SOURCE: input/turbine speed sensor circuit
Your speed sensor, is located on top of the transaxle, near the starter. To access it, remove the battery, then remove the battery tray (4 10mm bolts). You will see wires coming from the lower oxygen sensor, and they snap into the bracket that holds the speed sensor in place. The actual speed sensor has a 2 wire clip on it, and is held in place by the bracket and a 10mm bolt.
SOURCE: I have a code p0715, which is the input turbine speed sensor
The input/turbine speed sensor has nothing to do with the turbo. It is transmission related and is a circuit malfunction. I am having the same problem and it causes my car to downshift into 3rd gear (computer's fail safe gear) on the highway. The sensor is located above the transmission housing, and doesn't require you to take apart the tranny. I am having trouble finding the part number for this and where to buy it. Any help would be nice.
SOURCE: Trouble code for Turbine Speed Sensor input shaft
You will need your transmission tested or checked out
The Turbine Sensor may be the one closest to the engine
and is any indication of input speed from the converter,
vs: the other trans sensors that are farther back on the case.
Now the issue is, can you get your hand between the floor pan
to change it,if it is bad.
SOURCE: Replaced input turbine/speed sensor---Did not fix
Is the sensor threaded or held in with a bolt.
SOURCE: how do i know when a input turbine speed sensor is bad?????
Hi there:
Make sure the TSS sensor connector is good. Since you replaced the engine it is possible the wires/pins in the connector are loose or bad. I have seen where the wires break inside the insulation at the connector.You could have a bad TSS sensor (200-400 ohms good), if you have a multi meter we can check the circuits too. I would check the connector and then clear the code , test drive and see if it comes back. The PCM uses this sensor to control shift patterns so a fault is stored in the PCM. P0715 is for a loss of TSS signal during operation.
we can check the continuity but that will only show if there is high
resistance. If there is a wire about to break(instead of 15 strands
connected 3 or 4) we need to load the circuit or wire. If we put 12
volts through the wires(disconnected from the sensor and PCM of course)
and we use a light bulb as a load if the wire is bad the bulb will be
dim. I would start with an ohm check of the sensor and a close
inspection of the connector.
We start with an ohm test on the
sensor and then continuity test the circuit. Then we load the circuit. I
have had the wires break as I disconnected the connector or tugged on
the wires at the connector.
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