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Home >> Hyundai >> 1991 >> Excel GLS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Engine Sensors & Switches >> Idle Switch (3.0L)
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Idle Switch (3.0L)

  1. Idle switch contacts are part of TPS switch. Disconnect TPS sensor connector. Check for continuity between terminal No. 1 (Yellow/Red wire) and ground. See Fig 1 .
  2. With accelerator pedal released, continuity should exist. With accelerator depressed, no continuity should exist. If continuity is not correct, replace idle switch.
Fig 1: Checking Idle Switch (3.0L)
G91A16618Courtesy of HYUNDAI MOTOR CO.
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