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2007 kia rio speedometer help please
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nobleb6565
New User
Jun 22, 2012, 4:46 PM
Post #1 of 6
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2007 kia rio speedometer help please
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speedometer and odometer doesnt work , could pulling the memory fuse out then putting back in cause this ? or could it possibly be speed sensor? and where is the speed sensor located?
thank you
noble
(This post was edited by nobleb6565 on Jun 22, 2012, 4:48 PM)
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Discretesignals
Ultimate Carjunky
/ Moderator
Jun 22, 2012, 6:05 PM
Post #2 of 6
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Re: 2007 kia rio speedometer help please
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The speed sensor for the instrument cluster is on the transmission. It is a hall effect sensor that sends a digital square wave signal to the instrument cluster and the body control module for vehicle speed information. The signal from the sensor can also be accessed for diagnosis on PIN 6 of the data link connector.
If you were playing around with fuses, check the TCU fuse 10 amp in the I/P junction block. If the fuse is good, your going to have to do some circuit testing using a volt meter and check for signal output using either a graphing multimeter or an oscilloscope.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Jun 22, 2012, 7:15 PM)
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nobleb6565
New User
Jun 24, 2012, 7:18 AM
Post #3 of 6
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Re: 2007 kia rio speedometer help please
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thanks had a mechanic check sensor it seemed to be ok he hooked something up and my car was up on lift and he gunned my car and the dohickey he was holding said the speedo was registering speed could the speedo dial possibly be broke? i want to avoid taking to a kia dealer$$$$$$ could it be that because memory fuse was pulled the car needs reset? how do u reset it ?sorry just frustrated
thank you
noble
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Discretesignals
Ultimate Carjunky
/ Moderator
Jun 24, 2012, 8:21 AM
Post #4 of 6
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Re: 2007 kia rio speedometer help please
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Tell your mechanic that this vehicle uses the right wheel speed sensor as a vehicle speed input to the PCM.
The speed sensor on the transaxle is only used by the BCM and the instrument cluster. You need to check the output of the the hall effect sensor on the transaxle.
If he is in the PCM's engine data stream and he is seeing vehicle speed, he isn't checking the right sensor. Tell him to check out the speedometer wiring schematics and he'll understand.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Jun 24, 2012, 8:23 AM)
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nobleb6565
New User
Jun 24, 2012, 8:59 AM
Post #5 of 6
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Re: 2007 kia rio speedometer help please
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thanks so much for your time i wish you were right here to fix it haha
thanks again, i will pass info onto my mechanic
noble
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nobleb6565
New User
Jun 24, 2012, 9:35 AM
Post #6 of 6
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Re: 2007 kia rio speedometer help please
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omg you fixed it, my tcu fuse was missing!!!!!! i cant thank you enough!!!!!!!!
 noble
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