Question about Northwestern Bell BELL Equipment Sonecor BE-5300BLF Corded Phone

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Posted on Jul 01, 2009

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What is the definition of est


EST has over 300 definitions, without knowing what context you mean we can only make assumptions!! Here are about 70 ranging from the most common going down to the least common
EST Eastern Standard Time (GMT-0500)
EST Energy Saving Trust (UK)
EST Established
EST Estimated
EST Estimate
EST Estimation
EST Estimated Value (used in auctions)
EST Estonia
EST Estonian (language)
EST Estates
EST Esther
EST Expressed Sequence Tag
EST Electronic Systems Technician (job title)
EST Environmentally Sustainable Transport
EST Environmental Science and Technology
EST Electronic Shipping Tools (Canada Post)
EST Escola Superior de Tecnologia (Portugal)
EST Environmentally Sound Technologies
EST Esbj?rn Svensson Trio (Sweden)
EST Electroshock Therapy
EST English for Science and Technology (various schools)
EST Energy Saving Technology
EST Electronic Sell-Through
EST Electrical Safety Testing
EST Engagement Skills Trainer
EST Emergency Support Team
EST Exercise Stress Test (aka treadmill test)
EST European Society for Translation Studies
EST Executive Steering Committee
EST Erhard Seminar Training (Werner Erhard)
EST Electronic Spark Timing (GM)
EST Encefalopatie Spongiformi Trasmissibili (Italian: Bovine Spongiform Encephalopathy)
EST Exercise Study (EU, UN)
EST Endoscopic Sphincterotomy
EST Emergency Services Team
EST Electrical Safety Test (band)
EST Elevated Storage Tank
EST Emitter Switched Thyristor
EST Edwards Systems Technologies (GE Security)
EST Evaluation Summary Table
EST Enlisted Specialty Training
EST Essential Subjects Training
EST Equal Spin Temperature
EST Equipment Status Telemetry
EST Enfermedad Sexualmente Transmisible (Spanish for STD)
EST Enlisted Screening Test
EST Educational School Tours, Inc.
EST Electronic Security Tactical (US military)
EST Engineering Screening Team
EST Enroute Support Team
EST Environmental System Test
EST Evolutionary Structural Testing
EST Electronic Shelf Tag
EST Electronic Systems Technologies (various schools)
EST Earliest Start Time
EST ?cole Secondaire et Technique (French: Secondary and Technical School)
EST ?cole Sup?rieure des Transports (French: Higher School of Transport)
EST Ecologically Sustainable Tourism
EST Economic Secretary to the Treasury (UK)
EST Edge Seal Technologies (est. 1987; Ohio)
EST Education Support Team (various locations)
EST Engineering, Sciences and Technology (various organizations)
EST English Study Tours (UK)
EST Empirically Supported Treatment (psychotherapy)
EST Employee Share Trust
EST Evangelical School of Theology (various locations)
EST Estimated Starting Time
EST Environmentally Superior Technology
EST Enseignement Secondaire Technique (French: Technical Secondary Education)
EST Ensemble Studio Theatre (various locations)
EST Enterprise Search Text (software)
EST Enterprise Software Technology
EST Enterprise Support Technician (Microsoft)
EST Esp?rance Sportive de Tunis (Tunisian sports club)

Nov 11, 2014 | Games

1 Answer

Baterie potrivita aprelia atlantic500


Hi , Anonim pentru aceast? situa?ie a? numi dealer meu local sau de serviciu / departament piese magazin de renume ?i ?ntreba despre orice posibil? fix / testare sau p?r?i de anchet? rapid? . Dac? transportul este necesar autovehiculul la dealer sau magazin ?i au un tehnician profesionist -l ia pentru un test drive , ?n cazul ?n care este ?n stare de func?ionare , ?i v? va oferi o estimare ?n scris de repara?ii ?i r?spunde la orice ?ntreb?ri specifice pe care le ave?i cu privire la problema ta. Pentru mai multe informa?ii despre problema dvs. , v? rug?m s? vizita?i site-ul de mai jos . Mult noroc ?i au o zi frumoas? . DOWNLOAD 2005 Aprilia Atlantic 500

Jan 18, 2014 | 2005 Aprilia Atlantic 500

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Buick Park Ave code 42 "EST"?


Depends. You would need a volt-ohm meter and the book to get the testing steps. You may need a scanner too.
You would need to be able to test the circuits in the ignition control module where the coils are mounted and the crank - cam sensors.

Jun 05, 2013 | 1989 Buick Park Avenue

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Ce ulei este bun ptentru aprilia habana


Hi , Anonim pentru aceast? situa?ie a? numi dealer meu local sau de serviciu / departament piese magazin de renume ?i ?ntreba despre orice posibil? fix / testare sau p?r?i de anchet? rapid? . Dac? transportul este necesar autovehiculul la dealer sau magazin ?i au un tehnician profesionist -l ia pentru un test drive , ?n cazul ?n care este ?n stare de func?ionare , ?i v? va oferi o estimare ?n scris de repara?ii ?i r?spunde la orice ?ntreb?ri specifice pe care le ave?i cu privire la problema ta. Pentru mai multe informa?ii despre problema dvs. , v? rug?m s? vizita?i site-ul de mai jos . Mult noroc ?i au o zi frumoas? . https://www.tradebit.com/filesharing.php/search/0/2005+aprilia+leonardo+125

Jul 29, 2012 | 2005 Aprilia Leonardo 125

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Engine stalls driving down the road or on take off. Had code 42. electronic spark tining. E S T circiut fault. Cleared codes and installed a fuel pressure gauge. On test drive the motor, (3.1 EFI) still...


Trouble Code 42 indicates that there may be a malfunction in the Electronic Spark Timing (EST) system. During cranking, the timing is controlled by the ignition module and the ECM grounds the EST line. It expects to see no activity on this line at this time. When the ECM enters EST mode, it applies +5 volts to the BYPASS line and expects to see voltage variations on the EST line.
Reasons for the ECM to set Code 42:
1. System in BYPASS mode (i.e. EST line supposedly grounded) but activity sensed on EST line
2. System in EST mode (i.e. BYPASS line driven with +5 volts) but no activity seen on the EST line

Possible causes include:
1. BYPASS line is open or grounded
2. EST line is open or grounded
3. Poor connections between ignition module and ECM
4. Poor routing of EST harness and/or poor quality ignition wires (EMI induced electrical noise
5. Faulty or incorrect ignition module
6. Faulty ECM
7. Faulty Pick Up Coil
8. Faulty Ignition Control Module
9. Faulty Crank Sensor or the Crank Sensor magnet probe could be cracked

Jan 15, 2011 | 1991 Chevrolet Lumina

1 Answer

What is code 42 for a pontiac 6000 and what do i do to fix it


. This is a common code that is often difficult to diagnose and scan tools can't help. The following understanding of how the electronic spark timing (EST) system works - what is taking place and why - is a big step toward a quicker and easier diagnosis of this circuit. When the engine is turning over, but below the run threshold of 400 RPM, the ECM holds the module's bypass voltage too low (0 volts) to energize its solid-state switch (ignition module). Another way of looking at the solid-state switch is to think of it as a relay. When voltage is applied, the relay is energized. With no voltage applied, the relay is de-energized. The pick-up coil/crank sensor pulses are amplified and shaped by the ignition module. These pulses are used to complete the circuit creating a magnetic field in the ignition coils primary winding that, when collapsing, will induce a high voltage in the secondary winding. Therefore, for every crank sensor/pick-up pulse, the coil is triggered. This is known as the bypass mode or module mode of operation. In this mode, the engine is running on the timing advance that is built into the ignition module. With the voltage low on the bypass wire, the EST is pulled to ground through a resistor in the ignition module. This keeps the voltage on the EST wire at around 300 mV. When the ECM sees the RPM over the run threshold, it will then apply 5 volts to the bypass wire that will activate the solid-state switch (relay). This in turn will switch the EST from ground to the base of the transistor that controls the primary coil. In this mode, the primary coil winding is being triggered by the altered signal sent out from the ECM. The ECM will alter the signal to the ignition module and control the timing based on the inputs from various sensors. This is referred to as the EST mode. This is how the system is designed to work! Now let's look at some of the things that can cause problems and set a Code 42. Under 400 RPM, no voltage on the bypass wire, the ECM expects to see low voltage (300 mV) on the EST line during this condition. If it sees 0 volts, indicating an open in the EST circuit - or higher than 500 mV - it sets a Code 42 and stays in the bypass mode. If the bypass line is open, or grounded, the ignition module will not switch to the EST mode. The ignition module needs the bypass voltage to activate the solid-state switch so the EST voltage will be low over 400 RPM and a Code 42 will set. If the EST line is grounded, the ignition module will switch to the EST - but because the line is grounded, there will be no EST signal. A Code 42 will set. To check the ignition module to see if the solid-state switch is capable of switching when the 5 volts are applied, the engine should not be running and the ECM connectors should be disconnected. An ohm meter and test light can be used. With the ohm meter on the EST circuit, it should read less that 500 ohms (in some cases, a lot less). Using a test light to battery voltage, probe the bypass wire. With this voltage applied to the bypass wire, the solid-state switch inside the ignition module should switch and the ohm meter on the EST circuit should go over 5,000 ohms. There is also another way to check this with the engine running: by removing the bypass and the EST wire from the module or ECM, run a jumper from the reference wire to the EST circuit. The reference signal is the signal that is used in the bypass mode to trigger the primary coil voltage. Apply 5 volts from one of the 5-volt reference circuits or a test light to battery voltage. This voltage on the bypass wire will activate the solid-state switch, in turn switching the module. On some models, the 5 volts or test light will have to be applied before starting or the motor will stall when the voltage is applied to the bypass. If the module is switching OK, the car will continue to run on the reference signal. If it stalls, the ignition module is not switching properly. There are some other checks that can be made when working with an intermittent Code 42. When using a digital volt ohm meter (DVOM), there should be 5 volts on the bypass wire. On the EST wire, with the engine running, there will be close to 2.3 volts. The EST is a 5 volt on/off digital signal, so with a volt meter you will see the average of the high and the low. With the EST signal being a digital on/off signal, if you have a meter that will read in Hz, you can also pick up a Hz reading on the EST wire. Normally, you will see about 28 Hz with the engine idling and will increase with RPM. If the EST circuit would become momentarily grounded, or open, the engine will cut out. The voltage reading will jump down to as low as 1.3 volts and the Hz reading will jump from as low as 17 to 128 Hz. If there is a problem in the EST circuit, the voltage on the bypass wire will not change. If the bypass wire is momentarily grounded or open, the reading on the EST wire will be the same as if it was grounding or going open, but unlike a problem on the EST circuit, the bypass voltage will be pulled low if it becomes grounded or goes open. If this happens fast enough, the engine will cut out. The voltages will vary, but the SES light will not come on and no codes will be set. With the EST circuit open, engine running, the voltage will stay low on the bypass wire and the ECM will not put out the 5 volts. With the EST shorted to ground, the voltage on the bypass wire will be high (5 volts) for a very short time (three seconds or less) then the ECM will remove the 5 volts. Using a min/max on the DVOM is the best way to see this voltage. With the bypass open, the EST circuit OK, the ECM will put out the 5 volts. By using a DVOM on both the EST and bypass wire, you can tap on the ECM, wiggle and tug on the wiring to see if the voltage or Hz reading will change. If it does, this is an indication that you have located the problem area.

Mar 17, 2010 | 1987 Pontiac 6000

1 Answer

Bonjour est elle au norme CE


This is a test by FixYa Staff.

MODS - DO NOT REMOVE

Thank you!

Sep 22, 2009 | SafeTech Triple Jogging Stroller

1 Answer

I have a buick 3800 code is 361 est not togging what that mean


EST is electronic spark timing, you need to have the system tested by GM

Apr 14, 2009 | 1995 Buick LeSabre

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1991 chevy S 10 EST not working


Check out the Knox sensor & or the Blue wire going to it if it is Grounded , the timing will not Advance, Knox sensor is there to detect knock then it grounds if it catches a Knock to Prevent
Pre Ignition Ping-SPARK KNOCK-

Dec 08, 2008 | 1991 Chevrolet S-10

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