Notes

Test TPs using a basic multimeter
Note: Only applicable to throw out plates that are mechanically operated)
Note: Not going to work on throttle plates that are electronically controlled

1st: Find your connector for your throttle, usually had 3 wires.
One is the ground wire,
the other one is the voltage supply wire from ECU which usually supply 5 volts,
last one is the signal returned wire, a voltage sent back to ECU by all position sensor
~The sensor works by receiving ground and voltage supply from ECU and alter the voltage based on the position of throttle plate and it send in a way a DC voltage back to ECU
~ Uses an information for adjusting ignition and fuel injectors and etc. to run the engine smoothly
2nd: Find the Voltage Supply and Sensor Signal Wire
~by opening or turning the key half when you are trying to open the engine then remove the connector
~then get the multimeter and put the setting to 20 volts DC
~grab one of the test leads then grab another one to test each wire for voltage
~the one that show the right amount of voltage for specifications will ne write down as the constant or as the voltage supply wire
+The black and white wire at the bottom goes to the lower pin on the throttle position sensor
3rd: Find the Ground Wire
* Note: Do no test a hot wire for Resistance *
+Turn the setting of multimeter to ounce
+Exclude the wire that was tested for voltage/ don't touch the lead to the tested wire
+Whereas you should test the other 2 wires for ground
+When there is a beep, that is where the ground wire

Note: If the first one is the Voltage Wire, the last one is the ground wire, then the middle one is the signal wire
~Signal wire- goes from position sensor back to ECU

4th: Check the Opposition Sensor for voltage output
~ Set the multimeter to DC voltage (approximately 20 volts)
~ Back probe the connector (you can have small cut onto two wires to make sure their not right next to each other)
-First is the ground connector and next is the signal connector
where supposed to have a voltage at idle that is being sent from the sensor to ECU that is usually less than 1 volt
-Open the throttle plate to wide open throttle that steadily increase the volt
- When you turn it back down or completely closed it should steadily decrease the volt
~If it is completely smoothly, it can be concluded that the sensor can supply voltage to the ECU