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Home >> Eagle >> 1991 >> Summit ES, 2D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Engine Sensors & Switches >> Throttle Position Sensor
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Throttle Position Sensor

  1. TPS is mounted to throttle body, at end of throttle shaft. Disconnect TPS connector. See Fig 1 . Using ohmmeter, measure total resistance between TPS connector terminals as specified in TPS CONNECTOR TERMINAL IDENTIFICATION  table. If resistance is not 3500-6500 ohms, replace TPS.
  2. Using an analog (needle-type) ohmmeter, measure variable resistance between TPS connector terminals as specified in TPS CONNECTOR TERMINAL IDENTIFICATION  table.
  3. Operate throttle valve from closed to wide open throttle. If rate of resistance does not change smoothly within 3500-6500 ohms throughout range of throttle valve movement, replace TPS.
    Fig 1: TPS Sensor Connector Terminal ID (Except Colt Vista)
    G91F11838Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 2: TPS Sensor Connector Terminal ID (Colt Vista)
    G91A11841Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    TPS CONNECTOR TERMINAL IDENTIFICATION

    Application Terminal Numbers
    Total Resistance
    Colt Vista 1 & 2
    All Others 1 & 4
    Variable Resistance
    Colt Vista 2 & 3
    All Others 2 & 4
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