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Home >> Suzuki >> 1990 >> Sidekick JS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Idle Control System >> Idle Speed Control (ISC) Solenoid (Samurai, Swift)
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Idle Speed Control (ISC) Solenoid (Samurai, Swift)

  1. Turn ignition off. Disconnect electrical connector from ISC solenoid. The ISC solenoid is located on right side of engine, near valve cover.
  2. Using ohmmeter, check resistance between ISC solenoid terminals. Resistance should be 30-33 ohms. Replace ISC solenoid if defective.
  3. Warm engine to normal operating temperature. With running and electrical connector removed from ISC solenoid, disconnect ISC solenoid hose from lower port on ISC solenoid.
  4. No air should be drawn into the hose. Connect battery voltage to ISC solenoid terminals. Air should now be drawn into the hose. Replace ISC solenoid if defective. Reinstall hose.
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