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Home >> Mazda >> 1991 >> RX-7 Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Idle Speed Control (ISC) System >> BAC Solenoid Valve
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BAC Solenoid Valve

  1. Disconnect solenoid valve connector. Using ohmmeter, check resistance between solenoid valve terminals. Resistance should be 10.7-12.3 ohms.
  2. Apply battery voltage and ground to valve terminals. Listen for operating sound from valve. Replace valve if resistance is not within specification or no operating sound exists.