Checking the resistance values with an Ohm meter.
01-09-02, 05:35 PM
#1
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Checking the resistance values with an Ohm meter.
At http://home.rmci.net/panther/tps.htm it says:
"STEP 2) Check the resistance values with an Ohm meter. (These values are from the 86-88 Mazda shop manual, they may be different for 89-91 cars) Disconnect the plug from the TPS sensor itself. Hold the plug with the single electrode on top, and the two electrodes at the bottom. Connect the Ohm meter to the top electrode and the bottom right electrode.
At idle you should see ~ 1k Ohm
At WOT ~ 4-6K Ohm.
If not, then replace your TPS."
But what does WOT mean?
"STEP 2) Check the resistance values with an Ohm meter. (These values are from the 86-88 Mazda shop manual, they may be different for 89-91 cars) Disconnect the plug from the TPS sensor itself. Hold the plug with the single electrode on top, and the two electrodes at the bottom. Connect the Ohm meter to the top electrode and the bottom right electrode.
At idle you should see ~ 1k Ohm
At WOT ~ 4-6K Ohm.
If not, then replace your TPS."
But what does WOT mean?
Thanks!
01-09-02, 06:42 PM
#7
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When the throttle is depressed, it moves a linkage on the front of the throttle body. Its the linkage that has the TPS screw on it. When you move it manually by hand(instead of being in your car with the accelerator floored) you can see the TPS plunger moving in and out. The plunger. The plunger turns a potentiometer that changes the value of resistance on the disconnected plug. So it shouldn't matter that the TPS is disconnected.
Last edited by SpeedRacer; 01-09-02 at 06:47 PM.
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