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Home >> BMW >> 1990 >> 325is Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Testing >> Throttle Switches
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Throttle Switches

At 52 and ground, with the throttle closed there should be continuity. At 52 and ground, open throttle slowly to the half-open position there should be no continuity, then switch to 53 and ground and throttle fully open there should be continuity.