Do you have to calibrate TPS sensor?
Once you have fitted a Throttle Position Sensor, or TPS, you will need to calibrate it from within MEITE. The signal on the chosen pin should sweep from approximately zero to five volts as you move the throttle from fully closed to fully open.
What are the DTC codes for the throttle position sensor?
TPS diagnostic trouble codes (DTC’s) stored in the vehicle’s computer’s memory. P0121: Throttle Position Sensor Performance. P0122: Throttle Position Sensor Circuit Low Voltage. P0123: Throttle Position Sensor Circuit High Voltage. Really bad gas mileage. Transmission does not shift out of second gear.
How to test the TPS sensor on a GM car?
In three simple test steps, you can find out if the TPS sensor on your GM car or pick up or SUV or Van is bad. You don’t need a scan tool, since all three of the tests explained in this article are done with a simple multimeter. Every test has step by step instructions that will make diagnosing the TPS on your GM vehicle a breeze.
What happens if you have a faulty throttle position sensor?
When accelerating your ride, a defective TPS can cause both jolting and an abrupt burst of speed. A faulty TPS also doesn’t know if the throttle is completely closed when your vehicle is idling.
How do you check the TPMS system on a car?
It is important check the TPMS system before working on a customer’s vehicle. Using a TPMS diagnostic tool, select the vehicle’s make, model and year manually – or for faster service, scan the vehicle’s VIN barcode located on the placard on the vehicle doorjamb to read the sensor information.
How to test a throttle position sensor ( TPS )?
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Where is the TPS located on a car?
The TPS is located on the passenger side of the throttle body. It tells the ECU how far open the butterfly in the throttle body is. If the TPS goes bad it can make the machine run erratically, or cause a hesitation at certain rpm’s.
When do you need to replace a TPS sensor?
If it has an abrupt jump or drop in voltage within a very small movement area, the sensor may be bad and needs to be replaced: and rotate the sensor until you reach .528 volts. Tighten the screw down and verify the voltage again, making sure that the butterfly is completely closed for that reading.
How to check the operation range of the TPS?
(4) Check the operation range of the TPS. Using the same probe connections as above, change your meter to the lowest setting that you have above 3.6 volts (this will be 12 volts on most meters). Keep in mind this is a very sensitive sensor and very slight movements will produce large changes.