I suspect the wire coming from the speed sensor got stretched during the accident and the wires are internally broken and separated. 8K subscribers Subscribe 567 Share 130K views 4 years ago 1998 Nissan Frontier 5 speed manual transmission Show more Show more How to Test a. Sep 15, 2020 A faulty vehicle speed sensor can cause other issues besides just the engine performance. According to the link, its 0. Feb 19, 2016 I am chasing the Volvo flashing up arrow and gear selector light issue on our 1998 S90. Throttle Position (TP) Sensor. 17 Speed Sensor problem of the 2011 Ford F. In 4W LO, it is the transfer case output speed sensor that shifts the transmission, (Refer to Figure 57 1994 to 1995 "K" trucks with 4L80E transmission, eliminated the function of the output shaft speed sensor in the rear of the. 2005 NEWMAR Dutch Star Freightliner 330 Cat. This device (Figure 8) contains a permanent magnet sur-rounded by a coil of wire producing a magnetic eld which is interrupted by rotor teeth on the output shaft. Probe the wiring connectors and measure the output voltage in AC millivolts. Sensors flying off of their shaft entirely. How do you fix a transmission sensor Replacing Your Transmission Speed Sensors. Symptoms of faulty speed sensors can result in a damaged battery coil pack, faulty throttle position sensor, and other sensor issues, resulting in a lack of communication between parts. The specification for active sensors is between 1,000 and 2,500 ohms. The front sensors both read about 450 ohms, but there 125 each. The DIY cost for replacing a speed sensor is the cost of the sensor. An old Wheel Speed Sensor that I removed measures 6. I then checked the speed sensor on the differential and found its ohm reading to be 1280 ohms versus the 300 - 600 ohm range. CHECK THE FOLLOWING Monitor the road speed (from the vehicle speedometer) and the output shaft speed while driving on the road or on a rolling road. How many ohms should a speed sensor read. Solenoidsensor locations 1) PCS3 (Pressure control solenoid) 2) PCS4 3) PCS3 4) SS2 (Shift solenoid) 5) TCC solenoid 6) PCS5 7) PCS1 8) SS1 9) TFT (transmission fluid temp) 10) Inputoutput speed sensor connector. although Miguel told me to check the Grounding wires 53 & 57, which i did. Symptoms of faulty speed sensors can result in a damaged battery coil pack, faulty throttle position sensor, and other sensor issues, resulting in a lack of communication between parts. The first is known as the input shaft speed (ISS) sensor. wm; zo. A DVOM or analog Ohmmeter is required. Start the engine. If one reading doubles so. 92 or as much as 100. When measured across the connector two terminals, the resistance should be 4x4 front sensor 893-1208 ohms. This is a normal range for all passive sensors. How many ohms should a speed sensor read. by 93Regina 20 Feb 2016, 0224. The specification for active sensors is between 1,000 and 2,500 ohms. Step 5. The specification for active sensors is between 1,000 and 2,500 ohms. ItemSS S-28114 152. On a passive ABS sensor, measuring resistance across the signal and ground leads generally produces a reading of 800-2000 ohms. See pictures below for example. A transmission speed sensor can malfunction for a variety of reasons Corrosion of the component. If the sensor is within specs (typically 800 to 1,800 ohms), the problem is in the wiring . Throttle Position (TP) Sensor. The sensor&x27;s output signal should increase smoothly between 1. Volvo says "Resistance should vary from 600-1600 ohms as rear wheels are rotated. A wheel speed sensor is an electronic device that measures the rotational speed of a. OHMS on new sensor should be between 17K - 21K. How many ohms should a speed sensor read between 1,000 and 2,500 ohms The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. my ABS kicks in all the time when going slow, less than 5MPH. 24 dic 2020. my ABS kicks in all the time when going slow, less than 5MPH. Ohms, which measure electrical resistance, can be converted to kiloohms by multiplying by 1,000. Aug 11, 2022 How many ohms should a speed sensor read The specification for active sensors is between 1,000 and 2,500 ohms, while the typical reading for a passive wheel speed sensor ranges between 1,000 and 2,500 ohms. Connect the VSS to a power drill so you can simulate the rotation of the vehicles transmission and read the multimeter to see if the voltage increases as the speed increases to check if the sensor is working properly. NEW - Coolant Level Sensor Kenworth. I had taken it to the trans shop and he said it was the sensor throwing the code, I just didnt know if the sensor was bad, the wiring, or anything else in between. A good wheel speed sensor and circuit will typically have a resistance of 800 to 1400 ohms (specs vary, so refer to a manual for the exact numbers). Possible misfire-like symptoms. 92 or as much as 100. How many ohms should a speed sensor read between 1,000 and 2,500 ohms The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. Damage to any of the converter dimples will result in an uneven signal from the engine speed sensor to the TCM causing a complaint of torque converter surge. MAF Sensor Voltage With the MAF sensor connected, probe the MAF sensor connector between MAF and the negative battery terminal and start the engine. It&39;s been a few weeks since I asked about the front sensor resistance. This is a normal range for all passive sensors. This should be done through the breakout box to check the entire circuit. Note the ohm reading on the gauge. If the resistance is 190-250 ohms, the sensor is okay. 32 Votes) The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. How do I test a transmission speed sensor with a multimeter. The specification for active sensors is between 1,000 and 2,500 ohms. May 5, 2020 5 Common Bad Speed Sensor Symptoms Transmission problems. When this is the case, the 4Runner will no longer be able to determine what the VSS is reading. If your hood uses a rod to hold it open, move the rod to its. NEW - Coolant Level Sensor Kenworth. This is a. Search articles by subject, keyword or author. Any ideas I read somewhere that i need to pass a magnet in. Connect the new sensor to the vehicle&x27;s wiring. The DIY cost for replacing a speed sensor is the cost of the sensor. A steady. Sep 10, 2007 The front sensors both read about 450 ohms, but there 125 each. Hyundai Sonata Ignition Misfire Sensor. GET 30 OFF EVERYTHING. Edited by bleedred 4212018 0002. Service manual just says current in the wheel sensor circuit should be btwn 6. The current and former sensors are fully interchangeable. It&x27;s located in the valve body or oil pan of the transmission or transaxle. This reading should be between 700 and 3000 ohms. Apr 29, 2022 On a passive ABS sensor, measuring resistance across the signal and ground leads generally produces a reading of 800-2000 ohms. The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. Most abs sensors on cars have a resistance of approx 1000 -1500 ohms. Many sensors that use communication protocols require a minimum of 150 to 180, so choose the Ohm value on the multimeter that is closest to, yet bigger than, 200. Step 6. As described, this sensor is used to monitor the speed of the transmission&39;s input shaft. Therefore, a failing speed sensor will have a direct impact on automatic transmission operation. Report abuse. It reads 5. 5 Common Bad Speed Sensor Symptoms Transmission problems. The specification for active sensors is between 1,000 and 2,500 ohms. The rear sensor is 1500 ohms, I replaced it cause its 18. Hyundai Sonata Air Bag Impact Sensor. . The sensor andor harness should be disconnected from the circuit so you are not measuring resistance in the ABS unit. I have replaced the PNP, Check the ohms on the transmission speed sensor (it was within the 300 -600ohm range that Alldata says is good). 8K subscribers Subscribe 567 Share 130K views 4 years ago 1998 Nissan Frontier 5 speed manual transmission Show more Show more How to Test a. Sep 30, 2020 The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. I suspect the wire coming from the speed sensor got stretched during the accident and the wires are internally broken and separated. This is a normal range for all passive sensors. Disconnect the VSS sensor connector and turn on the ignition key. I then checked the speed sensor on the differential and found its ohm reading to be 1280 ohms versus the 300 - 600 ohm. PLEASE READ AND FOLLOW. This is a. The most common speed sensor problems are as follows. 54 OHMS. 5 YE L-BU 0. The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. There are three possible sensor. The DIY cost for replacing a speed sensor is the cost of the sensor. The two readings should maintain the same ratio. Mar 14, 2019 A cars transmission speed sensor also allows the vehicle to keep track of the distance it has travelled for every 40,000 magnetic pulses, the odometer reading increases by one mile. So, I did a check on all 3 of my ABS sensors with an ohm meter. The most common speed sensor problems are as follows. How do I know if my speed sensor is working The following signs will show you if your transmission speed sensor has failed. May 5, 2020 5 Common Bad Speed Sensor Symptoms Transmission problems. There are three possible sensor. Results 1 - 16 of 5000. Always look up the exact specifications because they . The other test is with a scan tool. &0183;&32;How many ohms should a speed sensor read How do I know if my speed sensor is bad How many volts should a speed sensor have How do you test a passive sensor How to replace engine speed sensor Is the rpm sensor same as speed sensor. The best way to test these sensors is to view live data on a scanner. &0183;&32;Step 1 Locate and Remove the Connector. The sensor must have a good power supply and ground to operate. The ABS control unit reads the 4 wheel speed signals on separate inputs. A steady reading within this range indicates a good sensor. Vehicle Speed Sensor Testing Turn the ignition switch to the OFF position. 5 Kohms. Went to 3 Auto parts with my meter. Loose or disconnected wires. Step 6. Depending on the vehicle year, make and model, a speed sensor can cost as little as 7. Accord with V6 3. As before, connect the red probe to the wire going to the sensor, and connect the black probe to the ground wire going to the sensor. I say sensors in plural since most transmissions utilize an input and output speed sensor, . Sensors flying off of their shaft entirely. The VSS sensor also sends signal to the ABS module. GET 30 OFF EVERYTHING. The external sensor assemblies include a Viton O-ring with blue Teflon coating. Two, how does an ohm reading out of the range impact the speedometer, tach, and transmission control module Thanks for any suggestions. How many ohms should a speed sensor read between 1,000 and 2,500 ohms The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. Show results from. The input speed sensor is a hall switch. Please keep in mind when setting up and reading the meter that "K" means thousands of Ohms. How many ohms should a speed sensor read The specification for active sensors is between 1,000 and 2,500 ohms, while the typical reading for a passive wheel speed sensor ranges between 1,000 and 2,500 ohms. 5 and 3. This is a normal range for all passive sensors. This is a normal range for all passive sensors. How do I know if my speed sensor is bad. The P0845 code is detected with an abnormal voltage reading from the transmission fluid pressure sensor circuit alerts the PCM. TEHCM Speed Sensor Testing You can test the speed sensors in. How do you test a 3-wire pressure sensor. 1999 Concours with ABS and traction control (TC) lights on. If the circuit impedance is less than that recommended by your user manual, then add an appropriate amount of resistance to the circuit. Many trucks have the harness abraded where it goes over the frame just behind the . All rear sensors 1600-2300 ohms. On a passive ABS sensor, measuring resistance across the signal and ground leads generally produces a reading of 800-2000 ohms. &0183;&32;The resistance specs will vary depending on the application, but most sensors should read 450 to 2200 ohms (always look up the exact specifications because they can vary a great deal from one vehicle application. Verify that the wires from the input or output shaft speed. Measure the resistance across the sensor itself if it has too much resistance. Category automotive auto safety technologies. May 25, 2010 So, I did a check on all 3 of my ABS sensors with an ohm meter. A vehicle speed sensor, or VSS, is a sensor that is used to determine how fast your vehicle is traveling. The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. AC Voltage With the meter set to AC voltage, spin the wheel by hand. This is a normal range for all passive sensors. The DIY cost for replacing a speed sensor is the cost of the sensor. With the meter set to AC voltage, spin the wheel by hand. Many sensors that use communication protocols require a minimum of 150 to 180, so choose the Ohm value on the multimeter that is closest to, yet bigger than, 200. 8K subscribers Subscribe 567 Share 130K views 4 years ago 1998 Nissan Frontier 5 speed manual transmission Show more Show more How to Test a. Code reading p0722, was told there was a recall for the output speed sensor (oss) and I need to check into it. The specification for active sensors is between 1,000 and 2,500 ohms. How many ohms should a speed sensor read The specification for active sensors is between 1,000 and 2,500 ohms, while the typical reading for a passive wheel speed sensor ranges between 1,000 and 2,500 ohms. This is a normal range for all passive sensors. Hyundai Sonata Air Charge Temperature Sensor. Speed Sensors The Engine Speed Sensor monitors the protrusions (dimples) on the torque converter. Figure 7. The other test is with a scan tool. A steady reading within this range indicates a good sensor. Log In My Account np. This checks the sensor circuit for proper resistance, which is 900 to 2,500 ohms. In other cars, the sensor could be installed at the transmission bell housing, or in the engine cylinder block, as in the photo below. Buy NowNew Speed Sensor from 1AAuto. If ohmmeter does not read zero ohms, check grounds for an open circuit. In non ABS fitted cars, vehicle speed sensor is nothing but the transmission output shaft speed sensor. Depending on the vehicle year, make and model, a speed sensor can cost as little as 7. How to test Vehicle Speed Sensor Auto Resource 41. A steady reading within this . ie infinite resistance. Camshaft position sensor resistance test Set your multimeter to Ohms and touch your meter leads to the sensor terminal pins. Jim N new echo owner. Connect the black lead of the meter to the body of the cold sensorcold sensor. Possible misfire-like symptoms. Using a Digital Volt-Ohmmeter (DVOM), measure the resistance (ohmmeter function) between the sensor terminals. &0183;&32;How many ohms should a transmission speed sensor read The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. Many sensors that use communication protocols require a minimum of 150 to 180, so choose the Ohm value on the multimeter that is closest to, yet bigger than, 200. 1999 Concours with ABS and traction control (TC) lights on. Using a Digital Volt-Ohmmeter (DVOM), measure the resistance (ohmmeter function) between the sensor terminals. How is a multimeter used to check for proper wheel speed sensor operation. Connect the VSS to a power drill so you can simulate the rotation of the vehicles transmission and read the multimeter to see if the voltage increases as the speed increases to check if the sensor is working properly. I then checked the speed sensor on the differential and found its ohm reading to be 1280 ohms versus the 300 - 600 ohm range. I have ordered a new wheel speed sensor. AL200449 OUTPUT SPEED SENSOR - STRAIGHT CONNECTOR - - AL200449 - - Allison Transmission has introduced redesigned speed sensors on all 3000 & 4000 Product Families Transmissions. Paccar MX13 Sensor. 4x2 front sensors 1800-2200 ohms. A bad oxygen sensor can affect the mixture greatly. The TCM uses this sensor to monitor the temperature of the transmission fluid. If the circuit impedance is less than that recommended by your user manual, then add an appropriate amount of resistance to the circuit. " See this thread, and download the 94ABS960 file. The specification for active sensors is between 1,000 and 2,500 ohms. my ABS kicks in all the time when going slow, less than 5MPH. A little bit higher or lower could mean the sensor is stuck or detached, so measure to the nearest 0. Said it would take one to 1. The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. Transmission Output Speed Sensor (TOSS). If this sensor is not functioning correctly, the transmission control module can choose the wrong gear at the appropriate time, causing the transmission to slip. Just plug in the device, choose the car model and select diagnose ABS and it will show fault codes describing which speed sensor failed. Many sensors that use communication protocols require a minimum of 150 to 180, so choose the Ohm value on the multimeter that is closest to, yet bigger than, 200. As described, this sensor is used to monitor the speed of the transmission&39;s input shaft. As described, this sensor is used to monitor the speed of the transmissions input shaft. Therefore, a failing speed sensor will have a direct impact on automatic transmission operation. Sensors flying off of their shaft entirely. The DIY cost for replacing a speed sensor is the cost of the sensor. In Stock. This is a. Transmission Output Speed Sensor (TOSS). This is a normal range for all passive sensors. 8 ene 2022. Speedometer shows incorrect or erratic readings. Car is in excellent condition, driven lightly and no way transmission should need to be replaced at 39,000 miles. Throttle Position (TP) Sensor. The gap between the engine speed sensor and the converter dimples is approximately 0. Cracks in the housing of the sensor. When a solenoid opens or closes, it changes the pressure within the transmission, allowing your car to change gears. In other cars, the sensor could be installed at the transmission bell housing, or in the engine cylinder block, as in the photo below. Hyundai Sonata Coolant Temperature Sensor. we need to check the car manual for anti-lock brake resistance. Depending on the vehicle year, make and model, a speed sensor can cost as little as 7. Sensors flying off of their shaft entirely. Fault codes should be cleared each time the transmission is serviced. rooms for rent with private bathroom and entrance, renta de cuarto
How to test Vehicle Speed Sensor Auto Resource 41. . How many ohms should a transmission speed sensor read
Search articles by subject, keyword or author. The sensor&x27;s output signal should increase smoothly between 1. How many ohms should a transmission speed sensor read. The ABS speed sensor in the rear diff should read about 1. my ABS kicks in all the time when going slow, less than 5MPH. Remove each wheel one at a time. How many ohms should a speed sensor read between 1,000 and 2,500 ohms The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. How many ohms should a speed sensor read between 1,000 and 2,500 ohms The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. 26 abr 2021. What Can Go Wrong A transmission speed sensor can malfunction for a variety of reasons Corrosion of the component Loose or disconnected wires. Oct 11, 2012. Get FREE Auto Repair Tips 10 OFF on CarParts. How many ohms should a speed sensor read between 1,000 and 2,500 ohms The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. The reading on the ohms meter should be between 980 and 2350 ohms. Measure the resistance across the sensor itself if it has too much resistance. Hyundai Sonata Camshaft Position Sensor. Connect the VSS to a power drill so you can simulate the rotation of the vehicle&39;s transmission and read the multimeter to see if the voltage increases as the . Your sensor should be able to read some resistance. How many ohms should a transmission speed sensor read The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. If the resistance is constantly changing or increasing on the meter, the sensor is faulty. For most vehicles, the cost for a speed sensor is between 25. A wheel speed sensor is an electronic device that measures the rotational speed of a. This is when you would want to test your 2 or 3 wire speed sensor, as faulty units can also cause these issues. Bad VSS- More often than not, when P0500 is thrown, replacing the Vehicle Speed Sensor will remedy the problem. 4 mar 2022. This is when you would want to test your 2 or 3 wire speed sensor, as faulty units can also cause these issues. 85 (6,401 Views. How to Replace an ABS Sensor Removal and Installation - In The Garage with CarParts. The other test is with a scan tool. &0183;&32;Step 1 Locate and Remove the Connector. The 3 wire speed sensor is externally powered, so you will need a power source of some form. My thinking is I have a bad sensor, or one that is going bad, any thought or advise from you boat Techs. Further guidance. 4 mar 2022. Aug 11, 2022 How many ohms should a speed sensor read The specification for active sensors is between 1,000 and 2,500 ohms, while the typical reading for a passive wheel speed sensor ranges between 1,000 and 2,500 ohms. don98s90 wrote 1998 S90. For most vehicles, the cost for a speed sensor is between 25. 11-06-2016, 0821 PM. A faulty vehicle speed sensor can cause other issues besides just the engine performance. The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. The front sensors both read about 450 ohms, but there 125 each. Said it would take one to 1. What Can Go Wrong A transmission speed sensor can malfunction for a variety of reasons Corrosion of the component Loose or disconnected wires. a normal range for all passive sensors. I have ordered a new wheel speed sensor. Check Engine light is on. Using a Digital Volt-Ohmmeter (DVOM), measure the resistance (ohmmeter function) between the sensor terminals. The external sensor assemblies include a Viton O-ring with blue Teflon coating. Wheel speed sensors provide wheel and road speed feedback to ABS and derivative active vehicle safety systems (i. Lower your car. Shaft Speed Sensor Fault. Solenoids are electro-hydraulic valves that control one or more gears depending on the transmission and build of the car. Oct 11, 2003 ABS Sensor restistance (Ohms) - elekie&ac doctor. Digital voltmeters are designed to read a 60 hz sine wave on the AC scale. Therefore, a failing speed sensor will have a direct impact on automatic transmission operation. If the resistance is 190250 ohms, the sensor is okay. YourMechanics technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. There are three speed sensors on an &39;06, one on the rear diff, and one on each front hub. May 5, 2020 5 Common Bad Speed Sensor Symptoms Transmission problems. &0183;&32;A wheel speed sensor and circuit will usually have a resistance of 800 to 1400 ohms. How many ohms should a speed sensor read The specification for active sensors is between 1,000 and 2,500 ohms, while the typical reading for a passive wheel speed sensor ranges between 1,000 and 2,500 ohms. Figure 7. Apr 29, 2022 On a passive ABS sensor, measuring resistance across the signal and ground leads generally produces a reading of 800-2000 ohms. Just plug in the device, choose the car model and select diagnose ABS and it will show fault codes describing which speed sensor failed. How many ohms should a vehicle speed sensor have for a passive wheel speed sensor is between 1,000 and 2,500 ohms. The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. The specification for active sensors is between 1,000 and 2,500 ohms. Many sensors that use communication protocols require a minimum of 150 to 180, so choose the Ohm value on the multimeter that is closest to, yet bigger than, 200. If so, proceed to step 8. Show results from. This is a normal range for all passive sensors. When measured across the connector two terminals, the resistance should be 4x4 front sensor 893-1208 ohms. adam warren, Master auto tec Category Transmissions Satisfied Customers 235 Experience auto tec at queen city metal Verified agreed check the speed sensor wires for open or shorted wires Locate the Vehicle Speed Sensor (VSS) on the transmission and verify the 2 wire connector is plugged in. Step 5. You should have a reading of approximately 2000 ohms. Transmission Location Chrysler AMC 404, 413, 470 Line nearest pump A4LD Top If you are installing your transmission that was purchased from Monster. This is a normal range for all passive sensors. The output shaft speed sensor should gradually rise from 0 RPM as the vehicle speed is increased. This one was 15. The front sensors both read about 450 ohms, but there 125 each. Measure the resistance across the sensor itself if it has too much resistance. Step 6. No GO to G7. This is a normal range for all passive sensors. 5 Kohms. Measure resistance between engine speed sensor . I have ordered a new wheel speed sensor. This is a normal range for all passive sensors. Symptoms of faulty speed sensors can result in a damaged battery coil pack, faulty throttle position sensor, and other sensor issues, resulting in a lack of communication between parts. This one was 15. If your vehicles speedometer stops working or isnt telling you the correct speed that youre traveling, you likely have a faulty VSS. KYf oal qgmj keYjl hgf Yf&92; ZggceYjc. NEW - Coolant Level Sensor Kenworth. Feb 18, 2011 There are two tests that you can do that will help identify a bad sensor. The other test is with a scan tool. How many ohms should a transmission speed sensor read The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. So, I did a check on all 3 of my ABS sensors with an ohm meter. This reading should be between 700 and 3000 ohms. The gearbox shifts approximately. &0183;&32;How many ohms should a speed sensor read How do I know if my speed sensor is bad How many volts should a speed sensor have How do you test a passive sensor How to replace engine speed sensor Is the rpm sensor same as speed sensor. Code 68 will set if the ECM detects a difference in the engine speed and the transmission input speed. Loose or disconnected wires. How do you test a bad wheel speed sensor You can check the wires by setting the voltmeter to ohmsand testing each end of the wires going to. The specification for active sensors is between 1,000 and 2,500 ohms. This is a. These sensors work in tandem to send the powertrain control module (i. Now we can notice that the reading varies depending upon the speed of the spinning. If the frequency reading is unacceptable, you can perform an additional check of the circuit by turning the ignition off and switching the multimeter setting to ohms. How many ohms should a transmission speed sensor read The typical reading for a passive wheel speed sensor is between 1,000 and 2,500 ohms. The specification for active sensors is between 1,000 and 2,500 ohms. The other test is with a scan tool. for a passive wheel speed sensor is between 1,000 and 2,500 ohms. What happens when a speed sensor is faulty. This O-ring is not serviced. " See this thread, and download the 94ABS960 file. The frequency reading should be about 667 hertz at 30 mph (48 kmh). Does anyone know how to checkout the input turbine speed sensor and the counter gear speed sensor located on top of the transmission. There are three possible sensor. A steady reading within this range indicates a good sensor. . mando lessons