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Using Voltmeter

  1. Disconnect the APS connector.
  2. Check the continuity between terminal 4 and sensor ground.
    APS SPECIFICATIONS

    TPS voltage Continuity
    Higher than 300~900mV Non-conductive (Infinity Ω)
    300~900mV Conductive (0Ω)
  3. If out of specification, replace the throttle position sensor.
    Fig 1: Checking Continuity Between Terminal 4 And Sensor Ground
    G03845325Courtesy of HYUNDAI MOTOR CO.
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