake air temperature sensor implausible P2029 Fuel mixture stop (rich) http://forums.mercedesclub.org.uk/showthread.php?t=79572 P2029 mixture format self adapt ion fuel trim hello, ho
2012/3/5(月) 午後 6:20 [ 車QF ]
トラックバック先の記事