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Home >> BMW >> 1988 >> 535is Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> MOTRONIC CEC System >> Testing >> Test 5: Idle Control Valve >> Idle Speed Acutator
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Idle Speed Acutator

With connector removed, use ohmmeter and measure resistance between the center terminal and each end terminal. Resistance should be approximatly 20 ohms.