Question about 2002 Kia Sedona

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Speed sensor whats the diffrence between input output speedometer sensor

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  • Kia Master
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Speedometer sensor measures axle(driveshaft) speed for your speedometer gauge.
Input speed sensor measures the speed of the input shaft of the transmission.
The output speed sensor measures the output shaft, the ECM compares these two signals to determine the amount of clutch slippage and adjusts parameters accordingly for optimal operation.

Posted on Feb 02, 2014

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  • Kia Master
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Input speed sensor monitors the input shaft of the transmission. The output speed sensor monitors the final drive of the transmission. Based on the values of each sensor the computer can confirm that the transmission is in the correct gear. The speedometer is usually driven by the output speed sensor.

Hope that helped!

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

Posted on Feb 02, 2014

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Posted on Jan 02, 2017

kevingsuzuki

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SOURCE: location of speed sensor in 2002 kia sedona

Mounted on transmission

Posted on Jan 25, 2010

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Related Questions:

1 Answer

1994 Dodge Shadow, Base, 2.5 engine, automatic trans has only one Speed Sensor. The output Sensor, the one that goes to the speedometer. is the only one on this car.


The 1994 Shadow came with a standard 3 speed automatic (A413), and with an optional 4 speed automatic (A604). If your shadow has the 3 speed, it has only one - the output sensor (VSS). Only if you have the 4 speed it does have both the output sensor and input sensor. The input sensor is about six inches to the left of the output sensor at the same level on the transmission.

Aug 12, 2017 | Dodge Cars & Trucks

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Replaced input and output speed sensors for erratic speedometer. Now the speedometer remains at 0. Anyone have a suggestion on what else could be wrong?


input and out put speed sensors tell the TCM and the ECM the difference between engine rpms and transmission input roms so that the correct gear ratio can be selected
A speedo sensor reads the out put shaft (drive line ) shaft and refers to road speed for speed and odometer readings and to calculate the fuel consumption rate
it is possible that you have replaced the wrong sensor
Talk with an accredited transmission specialist shop and have the problem diagnosed

Aug 10, 2015 | 2003 Dodge Neon

1 Answer

Won't shift out of 1st. I have already replaced the input and output speed sensors as well as the shift solenoid. Still wont shift out of 1st and speedometer still wont work but tack does.


your input output speed sensors check voltage at sensor check plug see if you have voted and ground and put more than likely there's no voltage or no gtound

If you need further help, reach me via phone at https://www.6ya.com/expert/james_9c1b039055413ffa

Mar 03, 2015 | 2002 Dodge Neon

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Were is speed censour located


the output speed sensor is located on the transmission. while standing in front of the vehicle and looking down at the transmission you will see two rubber hoses. under those hoses you will see the input speed sensor. if you look to the right of that sensor, and you may have to look from underneath the vehicle you will see another sensor that is identical to the input speed sensor. That is the output speed sensor. The output speed sensor is the one that shows how fast you are moving on the speedometer.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

Apr 05, 2013 | 2001 Chrysler Voyager

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Drive a 99 plymouth grand voyager expresso 3.3l flex fuel here is the problem. it has a rebuilt tranny that's less than 9mos old had the van one month drove fine now the first 20 minutes the...


The output shaft sensor is where the TCM gets its info. And what the speedometer runs off of. It is best to have a diagnostic ran on this first. But shooting from the hip, I would go for the output sensor.

Jul 03, 2011 | Plymouth Voyager Cars & Trucks

2 Answers

CANT FIND WHERE THE SPEED SENSOR IS NO MY 1995 OLDSMOBILE AURORA


hi , their is two different speed sensors on your vehicle one is the input speed sensor which is inside the transmission and the transmission will have to be removed to replace it the other one s the output speed sensor is located directly above the passenger side trans-axle shaft. your input sensor is the sensor which tells the transmission when to shift and the output speed sensor tells the speedometer what it should display and both those parts are fairly cheap they are around 15-25 dollars but just remember if your input speed sensor is bad it is gonna cost you a minimum of 1000 dollars to have a mechanic fix as the transmission needs to be removed hope this is what you needed

Jun 06, 2010 | 1995 Oldsmobile Aurora

1 Answer

Won't shift out of second gear


Seems to me its one of the speed sensors on the transmission. Their are two, an input speed sensor and an output speed sensor. Both are located at the front side of the trans. case above the solenoid pack, both look the same as each other and just screw into the case. If your getting a reading on the speedometer is the input sensor, if your not getting a reading on the speedometer its the output speed sensor (known as vehicle speed sensor).

May 04, 2010 | 2002 Dodge Caravan

1 Answer

Speedometer needle is on the wrong side of the pin, so the speedometer won't work. Can you help?


I am assuming you have a 4-speed transmission?
There are 2-speed sensor on the front of the transmission. Input and Output Speed Sensors.
They are level with each other, right above the top line of the Solenoid (wiring harness goes into this box-like assembly) The one that is closest to the Solenoid is the Input Sensor. The one (at the same level) towards the left side of the van is the Output sensor.
I believe a 1-in wrench will work, after you unplug the sensors. Torque going-on for both is 20 ft-lbs. Before replacing the sensors - you may remove the sensors and clean the metal particles off the interior tips of the sensors and reinstall and check operations. Start with removal, cleaning, replacing the Output Speed Sensor as the Speedometer Info is directly involved with this. If cleaning does not fix the problem then replace it and check operations, before replacing the Input Speed Sensor. This will save you money from replacing both sensor.
Let me know if this helped, or if you have additional information or questions. Feel free to contact me at fixya.com

Dec 21, 2009 | 2003 Chrysler Town & Country

1 Answer

Vehicle had a rough automatic transmission shift and erratic speedometer when vehicle warmed up. I've replaced both output and input speed sensors. Now the speedometer does not work and transmission won't...


Still sounds like a bad output speed sensor - check scan the TCM for codes and see what you get. Also check the wiring at and near the output speed sensor connector.

Jul 21, 2009 | Dodge Caravan Cars & Trucks

1 Answer

1991 Chrysler Imperial Problem


Your car has the A 604 transmission also called the 41TE,and it uses an input and output speed sensor mounted on the transmission.These speed sensors feed information to the Transmission Control Module (TCM) one of the vehicle's computers, which calculates vehicle speed,and sends a speed signal to the speedometer in the dash.It is a totally electric speedometer and odometer,no cable drive like old cars.So the first step would be to scan the vehicle's computers for diagnostic trouble codes,as a malfunctioning speed sensor can cause your symptoms,sometimes accompanied by no upshifting,or erratic shifting.All the components involved in the system have to be deemed good,or repaired if a component is found defective.With the scan tool,there is also a data stream available for viewing the systems while the engine is running and the car driving,to look for malfunctions.Within the data stream,i can look at the speed sensors individual outputs,and see what the computer is seeing as far as inputs and outputs.If the speed sensors check out ok,and are functioning properly,then the problem would likely be the instrument cluster,including the speedometer in the dash.But other components have to be verified good before drawing conclusions.

Aug 31, 2008 | 1993 Chrysler Imperial

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