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Home >> Toyota >> 1990 >> Tercel Base, 2D Coupe, Standard >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Carburetor R & I/Overhaul (Tercel) >> Reassembly & Adjustments >> Throttle Position Switch
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Throttle Position Switch

Connect an ohmmeter between the connector and switch body. With the throttle valve fully open, check for continuity. See Figure. Slowly return throttle valve to fully closed.

At the point where there is continuity, measure the throttle valve angle. The angle should be 11.5 degrees from horizontal plane. If not, adjust throttle position adjusting screw.